FabSpeed

These European Pre-Muffler Catbypass Pipes are brought to you by FabSpeed for your Porsche. All 911/911SC/911 Carrera products 1976-1989 +11HP & more Torque High Quality T304 Stainless steel with polished show car mirror shine O2 sensor bung so your 911 fuel injection system can automatically adjust mixture/idle/part throttle for maximum performance. Just like Porsche factory German catbypass Euro-premuffler but without the $500.00 price. LOOKS like a stock catalytic converter--best way to pass a visual exam inspection. Simple and easy Bolt on installation Quieter and more durable than a mild steel straight pipe yet you can still roll a golf ball thru the Fabspeed pipe! Catbypass & Fabspeed sport exhaust makes more horsepower than virtually any aftermarket exhaust system. Best PROVEN performance value on the market. Get the POWER while controlling the sound.

All parts come unpainted. Professional help required.

Unpainted