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clearance items gifts, clothing and books wheels and tires performance audio and electronics tools, manuals and fluids car care and detail clutch, transmission and drive line suspension and steering aerodynamics brakes lighting exterior interior exhaust under the hood Looking for BMW parts or MINI parts? You've found our BMW Billy Boat Triflo performance exhaust page.

Order online or by phone at 800-535-2002. Developed by Indycar driver Billy Boat and his team at B&B Fabrication, these systems use a multi-chambered, free-flow design to dramatically improve the flow of exhaust and reduce backpressure. This allows your BMW's engine to run more freely, producing a measurable boost in horsepower. Stainless steel construction. Limited lifetime warranty. You might have been searching for B&B Tri-flo - triflow - tri-flow tri flo.
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Please select the year, then the model of the BMW or MINI you are shopping for.

Year: Model:

................................................................................................................
Select Year and Model above to startBilly Boat Performance Mufflers (includes left and right mufflers)
Fits BMW : M5
13 hp Gain! more info...
Part #: BBM5E60 ( BBM5E60 ) $ 1695.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Mufflers (includes left and right mufflers)
Fits BMW : M6 / M6 Convertible
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BBM6E63 ( BBM6E63 ) $ 1355.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Mufflers - Touring Sound
Fits BMW : 335i Convertible / 335i Coupe / 335i Sedan / 335is Convertible / 335is Coupe / 335Xi Coupe / 335Xi Sedan
Reduced backpressure gives your BMW an instant horsepower boost! The stock BMW muffler ...more info...
Part #: BB335E90T ( BB335E90T ) $ 1304.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Quad 3" round double-wall tips
Fits BMW : M5
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BBM5E39D ( BBM5E39D ) $ 1292.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - quad 3" round tips
Fits BMW : M5
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BBM5E39K ( BBM5E39K ) $ 1159.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust - quad 3" round tips
Fits BMW : M5
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BBM5E39 ( BBM5E39 ) $ 1156.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - 4" single tips (one for each muffler)
Fits BMW : X5 3.0i / X5 4.4i / X5 4.6is
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BBX5 ( BBX5 ) $ 1156.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - quad 2.5" round tips
Fits BMW : M Coupe / M Roadster
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BBZ3M ( BBZ3M ) $ 1156.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Quad 3" Elliptical Tips
Fits BMW : M3 / M3 Convertible
Click to hear it ! more info...
Part #: BBM346 ( BBM346 ) $ 1156.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Quad 3" elliptical double-wall tips
Fits BMW : M3 / M3 Convertible
Click to hear it ! more info...
Part #: BBM346D ( BBM346D ) $ 1156.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : M5 / M6
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BBM528D ( BBM528D ) $ 1028.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 635csi
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB63589D ( BB63589D ) $ 1028.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 735i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB735E32D ( BB735E32D ) $ 1028.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 750iL
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB750E32D ( BB750E32D ) $ 1028.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Dual 3" double-wall tips
Fits BMW : Mini Cooper S / Mini Cooper S Convt
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BBMINISD ( BBMINISD ) $ 1028.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : M5
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BBM534D ( BBM534D ) $ 1028.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : 750iL
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB750E32 ( BB750E32 ) $ 1012.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : 635csi
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB63589 ( BB63589 ) $ 1012.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : 530i / 530i Wagon
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB530E34 ( BB530E34 ) $ 974.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : 535i / 535is / 635csi
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB53528 ( BB53528 ) $ 974.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" round tips
Fits BMW : 325e / 325es
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB325E30 ( BB325E30 ) $ 974.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" Elliptical Tips
Fits BMW : Mini Cooper S
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BBMINIS ( BBMINIS ) $ 966.95Select Year and Model above to start

no imageBilly Boat Performance Exhaust System - Twin Round DTM tips
Fits BMW : Mini Cooper S
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BBMINISDTM ( BBMINISDTM ) $ 964.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 530i / 530i Wagon
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB530E34D ( BB530E34D ) $ 959.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 540i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB540E34D ( BB540E34D ) $ 959.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 535i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB53534D ( BB53534D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 535i / 535is / 635csi
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB53528D ( BB53528D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 525i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB52550D ( BB52550D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 525i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB52534D ( BB52534D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3.5" double-wall tips
Fits BMW : 325ix
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB325IXE30D ( BB325IXE30D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 328i / 328i Convertible / 328is
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB32836D ( BB32836D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 325e / 325es
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB325E30D ( BB325E30D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 325i Convertible
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB325IC30D ( BB325IC30D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 325e / 325es / 325i / 325is
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB32530D ( BB32530D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall round tips
Fits BMW : 325i / 325i Convertible / 325is
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB32536D ( BB32536D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single 3" double-wall round tip
Fits BMW : 318i / 318i Convertible / 318is
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB318IS30D ( BB318IS30D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : M3 / M3 Convertible
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BBM336D ( BBM336D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : M3
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BBM330D ( BBM330D ) $ 939.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Mufflers - Sport Sound
Fits BMW : 335i Convertible / 335i Coupe / 335i Sedan / 335is Convertible / 335is Coupe / 335Xi Coupe / 335Xi Sedan
Reduced backpressure gives your BMW an instant horsepower boost! The stock BMW muffler ...more info...
Part #: BB335E90S ( BB335E90S ) $ 930.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" round tips
Fits BMW : 525i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB52534 ( BB52534 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" round tips
Fits BMW : 328i / 328i Convertible / 328is
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB32836 ( BB32836 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" round tips
Fits BMW : 325i Convertible
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB325IC30 ( BB325IC30 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" round tips
Fits BMW : 525i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB52550 ( BB52550 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : 535i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB53534 ( BB53534 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : 540i
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB540E34 ( BB540E34 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : 630csi
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB630 ( BB630 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single 3" round tip
Fits BMW : 318i / 318i Convertible / 318is
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB318IS30 ( BB318IS30 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" round tips
Fits BMW : 325e / 325es / 325i / 325is
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB32530 ( BB32530 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" round tips
Fits BMW : 325ix
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB325IXE30 ( BB325IXE30 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" round tips
Fits BMW : 325i / 325i Convertible / 325is
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB32536 ( BB32536 ) $ 924.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : M5 / M6
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BBM528 ( BBM528 ) $ 920.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : M5
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BBM534 ( BBM534 ) $ 920.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single 3" double-wall round tip
Fits BMW : 318i / 318i Convertible / 318is
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB31836D ( BB31836D ) $ 910.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single 3" Tip
Fits BMW : 318i / 318i Convertible / 318is
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB31836 ( BB31836 ) $ 896.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single 3" Tip
Fits BMW : 318i
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB31830 ( BB31830 ) $ 896.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System with twin 3.5" Tips
Fits BMW : 545i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB545E60 ( BB545E60 ) $ 896.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3.5" double wall tips
Fits BMW : 525i / 525Xi / 528i / 528i xDrive / 528Xi / 530i / 530Xi
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB530E60 ( BB530E60 ) $ 896.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : 735i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB735E23 ( BB735E23 ) $ 854.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : M3
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BBM330 ( BBM330 ) $ 840.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : M3 / M3 Convertible
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BBM336 ( BBM336 ) $ 840.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single 3" double-wall round tip
Fits BMW : 318ti
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB318TID ( BB318TID ) $ 822.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single 3" Round Tip
Fits BMW : 318ti
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB318TI ( BB318TI ) $ 809.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single Tip -
Fits BMW : 540i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB540E39 ( BB540E39 ) $ 794.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 325ci / 325ci convertible / 325i / 325i wagon
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB325E46D ( BB325E46D ) $ 779.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : 325ci / 325ci convertible / 325i / 325i wagon
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB325E46K ( BB325E46K ) $ 776.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System
Fits BMW : 525i / 528i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB528I39K ( BB528I39K ) $ 776.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Twin 3" double-wall tips
Fits BMW : 330Ci / 330i / 330xi
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB330E46D ( BB330E46D ) $ 776.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - with twin 3" round tips
Fits BMW : 330Ci / 330i / 330xi
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB330E46K ( BB330E46K ) $ 776.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust - with twin 3" round tips
Fits BMW : 330Ci / 330i / 330xi
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB330E46 ( BB330E46 ) $ 763.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust
Fits BMW : 525i / 528i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB528I39 ( BB528I39 ) $ 763.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - twin 3" round tips
Fits BMW : 325ci / 325ci convertible / 325i / 325i wagon
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB325E46 ( BB325E46 ) $ 763.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance X-Pipe (center resonator)
Fits BMW : 335i Convertible / 335i Coupe / 335is Convertible / 335is Coupe / 335Xi Coupe
Part #: BB335E90X ( BB335E90X ) $ 743.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System
Fits BMW : Z4 3.0i
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BBZ430 ( BBZ430 ) $ 694.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single 4.5" oval tip
Fits BMW : 328Ci / 328i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB32846K ( BB32846K ) $ 657.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single 4.5" double-wall tip
Fits BMW : 323Ci / 323i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB32346D ( BB32346D ) $ 657.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust System - Single 4.5" Oval Tip
Fits BMW : 323Ci / 323i
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB32346K ( BB32346K ) $ 657.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust - Single 4.5" Oval Tip
Fits BMW : 323Ci / 323i
Reduced backpressure gives your BMW an instant horsepower boost! Installing our Tri-Flo ...more info...
Part #: BB32346 ( BB32346 ) $ 647.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Exhaust - Single 4.5" oval tip
Fits BMW : 328Ci / 328i
Reduced backpressure gives your BMW an instant horsepower boost! The multi-chambered ...more info...
Part #: BB32846 ( BB32846 ) $ 647.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance X-Pipe (center resonator)
Fits BMW : M5
Part #: BBM5E60X ( BBM5E60X ) $ 573.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Performance Exhaust System Installation Kit
Fits BMW : 750iL / M5
Includes all the gaskets and hardware required to install your Tri-flo performance ...more info...
Part #: BBM534IK ( BBM534IK ) $ 46.95Select Year and Model above to start

Select Year and Model above to startPerformance Exhaust System Installation Kit
Fits BMW : 525i / 525i Wagon
Includes all the gaskets and hardware required to install your Tri-flo or Remus ...more info...
Part #: BB52534M50EIK ( BB52534M50EIK ) $ 44.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Performance Exhaust System Installation Kit
Fits BMW : 540i
Includes all the gaskets and hardware required to install your Tri-flo performance ...more info...
Part #: BB540E34EIK ( BB540E34EIK ) $ 42.95Select Year and Model above to start

Select Year and Model above to startMuffler Installation Kit - M42 engine
Fits BMW : 318ti
Part #: 318TI EIK M42 ( 318TIEIKM42 ) $ 41.95Select Year and Model above to start

Select Year and Model above to startMuffler Installation Kit - M44 engine
Fits BMW : 318ti
Part #: 318TI EIK M44 ( 318TIEIKM44 ) $ 41.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Performance Exhaust System Installation Kit
Fits BMW : M3 / M3 Convertible
Includes all the gaskets and hardware required to install your Tri-flo performance ...more info...
Part #: BBM346EIK ( BBM346EIK ) $ 36.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Performance Exhaust System Installation Kit
Fits BMW : 735i
Includes all the gaskets and hardware required to install your Tri-flo performance ...more info...
Part #: BB735E23EIK ( BB735E23EIK ) $ 34.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Performance Exhaust System Installation Kit
Fits BMW : 535i / 635csi / 735i
Includes all the gaskets and hardware required to install your Tri-flo performance ...more info...
Part #: BB53534EIK ( BB53534EIK ) $ 34.95Select Year and Model above to start

Select Year and Model above to startPerformance Exhaust System Installation Kit
Fits BMW : 525i
Includes all the gaskets and hardware required to install your Tri-flo or Remus ...more info...
Part #: BB52534EIK ( BB52534EIK ) $ 33.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Performance Exhaust System Installation Kit
Fits BMW : 530i / 530i Wagon
Includes all the gaskets and hardware required to install your Tri-flo performance ...more info...
Part #: BBM528EIK ( BBM528EIK ) $ 32.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Performance Exhaust System Installation Kit
Fits BMW : 318i / 318i Convertible / 318is
Includes all the gaskets, hangers and hardware required to install your Tri-flo ...more info...
Part #: BB318IS30EIK ( BB318IS30EIK ) $ 32.25Select Year and Model above to start

Select Year and Model above to startMuffler Installation Kit
Fits BMW : 535i / 535is / 635csi
Our Muffler installation kits include all the required gaskets, hangers, nuts and ...more info...
Part #: 535 EIK ( 535EIK ) $ 29.95Select Year and Model above to start

Select Year and Model above to startPerformance Exhaust System Installation Kit
Fits BMW : 325i / 325i Convertible / 325is / 325ix
Includes all the gaskets, hangers and hardware required to install your Tri-flo, Scorpion ...more info...
Part #: BB32530EIK ( BB32530EIK ) $ 29.95Select Year and Model above to start

Select Year and Model above to startMuffler Installation Kit - For Billy Boat Performance exhaust only
Fits BMW : M5 / M6
Part #: M5M6 EIK TRIFLO ( M5M6EIKTRIFLO ) $ 28.95Select Year and Model above to start

Select Year and Model above to startPerformance Exhaust System Installation Kit
Fits BMW : 325i / 325i Convertible / 325is / 328i / 328i Convertible / 328is / M3 / M3 Convertible
Includes all the gaskets and hardware required to install your Tri-flo or Scorpion ...more info...
Part #: BB32536EIK ( BB32536EIK ) $ 26.95Select Year and Model above to start

Select Year and Model above to startMuffler Installation Kit - M44 engine
Fits BMW : 318i / 318i Convertible / 318is
Part #: 318 EIK E36 M44 ( 318EIKE36M44 ) $ 24.95Select Year and Model above to start

Select Year and Model above to startMuffler Installation Kit - M42 engine
Fits BMW : 318i / 318i Convertible / 318is
Part #: 318 EIK E36 M42 ( 318EIKE36M42 ) $ 24.65Select Year and Model above to start

Select Year and Model above to startMuffler Installation Kit
Fits BMW : 528e
Our Muffler installation kits include all the required gaskets, hangers, nuts and ...more info...
Part #: 528E EIK ( 528EEIK ) $ 21.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Performance Exhaust System Installation Kit
Fits BMW : 325e / 325es
Includes all the gaskets and hardware required to install your Tri-flo performance ...more info...
Part #: BB325E30EIK ( BB325E30EIK ) $ 21.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Performance Exhaust System Installation Kit
Fits BMW : M3
Includes the hangers required to install your Tri-flo performance ...more info...
Part #: BBM330EIK ( BBM330EIK ) $ 15.95Select Year and Model above to start

Select Year and Model above to startExhaust Seal Ring - Genuine BMW
Fits BMW : M3 / M3 Convertible
Part #: 18 10 1 405 737 ( 18101405737 ) $ 13.95Select Year and Model above to start

Select Year and Model above to startBilly Boat Performance Performance Exhaust System Installation Kit
Fits BMW : 318i
Includes all the gaskets, hangers and hardware required to install your Tri-flo ...more info...
Part #: BB31830EIK ( BB31830EIK ) $ 12.95Select Year and Model above to start

Select Year and Model above to startExhaust Seal Ring
Fits BMW : M Coupe / M Roadster / M3 / M3 Convertible / Z4 M Coupe / Z4 M Roadster
Part #: 18 11 1 723 379 ( 18111723379 ) $ 10.95Select Year and Model above to start

   

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