S&S CYCLE GNX Mufflers - 4.5" - Black 550-0990

GNX Mufflers - 4.5" - Black Give your M8 a true V-Twin rumble without a full system, 4.5" slip-on with premium fit, finish, sound and power, Unique louvered baffle delivers a rowdier tone, even with stock headpipes, S&S Racing heritage styled end cap in Tuxedo Black finish, SAE J2825 Sound Level Compliant (with included dB reducer installed), Made in USA!, Not for Trike applications