AFE: MACH Force-Xp 2" to 2-1/2" 304 Stainless Steel Cat-Back Exhaust System Porsche Boxster S (987.1) 05-08 H6-3.4L gen v 1999-2006 Chevrolet Silverado 1500 (GMT800)

1999-2006 Chevrolet Silverado 1500 (GMT800) V8 5

Option 1 - Stock 90mm LS3 throttle body to be used solo or as a core for the  Southways 108mm throttle body found on here as well

2009-2014 Audi A5 B8

- Marine Grade Clamps

6L Gas 2011-2015 MINI Roadster S (R59) N18 Turbo L4 1

AFE: MACH Force-Xp 2" to 2-1/2" 304 Stainless Steel Cat-Back Exhaust System Porsche Boxster S (987.1) 05-08 H6-3.4L gen v 1999-2006 Chevrolet Silverado 1500 (GMT800)aFe is proud to introduce the aFe cat back exhaust system for the 2005 2012 Porsche Boxster S (987. 1 & 987. 2) with H6 3. 4L engine that uses the OE tip. In recent testing with the OE tip, this exhaust system resulted in a max gain of 22 horsepower and 30 lbs. x ft. of torque. aFe spent countless hours of R&D to develop the perfect balance of pure, race inspired performance and in cabin driving comfort and excitement of exhaust sound and tone during