Increases horsepower and throttle response
Installs in minutes
Third generation technology
No computer needed to adjust EFI
Plug-in technology (Does not interfere with stock ECU map)
Integrated faceplate buttons provide easy adjustment
Highly recommended for any EFI unit with aftermarket exhaust
1 Year Limited Warranty
Expertly crafted from premium materials
Quality design and workmanship
Durable construction for long service


TFI Power Box by Big Gun?«. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.