Big Gun TFI Power Box for 2009-14 Yamaha YFM550 Grizzly - 40-R57D 2002 Polaris Indy Super Sport 550 Feature lightweight 6061-T6 brushed aluminum

Feature lightweight 6061-T6 brushed aluminum canister with stainless steel end cap

2017 Arctic Cat M 6000 SE ES w/153" Track

2003 Kawasaki KX60

(4) O-Ring

000 RPM over the stock (from stock CDI 7

Big Gun TFI Power Box for 2009-14 Yamaha YFM550 Grizzly - 40-R57D 2002 Polaris Indy Super Sport 550 Feature lightweight 6061-T6 brushed aluminumBig 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