FMF Racing Mini Powercore 4 Aluminum Slip-On Muffler w/Stainless Hi-Flo Core & End Cap for Kawasaki KLX140 08-24 ModelsFMF PowerCore 4 Slip On Exhaust Kawasaki KLX140 KLX140L KLX140G KLX140R KLX140R L KLX140R F When designing the PowerCore 4 Exhaust, FMF took a hard look at their top of the line mufflers to produce race inspired performance at a more economical price. The end result is a quality muffler that delivers improved torque, increased horsepower and rugged durability all at a price that won't break the bank. Features: Increase in power and torque through