Invidia HS03IG3GIS Gemini Cat-Back Exhaust System with Stainless Steel Rolled Tip for Nissan G35 Coupe Go to amazon.com Related posts 15 best g35 coupe exhaust Feature2003-2006 Nissan G35 Coupe Gemini Rolled Stainless Steel Tips Cat-Back ExhaustPiping diameter: 60 millimeterTip size: 110 millimeter DescriptionInvidia 2003-2006 Nissan G35 Coupe Gemini Rolled Stainless Steel Tips Cat-Back Exhaust. 60 millimeter pipe diameter. 110 millimeter tip size.