EcuTek E-Tuning (Retune for New Fuel)(DE, HR, VHR) Cooling G35 100% Tig Welded T304 Stainless

100% Tig Welded T304 Stainless Steel

* All spring are designed specifically to fit each car for maximum performance

RZG Single Exit Exhaust

Switch between up to 4 different driving modes

Ready to use with a stock computer

EcuTek E-Tuning (Retune for New Fuel)(DE, HR, VHR) Cooling G35 100% Tig Welded T304 StainlessThis item is for if you are wanting to update your EcuTek Etune done by RZG Motorsports. DO NOT PURCHASE THIS IF YOU ARE TUNED BY ANOTHER SHOP WE DO NOT HAVE YOUR FILE TO RETUNE. If you are just adding E85 or any other additional fuel map to your exiting tune please select Only Adding Additional Fuel Map. You will receive a new file with just 1 new fuel map. No updates will be made to your exiting maps to accommodate the change in injector size.(They