POWERCORE 4 HEX MUFFLER KX450 UTV FULL-SIZE CREW COVERKOLPIN This FLAT SLIDE SMOOTHBORE design

This FLAT SLIDE SMOOTHBORE design cuts down the turbulence in the bore-throat to increase air flow efficiency

2002 Yamaha YZ250

(with proper maintenance)

If you don’t want to step up to the full cost of the DRCF complete kit

includes hardened deadbolt

POWERCORE 4 HEX MUFFLER KX450 UTV FULL-SIZE CREW COVERKOLPIN This FLAT SLIDE SMOOTHBORE designWhen designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank. Overall increase in power and torque. Durable stainless steel and aluminum construction. Space Age internal packing material for maximum longevity. Internal shape of core