AKRAPOVIC TITANIUM SLIP-ON MUFFLER (YZ450F 18-21, WR450F 19-21, YZ450FX 19)
AKRAPOVIC TITANIUM SLIP-ON MUFFLER (YZ450F 18-21, WR450F 19-21, YZ450FX 19)
AKRAPOVIC TITANIUM HEADER PIPE
2-STROKE EXHAUST PLUG (SMALL)
TWIN AIR MINI EXHAUST PLUG
TWIN AIR 4 STROKE PLUG