For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

XFI 2. 0 Plug and Play - FAST XFI Main and Injector Harnesses are designed to plug directly into the FAST XFI 2. 0 ECU. Each XFI 2. 0 system requires both a Main Harness and a separate Fuel Injector Harness to access basic XFI 2. 0 Fuel Injection functions.

OE Quality - Featuring quality wire, protective sleeving and brand-name connectors, FAST brand XFI harnesses bring OE quality into the performance aftermarket.

Buick V6- The XFI Buick V6 specific fuel injector harness ensures a quick and easy XFI 2. 0 addition to your V6 Buick. Crafted to ensure quality connections and a tidy appearance, our Buick V6 injector harness is an easy, time-saving way to add XFI control to your Grand National.

Tech Specs - The XFI Buick V6 fuel injector harness is constructed with Minitimer/EV1 injector connectors, and the firing order is 1-6-5-4-3-2. Changing firing orders requires re-pinning injector harness.

Buick V6 Ignition Harness Available - To complete your Buick V6 XFI install, you need an XFI ignition harness. The 301307 Ignition Adapter harness completes your XFI 2. 0 Buick V6 install.