Most Fabspeed products are built to order. Please allow 5–7 business days for production before your order ships. This timeframe does not include shipping transit time.

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 1989-1994
• Increases 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 durability
• Simple 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

Part number: FS.POR.964.PMB

All sales of Fabspeed products are final. These items are not eligible for return or exchange. Please verify compatibility and vehicle fitment before placing your order.