European Pre-Muffler Catbypass Pipes

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.