Features:

Fits: all 964 c2/c4/rs america products 1989-1994
copper gaskets included.
+12hp & more torque.
high quality t304 stainless steel mirror polished showcar shine
o2 sensor bung so your 964 fuel injection system can automatically adjust mixture/idle/part throttle for maximum performance.
just like Porsche factory German catbypass euro-premuffler but without the $700.00 price.
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.
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.