Big Gun EVO M Series Exhaust System Kawasaki Kfx90 Having been a mainstay for over a decade, the EVO M Series represents the pinnacle of enhancement for mini MX enthusiasts. The EVO M Mini MX unleashes a deeper, robust tone, offering an upgrade in power and acoustics that riders seek for their mini MX models. This series is an ideal choice for those aiming to elevate their riding experience through superior performance and sound. Features: Hard-anodized specialty aluminum muffler TIG-welded 304 stainless mid pipe/head pipe Red powder-coated stainless steel tip Lighter than stock exhaust system Significant horsepower and torque gains Sleek muffler design allows for maximum clearance Removable screen-type spark arrestor included Made in the USA