Standard Lightweight Muffler 56-00204C Rebound Separator Valves replace the

Rebound Separator Valves replace the Shock Shaft Nut with an asymmetric valve (it has a different flow rate in each direction)

Pre-mix or oil injection

1998 Arctic Cat Jag 440

Deliver crisp sound you can hear

2017 KTM 250 XC

Standard Lightweight Muffler 56-00204C Rebound Separator Valves replace theCut anywhere from 3 to 12 pounds Designed to reduce weight while keeping sound levels as low as possible More bark than stock units but to not be too obnoxious. In other words, they wont blow you off of your seat Made in the USA SPEEDWERX always has performance on their minds. Their mufflers will either perform same as or better than the stock system Designed to utilize the stock outlet location and require no major chassis modifications for