anything over 140hp we recommend a head stud install

Big mid-range to peak horsepower gains

and 6-7 peak

Quit worrying about going into limp mode for no reason with this simple-to-install block-off kit

HD buckets

Exhaust Full Velocity / Pro-R 600 ('13+) Category_Default Category/SLED/Polaris/AXYS 800 H.O. '18-Up/Engine anything over 140hp we recommendWeighing in at a mere 7. 5 lbs this muffler will shave a ton of weight off your sled. The fully baffled design gives a deep throaty sound without being too loud. This muffler won't lose horsepower like some of the glass pack style mufflers can do. Easy bolt on and go with no fuel changes necessary. Available in high temp black or ceramic chrome.