Product details:

Increase horsepower, torque, and sporty exhaust sound by replacing the factory catalytic converters with high-flowing 200-cell hjs sportcats.

Features:

-fits all Porsche 997 Carrera vehicles (2005-2008)
-improves horsepower and torque by 18 whp and 22 ft-lbs
-saves 4 lbs from the rear of the vehicle
-x-pipe design includes integrated 200-cell hjs sport catalytic converters for maximum flow and efficiency
-constructed from t304l stainless steel tubing, mandrel-bent for accuracy and flow
-all fabspeed performance products are backed by the fabspeed lifetime limited warranty

Note: fabspeed s 200-cell high-flow catalytic converters are not c.a.r.b. Certified and are for off-road use only in the state of california