Exhaust Full Velocity / Pro-R 800 ('11+) Finish:Black With a weight range of

With a weight range of 64 to 96 grams

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

Gains 13-14 horsepower

after seasonal storage

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

Exhaust Full Velocity / Pro-R 800 ('11+) Finish:Black With a weight range ofWeighing 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.