*Volkswagen MK7 Golf GTi/R Fuel Upgrade Tune
This product is intended for customers who have already purchased a COBB Accessport and a JST Performance custom tune and would like to add on an additional fuel tune (E85 mix, Aux Fuel, Meth, etc). Please select the additional fuel option that you would like to add from the drop down menu below. This option does not include the a full custom base e-tune that is needed before adding an additional fuel. After purchase, please email our tuner at firstname.lastname@example.org using the same email chain that was used during previous tuning to notify us that you are ready to begin tuning for a new fuel.
*Tunes are non-refundable once purchased
*Recommended Accessory: Suction Cup Windshield Mount for COBB Accessport
*We also have tons of JST Swag to choose from when you decide to join the JST team!