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 of this KFX 90 EVO M exhaust system 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 mini MX or ATV model.

• Made for various 50cc – 110cc models
• 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
• Handmade in the USA
• 1 Year Limited Manufacturer’s Warranty