Muffler Bypass Pipes

This Muffler Bypass Pipes is brought to you by FabSpeed for your Porsche. All 997 Products 2005+ Simple bolt-on installation. Easy on & easy off. Used by many Rolex Grand Am Cup racing teams and PCA/POC/ DE racers. Complies with Porsche Factory warranty and emissions in all 50 states. LOUD and proud aggressive SUPERCUP style sound. Saves 50 lbs from the rear of your 997 & increases power and sports car sound. +12HP. Saving weight from the rear from any rear engine Porsche is a HUGE benefit and gain in handling and performance as all that inertial weight is removed from the rearmost part of the 997. Specify 997 or 997 ?S" when ordering!