BOLD MAGENTA part numbers are new for 2024 EXHAUST PARTSCANADA .COM OFFROAD | 2024 33 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”. EXHAUST SYSTEMS AND SLIP-ON/BOLT-ON MUFFLERS QUALITY SINCE 1954 • Every Yoshimura exhaust product is made by hand to the highest quality standards • Championship-winning racetrack experience and Yoshimura’s extensive R&D facility ensure these pipes perform •This dedication to research and development is only matched by Yoshimura’s dedication to uncompromising quality standards •True performance art for your motorcycle SIGNATURE SERIES EXHAUST •All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels •Does not require changing the motorcycle’s emissions control systems • CARB and EPA emissions “Replacement Parts” •Certified by independent laboratory for EPA noise levels STREET SERIES EXHAUST •Deliver performance in a slip-on/ bolt-on muffler package •Does not require changing the motorcycle’s emissions control systems •Marked with appropriate EPA noise emissions labels • CARB and EPA emissions “Replacement Parts” •Not tested for EPA noise levels RACE SERIES EXHAUST •Designed for closed-course competition use only; not intended for street use •Meets noise level regulations of most worldwide race sanctioning organizations •Marked with appropriate EPA noise emissions labels •Not tested for EPA noise levels ENDURO SERIES EXHAUST • An evolution of Yoshimura’s off-road exhaust system •Equipped with USFS-approved spark arrestors, forest-friendly noise levels and are tailpipe-emissions compliant •Marked with appropriate EPA noise emissions labels •Not tested for EPA noise levels FITS MODEL PART # EMIS* HONDA CRF250R/RX 22-24 1820-2001 3 1821-20491 3 CRF450R/RX 21-24 1820-1979 3 1821-20341 3 HUSQVARNA FC250/350 23 1820-2018 3 FC450 RE 23-24 1820-2017 3 FITS MODEL PART # EMIS* KAWASAKI KX250 21-24 1820-1990 3 KX450F 19-23 1820-1986 3 KTM SX-F/XC-F 250/350/450 23-24 1821-20861 3 SX-F 250/350 19-22 1820-1978 3 SX-F 250/350 23 1820-2018 3 SX-F FE 450 23-24 1820-2017 3 EXC-F 500 20-23 1820-1987 3 FITS MODEL PART # EMIS* SUZUKI RM-Z250 19-23 1820-1950 3 RM-Z450 18-24 1820-1962 3 YAMAHA YZ250F 19-23 1820-1963 3 YZ250F/450F 19-21 1861-16062 3 YZ250F/450F 19-21 1861-16742 3 YZ450F 20-22 1820-2000 3 YZ450F 23-24 1820-2033 3 1 Slip-on. 2 Heat shield kit. RS-12 EXHAUST SYSTEMS AND SLIP-ON MUFFLERS •Developed and tested in the heat of over 24 months of factory level racing • Aggressive, intelligently designed, asymmetrical shape • Allows maximized muffler volume that helps manage sound, add power and provide more clearance for tire and brake caliper • Improved performance gains, weight reduction and fit •Machined joints provide a superior and exacting fit for joints •Works-look matte carbon fiber end cap • Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arrestors •Tapered muffler body inlet design •Weighs 8.5 lbs. 1820-1979 1821-2086 1861-1674
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