Description
Route your B-pipe with HSI 45° Silicone Coupler – precision-angled high-temp silicone hose for Yamaha SuperJet Factory B-pipe to water box. Available in two sizes for round nose (1996-2020) and square nose (1990-1995) models.
Perfect Fitment
- Round Nose (71-0002): 2.5” → 2.0” | 45° angle
- Square Nose (71-0015): 2.25” → 2.0” | 45° angle
- Material: High-temp silicone
- Replaces: FP COMHOS0135
Applications
- SuperJet B-Pipe: Limited & Mod chambers
- OEM Water Box
- Aftermarket Water Box: RRP, Pro-Tec
Clean routing, no leaks. HSI delivers.
Part Numbers: 71-0002, 71-0015









