Muffler Bypass Pipes

These Muffler Bypass Pipes are brought to you by FabSpeed for your Porsche. All 911/911SC/911 Carrera products 1976-1989

+14HP Gain & more Torque

World's lightest, most powerful exhaust system available on the market

Fits all 911 cars worldwide 1975-1989. Complies with 50 state emissions

Maximum Power- more than ANY other Muffler/exhaust system.

Very aggressive 911 sports car sound.

Works with stock catalytic converter or our catbypass Pipe/European style-premuffler

Easy on and easy off installation- perfect for weekend Track Events

System comes with outlet pipe, clamp (not shown) and slip-on turndown

Saves up to 60lbs off the rear end of a 911

Eliminates all 911 Rear Mufflers cars worldwide.