Fabspeed Porsche 997 GT3 / GT3 RS Center Muffler Bypass Pipe Electrical After many dyno hours and

After many dyno hours and incremental refinements to our design we were able to achieve dyno gains of 27 WHP and 19 FT/LBS of TQ at 7500 RPM

Remove primary oxygen sensors

and 16M 2004-2009

Optional 02 spacers available to help reduce Check Engine Light occurrences by 50%

NO check engine light (CEL) guaranteed

Fabspeed Porsche 997 GT3 / GT3 RS Center Muffler Bypass Pipe Electrical After many dyno hours andDirect replacement for the failure prone OEM muffler providing improved flow, weight savings, and aggressive sound. Our new talk pipe design blends the exhaust from the right and left cylinders creating an incredible smooth blended sound, and our simplified two bolt mounting system makes installing easier than ever! FEATURES: Fits all Porsche 997 GT3 GT3 RS vehicles 2006 2009 Retains Sport Mode control button when used with factory side mufflers 14