WORX YAM SUPERJET EXHAUST POWER SLEEVE
The new WORX billet aluminum Power Sleeve is designed to insert into the stinger of the stock exhaust to reduce the stinger size. The smaller stinger will increase back pressure and speed up the sonic wave in the exhaust pipe. The simple installation will increase top speed on a stock class SuperJet up to 2 MPH. Used to win 2016 Junior Ski World Championship!