M4 YA9944 STREET SLAYER CARBON CF 3/4 CAT DELETE EXHAUST
YZF-R1 R1 R1M 2015 15 16 17 18 2016 2017 2018 19 20 2019 2020
Street Slayer slip on system with catalytic converter eliminator and carbon MC36 muffler
The ultimate slip on for the new R1. All titanium tubing to eliminate the catalytic converter with M4’s MC36 style carbon canister. Removes 14.5 lbs over stock and produces a wicked exhaust note.
Available dB reducing muffler inserts: Stage 1 part# Q7 (sold separate)
NOTE: This system may drag during track use at heavy lean angle.
NOTE: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015 Yamaha R1.
