Fabspeed Porsche 964 Carrera Primary Muffler Bypass Pipe (1989-1994)

A straight pipe replaces the heavy and restrictive factory Porsche OEM primary CENTER muffler and  with a Porsche Motorsports Carrera CUP style straight pipe. The CUP primary muffler bypass pipes 100% improves sports car sound,  significantly increases horsepower and redeuces weight from the best area to remove weight RIGHT behind the license plate. SOUND: All Porsche 964 coupes and cabriolets will be sportier and have a more aggressive Flat-Six sports car sound  than the stock muffler.  With the stock OEM Porsche 964 catalytic converter , a Primary muffler bypass pipe installed and the Stock 964 2ndary side rear muffler the car is 100% daily driveable BUT sporty flat six sound. A great additional upgrade is our 964 CUP aluminum airbox coverlid piece.  POWER: DYNO verified from Porsche and Fabspeed +12.5HP and 10 wheel horsepower - real world seat of your pants gain from this muffler bypass pipe system.  FEATURES: Fits all Porsche 964 C2, C4, RS America, Euro RS and Speedster vehicles 1989-1994Increases power by +12HP (10 horsepower to the wheels) and vastly improves throttle response Saves 25 lbs from the furthermost area of rear of the vehicle for much better handling. 100% cat-back complies with any and all emissions 50 state emissions laws and international emissions.A replica of the Porsche Motorsports 964 CUP primary muffler bypass pipe as used by Porsche in the 1990-1994 Carrera CUP race series that was a lead up Race in all European Formula 1 events. Constructed from high-quality 14-16ga CNC mandrel-bent T304L stainless steel for optimum flow and maximum durabilitySimple DIY bolt-on installation- reuse the 2 factory Porsche ball clamps and donuts. Fabspeed supplies all other hardware. All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty