16-18 Honda CBR 500R M4 Standard Slip-On Exhaust Titanium
2017-2018 Honda CBR 500R M4 Standard Slip-On Exhaust w/Titanium Muffler Increases Performance Saves 5 lbs over stock Retains stock catalytic converter Stock 82 dB @ 4,500 rpm/ M4 92 dB @ 4,500 rpm. Available dB reducing muffler inserts: Stage 1 Q5 and Stage 2 Q4, Sold separately.