GPR Exhaust M3 Inox Slip On for Honda CB 500 X 2016 to 2018 Muffler with:dB Killer Link Pipe Four shell sizes increase fit K 209027 Four shell sizes increase fit options that help comfortably fit most head sizes Year Make Model 2004 KTM 125 SX 2004 KTM 125 SXS 2004 KTM 200 EXC 2004 KTM 200 SX 2004 KTM 250 EXC 2004 KTM 250 EXC G RACING 2004 KTM 250 SX 2004 KTM 250 SXS 2004 KTM 300 EXC 2004 KTM 300 MXC 2004 KTM 400 EXC G RACING 2004 KTM 450 EXC RACING SIX DAYS 2004 KTM 450 EXC G RACING 2004 KTM 450 MXC G RACING 2004 KTM 450 RALLYE FACTORY REPLICA 2004 KTM 450 SX RACING 2004 KTM 450 SXS RACING 2004 KTM 450 XC CROSS COUNTRY 2004 KTM 525 EXC RACING SIX DAYS 2004 KTM 525 EXC G RACING 2004 KTM 525 MXC G RACING 2004 KTM 525 SX RACING Endcap Color: Brushed Stainless steel GPR developed the M3 Inox after the victories in the Moto3 World Championship