M4 YA6922 RM1 Style Canister Full System Exhaust, Black is made specifically for Yamaha XSR900 (2016-current)
Features:
- Saves 10lbs over stock -Produces 8 horsepower over the stock systemÂ
- Stock db 89 @ 5,500 rpm/ M4 db 105 @ 5,500 rpmÂ
- M4 Suggests reflashing of the stock ecu or a fuel controller to maximize power outputÂ
- 304 Stainless steel tubing with high temp ceramic coating










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