Fabspeed Porsche 997 Carrera Muffler Bypass Pipes (2005-2008) Vehicle Model/Trim:997 Carrera 4HP and 31

4HP and 31

and turbo sound without a check engine light or noxious fumes

Improves horsepower and torque by 12 whp and 15 ft-lbs

7 lbs vs 25 lbs factory)+ No check engine light on North American cars

Maximize the performance of your Ferrari with this essential upgrade

Fabspeed Porsche 997 Carrera Muffler Bypass Pipes (2005-2008) Vehicle Model/Trim:997 Carrera 4HP and 31Lighten the rear of the vehicle while adding aggressive sound by replacing the heavy factory mufflers with straight through tubes. The pipes completely replace the factory mufflers and retain the stock Porsche tips. SOUND: If you're looking for maximum sound and performance, you've found it! This is a very loud and aggressive exhaust system. Expect ripping sports car sound from your flat 6, at the cost of some interior drone. If you are looking for a