Exhaust Full Velocity / Pro-R 600 ('13+) Finish:Black **Durability "Tall Boy" replacement piston

**Durability "Tall Boy" replacement piston must be used with our spacer

and has a wide range of adjustment

Peak RPM @ 55 MPH

Stock Optimized - 91 Octane 82 RWHP (Stock levels with limiters raised and/or removed)

Exhaust Full Velocity / Pro-R 600 ('13+) Finish:Black **Durability "Tall Boy" replacement pistonWeighing 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.