Developed over years of championship offroad racing. Max sound output 96dB; most models below 94dB. Use with stock or FMF header. Constructed from aircraft-grade aluminum and high-strength stainless steel.
Note: 450 EXC, 450 MXC, 450 SX, 450 XC, 450 XC-W, 525 EXC, 525 MXC, 525 SX, 525 XC, 525 XC-W, Muffler to be used with stock header
Note: CRF250L, 2-piece
Note: CRF250R 06-09 041251 P/N 272493, Single Side Muffler
Note: CRF250R 14-16 041522 P/N 279171, CRF450R 13-16 041506 P/N 279116, Includes Side Panel
