Integrated Engineering 3" Catted Down Pipe - Audi A4 B9/A5 F5 (2.0 TFSI) - Audi A4 B9/A5 F5 (2.0 TFSI) 911 and spool potential from your

and spool potential from your turbocharger investment

Relay Rating: 12V/40A SPDT

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preventing overheating of the air-charge post turbo

Integrated Engineering 3" Catted Down Pipe - Audi A4 B9/A5 F5 (2.0 TFSI) - Audi A4 B9/A5 F5 (2.0 TFSI) 911 and spool potential from yourUNLOCK STAGE 2 POWER: The IE B9 A4 & A5 Catted Downpipe is engineered to completely reduce turbocharger back pressure and increase turbo spool required for the calibrations of a stage 2 ECU tune. The combination of a performance downpipe and ECU tune together unlocks the full performance potential of your stock turbocharger and engine, delivering 97 horsepower over stock. Get ready to experience addictive power gains across the entire RPM range and an