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..

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock. - Hard anodized oval shaped aluminum muffler - TIG welded reinforced muffler bracket - 304 stainles..

EVO R™ 1-1 Exhaust System by Big Gun Exhaust®. The EVO R series draws on Big Gun Exhaust rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock..

Hard anodized oval shaped aluminum muffler TIG welded reinforced muffler bracket(s) 304 stainless steel mid pipe / head pipe Red powder coated stainless steel end tip Lighter than stock exhaust Huge horsepower and torque gains Sleek muffler design allows for maximum clearance Removable screen-type USFS approved spark arrestor Handmade in the USA..

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..