H.S.I. 4.0" Silicone Coupler for exhaust pipes with 4.0" diameter flange and needing 2-1/16" length. Connects the exhaust head pipe to the chamber.
Fits many Factory Pipe Products such as the:
- 650 Yamaha SuperJet B-Pipe
- 701 Yamaha SuperJet B-Pipe (both limited and mod)
- 650 Waverunner III
- 701 Yamaha FX1 B-Pipe
- 701 Yamaha Waverunner III
- 701 Yamaha WB1 B-Pipe (both limited and mod)
- 701 Yamaha Waveraider
- 550 Yamaha Limited
- 650 Kawi SX & X2 (both limited and mod)
- 750 Kawi XIR
- 750 Kawi SX/SXi (both limited and mod)
- 800 Kawi SXR wet pipe
High temp and high quality silicone that has been thoroughly tested.
Part Number: HSI-71-0001 (replacement for Factory Pipe COMHOS0100)