Invidia Gemini Cat Back Exhaust Nissan 370Z 2009+If you're in the business of adding artwork, sound, performance, and value to your vehicle, then you will be pleased with the Invidia Gemini Titanium Tip Cat Back Exhaust System. This exhaust system will provide your vehicle with a pronounced exhaust note throughout the entire RPM band, and the design improves performance from the 60MM piping diameter, to the smooth bends that reduce exhaust flow under acceleration. This means that you will have