BOLD MAGENTA part numbers are new for 2026 EXHAUST PARTS-UNLIMITED.COM OFFROAD | 2026 EXHAUST 27 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”. Ti-6 AND T-6 4-STROKE EXHAUST SYSTEMS continued on next page. Ti-6 AND T-6 4-STROKE EXHAUST SYSTEMS •If you are competing in a AMA Supercross or AMA Motocross series, the Ti-6 Pro titanium exhaust system is perfect for you; created as a full race system, the Ti-6 Pro is designed to increase performance and help professional racers pass AMA/FIM sound regulations •Ti-6 titanium exhaust system is designed to improve performance and power; constructed of titanium throughout the headpipe, mid pipe and canister; this is the ideal exhaust for any off-road or closed course racer looking for improved performance, durability and a professional look; comes with a removable USFS approved spark arrestor making it easy to alternate between off-road and closed course riding • T-6 stainless steel exhaust system offers the same benefits as Ti-6 titanium exhaust system, but the T-6 is constructed of stainless steel and aluminum for increased strength and durability while giving riders a more affordable alternative to titanium; comes with a removable USFS approved spark arrestor making it easy to alternate between off-road and closed course riding 1 Passes AMA/FIM sound regulations. FITS MODEL DESCRIPTION PART # EMIS* GASGAS MC 250F 21-22 Ti-6 w/ carbon end cap 1820-1892 3 MC 450 21-22 Ti-6 w/ carbon end cap 1820-1835 3 Ti-6 Pro w/ carbon end cap 1820-18361 3 HONDA CRF110F 19-20 T-6 stainless system 1820-1915 3 CRF125F 14-15 T-6 stainless system 1820-1534 3 CRF125F 19-20 T-6 stainless system 1820-1916 3 CRF150R 07-18 Ti-6 Pro w/ carbon end cap 1820-15501 3 CRF230F 02-19 T-6 stainless system 1820-1973 3 CRF250F 19-20 T-6 stainless system 1820-1917 3 CRF250R 18-19 T-6 stainless system 1820-1820 3 CRF250R 20 Ti-6 w/ carbon end cap 1820-1941 3 FITS MODEL DESCRIPTION PART # EMIS* HONDA (CONT) CRF250R/RX 22-25 T-6 stainless system 1820-2004 3 Ti-6 Pro w/ carbon end cap 1820-20071 3 CRF450R 15-16 T-6 stainless system 1820-1604 3 CRF450R/RX 17-18 T-6 stainless system 1820-1766 3 Ti-6 Pro w/ carbon end cap 1820-17621 3 CRF450R 19-20 T-6 stainless system 1820-1898 3 Ti-6 w/ carbon end cap 1820-1899 3 Ti-6 Pro w/ carbon end cap 1820-18971 3 CRF450R/RX 21-25 T-6 stainless system 1820-1995 3 Ti-6 w/ carbon end cap 1820-1996 3 Ti-6 Pro w/ carbon end cap 1820-19971 3 CRF450X 19-25 T-6 stainless system 1820-1910 3 •Machined aluminum muffler brackets for increased strength and durability •Asymmetrical muffler configuration for increased packing volume •Most systems equipped with a RC-4 Resonance Chamber for reduced sound output • Machined mid pipe to headpipe joint for a better, leak-free fit •TIG precision welding •Made in the U.S.A. 1820-1762 1820-2007 1820-2004
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