Big Gun Exhaust 09-22521 EVO R Head Pipe

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.

• Precision-bent TIG welded 304 stainless steel head pipe
• Larger diameter than stock head pipe
• Lighter than stock head pipe
• Increased horsepower and torque gains
• Handmade in the USA
• 1 Year Limited Manufacturers Warranty

Big Gun Exhaust 09-22521 Fitment:

• Yamaha YZ 250F (07-09)

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.

• Precision-bent TIG welded 304 stainless steel head pipe
• Larger diameter than stock head pipe
• Lighter than stock head pipe
• Increased horsepower and torque gains
• Handmade in the USA
• 1 Year Limited Manufacturers Warranty

Big Gun Exhaust 09-22521 Fitment:

• Yamaha YZ 250F (07-09)