Exhaust Full Velocity / Pro-R 800 ('11+) Finish:Black this kit gives you the

this kit gives you the ultimate flexibility to quickly switch back to a closed-loop recirculating setup if you are heading into extreme weather

Gains 13-14 horsepower

If you modify any non road engines/equipment after they have been placed into service in the United States so they will be used solely for competition

IF YOU HAVE OUR BIG BORE PLEASE SELECT THE SAME PISTON THAT WAS IN YOUR KIT ORGINALY

Exhaust Full Velocity / Pro-R 800 ('11+) Finish:Black this kit gives you theWeighing in at a mere 7. 5 lbs this muffler will save 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 do. Easy bolt on and go with no fuel changes necessary. Available in high temp black or ceramic chrome.