Rad Dudes five-ply silicone exhaust hose from water box to bulkhead SuperJet, Rickter and all aftermarket hulls.
This hose is based off of a Round Nose SuperJet and is 2 3/8” inner diameter. Rad Dudes have designed and manufactured an Exhaust tube that is half the weight and can withstand twice the heat!
 
Heavy Duty Clamp option.