PRODUCT DETAILS
The Big Gun TFI Power Box is a plug-and-play fuel controller designed to compensate for the increased airflow of an aftermarket exhaust. Pre-set with a middle-of-the-road tune — approximately 80% of customers don't need to adjust further.
- Plug-in technology — installs in minutes
- Plugs directly inline with stock injector harness
- Increases horsepower and throttle response
- Pre-set tune compensates for aftermarket exhaust
Note: Not ARB/CARB compliant — cannot be sold in California.
REVIEWS
SHIPPING & RETURNS
Returns Policy
All products purchased through Hess Motorsports are subject to a 30 day return period from the ship date. Returned items must be in new and never mounted condition. Exchanges can be made on a product(s) that are defective from manufacturing and/or workmanship that hinder it’s intended use. All returns are subject to a 15% restocking fee. All returns and/or exchanges must be approved prior to shipment and are subject to inspection upon arrival, before a refund and/or exchange can be issued. Purchaser pays all associated costs related to return shipment, including insurance. Returns can take up to 15 days to process after receiving them.Related Products
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