The RPM Sport Muffler provides a lightweight great sounding muffler that increases throttle response, increases HP an additional 4 HP & Sheds 8.4LBS! All while still retaining the ability to pass the SAE J-2567 stationary test of below 88DB. This is a great deep sounding mountain muffler that is by no means obnoxious sounding. This muffler retains the use of the factory EGT sensor & is a simple bolt on design and requires on modifications or additional hardware. Unlike others, The exit tip portion of our muffler is DUAL wall construction ensuring rocks and stumps are no match AND our " Snow Guard " which is the bottom plate that goes against the belly providing strength while keep snow and exhaust fumes from potentially entering the body, especially in deep snow.
Fits with all RMK Boost Models & Years
OPTIONAL Quiet Core : This is a high flowing perforated quiet core insert that will fit directly into the bottom of the muffler. This does require the drilling of a small hole to bolt the quiet core in place. Hardware included!