Fabspeed European Pre-Muffler Catbypass Pipe with Gaskets

Features: _x000B_ _x000B_Fits: All 964 C2/C4/RS America products 1989-1994 _x000B_ Copper gaskets included. _x000B_ +12HP & more torque. _x000B_ High Quality T304 Stainless steel mirror polished showcar shine _x000B_ O2 sensor bung so your 964 fuel injection system can automatically adjust mixture/idle/part throttle for maximum performance. _x000B_ Just like Porsche factory German catbypass Euro-premuffler but without the $700.00 price. _x000B_ LOOKS like a stock catalytic converter--best way to pass a visual exam inspection but the system straight "see through" with an internal muffler inside. _x000B_ Simple and easy bolt on installation. _x000B_ Quieter and more durable than a mild steel straight pipe yet you can still roll a golf ball thru the Fabspeed pipe! _x000B_ Catbypass & Fabspeed sport exhaust makes more horsepower than virtually any aftermarket exhaust system. _x000B_ Best PROVEN performance value on the market.