Exhaust Valve Spacers Category_Default Category/SLED/Ski-Doo/Rev 800R 13-14 dB louder than stock

13-14 dB louder than stock muffler

Adjustable from 66 to 82 grams (Stock weight is 70g)

Three (3) 1/2" Set Screws

new pocket design

Exhaust Valve Spacers Category_Default Category/SLED/Ski-Doo/Rev 800R 13-14 dB louder than stock1000 Motors Since the exhaust valves dont open until 6800 rpm, there is a loss of torque from 6300 to 6750 rpm in the mid range. By installing our exhaust valve spacers your machine will see gains of 6 8 hp in the mid range with the stock exhaust, and 8 10 hp if you have an aftermarket exhaust system. It adds a lot of mid range power and broadens the powerband at an extremely low price. Machined out of aluminum, sold as a pair and comes with a easy