FMF Powercore 4 Stainless Slip-On Muffler KTM 450/525 | 045135 Polaris we determined that it was

we determined that it was not much of a spring

bonded lightweight single bolt clamping system for the cross-brace

Physical Dimensions: of 210 x 120 x 85mm (8

Produced out of drawn-over-mandrel tubing with precision machined

YAMAHA (18-24) YZ 450F Lower or UpperYAMAHA (92-23) YZ 125 & 250  upperYAMAHA (20-23) YZ 125X Upper

FMF Powercore 4 Stainless Slip-On Muffler KTM 450/525 | 045135 Polaris we determined that it wasWhen designing the PowerCore4, 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 wont break the bank. Overall increase in power and torque Durable stainless steel and aluminum construction Advanced packing material for maximum longevity Champagne color anodized can Removable spark