Audi A4 Cat/Test Pipes

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 Milltek High Flow Cat Audi A4 1.8T 95-01 

Model Number: SSXAU085   View Price

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Billy Boat Performance Exhaust developed a cat test pipe. This direct bolt on part eliminates the restrictive factory cat and not only increases horsepower and torque it reduces turbo lag and increase spool up.Features:Direct Bolt onEliminates Restrictive Factory CatIncreases Horsepower and TorqueReduces Turbo LagIncrease Spool UpFitment:Audi A4 2005-2008Note:These units are designed for off-highway racing only and should not be used on public roads.Pictures are used for marketing purposes only,...
  
  

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 Evolution Racewerks 2.0T Test Pipe Audi A4 B7 2.0T 05-08 

Model Number: AU-EXH002P   View Price

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 Random Technology Metalic Flow Catalytic Converters Audi A4 Turbo 1.8L 97-04 

Model Number: 141-25016   View Price

The CTS B8 A4/A5 2.0T test pipe is the premier test pipe for their Audi A4 or A5 2.0T. Their test pipe is designed to seamlessly fit in place of their restrictive stock catalytic converter, which is situated immediately after the turbocharger. Their test pipe features 3" stainless steel piping, smooth mandrel bends, two 02 sensor bungs with an option for a third. Substantial power gains, improved exhaust flow and a more throaty sound are the main benefits from installing their test pipe. Upo...
  
  

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Looking for that little extra power on the track? Billy Boat Performance Exhaust developed a cat test pipe for the A4 2.0T Avant. This direct bolt on part eliminates the restrictive factory cat and not only increases horsepower and torque it reduces turbo lag and increase spool up.THESE UNITS ARE DESIGNED FOR OFF-HIGHWAY RACING ONLY AND SHOULD NOT BE USED ON PUBLIC ROADSEach Billy Boat Performance Exhaust system incorporates 3 generations of fabrication skill and racing talent. Every system star...
  
 Milltek Full System High Flow Cat Audi A4 B7 2.0T 2WD | Quattro 05-08 

Model Number: SSXAU096   View Price

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 CTS Turbo Test Pipe Audi A4 B7 2.0T TFSI 05-08 

Model Number: CTS-EXH-TP-0003   View Price

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 Milltek Full System High Flow Cat Audi A4 B5| B6 1.8T 95-04 

Model Number: SSXAU085   View Price

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The CTS B6 A4 1.8T test pipe is the premier test pipe for their B6 Audi A4 1.8T. Their test pipe is designed to seamlessly fit in place of their restrictive stock catalytic converter, which is situated immediately after the turbocharger. Their test pipe features 3" stainless steel piping, smooth mandrel bends, two 02 sensor bungs with an option for a third. Substantial power gains, improved exhaust flow and a more throaty sound are the main benefits from installing their test pipe. Upon insp...
  
  

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