Ignitions and Electrical› Computers, Chips, Modules and Programmers

Big Gun

Big Gun Tfi Power Box Wolverine X4/R-Spec X2

$269.99

SKU: B0AC 40-R57J

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

This TFI Power Box is designed to increase horsepower and throttle response. It installs in minutes and features third-generation technology. No computer is needed to adjust the EFI, thanks to plug-in technology that does not interfere with the stock ECU map. Integrated faceplate buttons provide easy adjustment. It is highly recommended for any EFI unit with an aftermarket exhaust and comes with a 1-year limited warranty.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBig Gun
Part NumberB0AC 40-R57J

Videos

Big Gun Exhaust Tech Talk - Power Box 101

Big Gun Exhaust Tech Talk - Power Box 101

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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