Fabspeed Porsche 996 GT3 Muffler Bypass Pipes (1999-2005) Style:Default The CUP primary muffler bypass

The CUP primary muffler bypass pipes 100% improves sports car sound

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911/912/930 All - 1965-84

Available with clear anodized or black powdercoated bezels and several different colored straps

Alpinestars' ZX v4 Nomex Socks utilize a fire retardant

Fabspeed Porsche 996 GT3 Muffler Bypass Pipes (1999-2005) Style:Default The CUP primary muffler bypassLighten the rear of the vehicle while adding aggressive Supercup style sound by replacing the heavy factory mufflers with straight through tubes. SOUND: These muffler bypass's will make your GT3 a lot louder and more aggressive. Expect a deep growling tone with minimal cabin drone. POWER: On the dyno we saw gains of 11 whp and 7 ft lbs of tq. These gains are carried throughout the RPM band. FEATURES: Fits all Porsche 996 GT3 vehicles (1999 2005)