M4 Exhaust All Black Full System RM1 Canister 2014-2020 Yamaha FZ-09/MT-09, 2016-2021 XSR900 YA6922

Description

• 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

 *Does not meet emission requirements for street or highway use.