Big Gun Exhaust TFI Power Box for 2009-18 Kawasaki KX450F - 40-R81 2011 John Deere Gator HPX 500 1994 Suzuki LT-F4WDX King Quad

1994 Suzuki LT-F4WDX King Quad

1991 Suzuki LT-F160 Quad Runner

2005 Kawasaki ZZ-R 1200

2009 Harley-Davidson Softail Deluxe - FLSTN

2015 John Deere Gator TS

Big Gun Exhaust TFI Power Box for 2009-18 Kawasaki KX450F - 40-R81 2011 John Deere Gator HPX 500 1994 Suzuki LT-F4WDX King QuadBig Gun Exhaust TFI Power Box 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 When installing an aftermarket exhaust, proper tuning is a must. The Big Gun Power Box is a plug and