Fabspeed Porsche 996 GT3 Muffler Bypass Pipes (1999-2005) Muffler Bypass Pipes Less back pressure and improved

Less back pressure and improved throttle response versus the stock ancient 1970's catalytic converter technology

Cat Bypass (RACE) - This product removes the OEM catalytic converters from the vehicle

You must fill out and include a copy of the ECU Information form along with your ECU upon sending it in

When it comes to a high performance vehicle like the 996 GT3

Fabspeed Porsche 996 GT3 Muffler Bypass Pipes (1999-2005) Muffler Bypass Pipes Less back pressure and improvedHP: +11 TQ: +7 WT (lbs): 50 Lighten 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 (wheel horsepower) and 7 ft lbs of ft lbs of torque. These gains are carried throughout the RPM band.