EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep and throaty tone is sure to make even a grown man feel like a kid again. EVO M series is perfect for kids (or adults) looking to get more power and sound out of their bike. Black powder coated specialty aluminum muffler. TIG welded 304 stainless steel mid pipe / head pipe. Black powder coated stainless steel end tip. Lighter than stock exhaust system. Significant horsepower and torque gains. Sleek muffler design allows for maximum clearance. Removable screen-type spark arrestor included. One year manufacturer's warranty. Handmade in the U.S.A. Note: This system is NOT ARB / CARB compliant and cannot be sold in the state of California.