Utilizing 14 and 16 gauge 304 Stainless Steel and German made HJS 200 cell metal core catalysts, AWE mufflers have been dyno proven to deliver a huge 24 crank horsepower and 30 crank torque improvement over stock in both normal and overboost modes. Meanwhile, the power improvements have come with no sacrifice to sound quality.
The AWE Tuning 997TT muffler delete pipes include genuine German HJS 200 cell metal core catalytic converters, the only catalytic converters proven to keep the Check Engine Light off on your dash.
These delete pipes are made of 304 stainless steel, feature a 3.75" diameter expansion chamber right off the turbine outlet for immediate spool up, and include an extra oxygen sensor bung before the driver side cat for accurate exhaust gas monitoring if you so desire.
Please note this exhaust system is for racing use only.