Big Gun TFI Power Box for 2008-10 Polaris RZR 800 Models - 40-R54F 1975 Harley-Davidson Sportster - XLH 1000 1977-81 Yamaha XS400

1977-81 Yamaha XS400

1983 Honda ATC 200 E Big Red

Items Included (1) Black stee intake cover with screen and ring assembly

2015 Can-Am Outlander Max 500 4x4 L

(1) Starter jet #85

Big Gun TFI Power Box for 2008-10 Polaris RZR 800 Models - 40-R54F 1975 Harley-Davidson Sportster - XLH 1000 1977-81 Yamaha XS400Big 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