BOLD MAGENTA part numbers are new for 2026 PARTSCANADA.COM 2026 | OFFROAD EXHAUST EXHAUST 14 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. FITS MODEL DESCRIPTION PART # EMIS* GASGAS EC 250/350F 21 Hex spark arrestor muffler 1821-1999 3 HONDA CRF250R/RX 25 Q4 hex spark arrestor slip-on muffler 1821-2185 3 CRF450R 21-23 Q4 hex spark arrestor slip-on muffler 1821-2042 3 CRF450X 19-20 Hex spark arrestor muffler 1821-1952 3 XR650L 93-09, 12-20 Hex spark arrestor muffler 1821-2029 3 HUSQVARNA FC 250/350/450 16-17, FE/FX 350/450/501 17 Hex spark arrestor muffler 1821-1717 3 FE 250/350/450 20-22 Hex spark arrestor muffler 1821-1999 3 KAWASAKI KX250F 21 Q4 hex spark arrestor slip-on muffler 1821-2039 3 KX250F/X 25 Q4 hex spark arrestor slip-on muffler 1821-2162 3 KLX300R 20-21 Hex spark arrestor muffler 1821-2028 3 KLX400SR 03-04 Hex spark arrestor muffler 1821-2017 3 KX450F 19-20 Hex spark arrestor muffler 1821-1887 3 KX450F 24 Q4 hex spark arrestor slip-on muffler 1821-2092 3 KX450F/X 24-25 Q4 hex spark arrestor slip-on muffler 1821-2092 3 KLR600/650 08-18 Spark arrestor muffler 1811-2616 4 KTM 250/350/450 SX-F 16 Hex spark arrestor muffler 1821-1717 3 350/450/500 EXC-F/XCF-W 20-22 Hex spark arrestor muffler 1821-1999 3 SUZUKI DR-Z400 06-07 Hex spark arrestor muffler 1821-2017 3 DR-Z400S 00-22 Hex spark arrestor muffler 1821-2017 3 DR-Z400SM 05-21 Hex spark arrestor muffler 1821-2017 3 DR650SE 97-20 Q4 hex spark arrestor slip-on muffler 1821-2045 3 YAMAHA WR250F 15-19 Q4 hex spark arrestor slip-on muffler 1821-1609 3 YZ250F 14-18 Q4 hex spark arrestor slip-on muffler 1821-1609 3 YZ250F 19-20 Hex spark arrestor muffler 1821-1882 3 YZ250FX 15-19 Q4 hex spark arrestor slip-on muffler 1821-1609 3 YZ450F 18-24 Hex spark arrestor muffler 1821-1837 3 THE Q SERIES SLIP-ON MUFFLERS •The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound •Less mass to enhance power-to-weight ratio •Quiet power with minimal sacrifice for performance •Q4 slip-on muffler unless noted Q4 •Developed over years of championship off-road racing •Twin-stage core design for lower sound output and extended life of packing material •Comes standard with spark arrestor Q4 HEX •Less sound equals more ground •Meets FIM World Enduro sound regulations •Power gains throughout the entire rpm range •Spark arrestor included •Pounds lighter than stock •Rugged design for off-road endurance •Made in the U.S.A. NOTE: FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. 1821-1952 1821-2185
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