M4 Black Full System w/ RM1 Style Canister '14-'20 Yamaha FZ-09/MT-09 / '16-'21 XSR900

Exhausts are built to order. Please allow 3 week lead time

• 2014-2020 Yamaha FZ-09/MT-09
• 2016-2021 Yamaha XSR900
• Saves 10lbs Over Stock
• Produces 8 Horsepower Over Stock System
• Stock- 89db @ 5500rpm, M4- 105db @ 5500rpm
• M4 Suggests Reflashing The Stock ECU or a Fuel Controller to Maximize Power Output
• 304 Stainless Steel Tubing With High Temp Ceramic Coating
•  Quiet Insert Available but Sold Separate, M4- 100db @ 5500rpm With Insert

Does not meet emission requirements for street or highway use.

NO RETURNS ON SPECIAL ORDERS