Porsche Muffler Bypass Pipes - 911 | 1999-2004 PCG-901-016-40 Helpful tips are only recommendations

Helpful tips are only recommendations

Porsche Piston and cylinder set for 912 (1965-1969) models

For use with Engine Grille Lock Nut (74-91)

and Carrera 4 GTS models)

Porsche Radiator Fan Shroud for 911 (2006)

Porsche Muffler Bypass Pipes - 911 | 1999-2004 PCG-901-016-40 Helpful tips are only recommendationsPorsche Muffler Bypass Pipes For Porsche 996 GT3 (1999 2004) Models. Muffler Bypass Pipes for Porsche 996 GT3 Lighten the rear of your vehicle and achieve an aggressive Supercup style sound by replacing the heavy factory mufflers with these straight through tubes. SOUND: These muffler bypass pipes will significantly increase the volume and aggression of your GT3's exhaust note. Expect a deep, growling tone with minimal cabin drone. POWER: Dyno testing