Big Gun Ezhaust EVO Race Headers for 1985-21 Honda XR600 / XR650L - 09-1611 2008 Honda TRX400 Sportrax Ideal for aluminum heads to

Ideal for aluminum heads to aluminum blocks and aluminum heads to cast iron blocks withstanding the shearing force created by the two materials

7 hp Permanent Magnet

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

Part Number: VA-2014

Part Number: ESG731

Big Gun Ezhaust EVO Race Headers for 1985-21 Honda XR600 / XR650L - 09-1611 2008 Honda TRX400 Sportrax Ideal for aluminum heads toBig 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