Circuit Werks latest 2008-2013 G37/2014-2015 Q60 Anti-Reversion Test Pipes. These are our newly designed test pipes, this will help with the sound of your VQ37VHR motor, smooth out the exhaust flow, and not to mention the additional performance gain versus any typical test pipes. Built in flex pipes to absorb all the movements from your motor. Direct bolt on with o2 sensor extenders. Fits both Auto and Manual transmission.
The Provided O2 Extensions May Not Work With The Automatic Transmission Models. Sorry, no instructions and please note that this replaces your factory catalytic converter and might not pass emissions in some States. Off road use only. Other models are also available