Big Gun Ezhaust EVO Race Headers for 1985-21 Honda XR600 / XR650L - 09-1611 2008 Honda TRX400 Sportrax 2006-07 Yamaha YFZ450 Bill Balance

2006-07 Yamaha YFZ450 Bill Balance Edition

The combination of timing advance and rev limit increase yields a noticeable increase to horsepower and torque over the stock CDI

2003 Gas-Gas SM 125

Part Number: VA-2014

2003 Kawasaki MULE 3010 4x4

Big Gun Ezhaust EVO Race Headers for 1985-21 Honda XR600 / XR650L - 09-1611 2008 Honda TRX400 Sportrax 2006-07 Yamaha YFZ450 Bill BalanceBig Gun Exhaust EVO Racer Series Head Pipe 304 stainless steel TIG welded head pipe Larger diameter than stock Lighter than stock head pipe Increased horsepower and torque gains Handmade in the USA 1 Year Limited Manufacturer's Warranty The Big Gun Evo Racing Series was designed to deliver maximum horsepower & torque gains throughout the RPM range. Made from . 049 stainless steel tubing & an aluminum muffler canister, the Evo exhaust system is much