BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | OFFROAD EXHAUST EXHAUST 20 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”. FACTORY FATTY PIPES •Based on the successful exhaust pipe used by pro riders • Cone section is shaped like the original Fatty, but with new features •Constructed with two thicknesses of steel •19-gauge steel used on the header portion for optimum strength and durability; 20-gauge steel on body and rear section for increased weight savings •Seams are hand-pounded after stamping process for that factory look • Come in a raw, unplated, oiled finish FITS MODEL PART # EMIS* BETA 250/300 RR 13-18 1820-1487 3 250/300 RR 20-24 1821-1981 3 300 RX 21-24 1821-1981 3 GASGAS MC 50 21-23 1820-1385 3 MC 65 21-23 1820-1693 3 MC 85 21-24 1820-1793 3 MC 125 21-22 1820-1866 3 EC/XC 250/300 18-19 1820-1791 3 EC 250/300 21-23 1820-1870 3 EX 250 22 1820-1870 3 MC 250 22-23 1820-1870 3 EX 300 21-22 1820-1870 3 HONDA CR250R 03-04 1820-0009 3 CR250R 05-07 1820-0217 3 HUSABERG TE 250/300 11-16 1820-1114 3 HUSQVARNA TC 50 17-23 1820-1385 3 TC 65 17-23 1820-1693 3 TC 85 14-17 1820-0496 3 TC 85 18-24 1820-1793 3 TC 85 (Big Bore) 18-24 1820-17941 3 FITS MODEL PART # EMIS* HUSQVARNA (CONT) TC 125 14-15 1820-1110 3 TC 125 16-18 1820-1683 3 TC 125 19-22 1820-1866 3 TE 150 17-19 1820-1683 3 TC 250/300 19-22 1820-1870 3 TC/TE/TX 250/300 17 1820-1714 3 TE 250/300 11-16 1820-1114 3 TE 250 20-22 1820-1870 3 TE/TX 300 20-22 1820-1870 3 TX 300 19 1820-1870 3 KAWASAKI KX85/100 14-24 1820-1538 3 KX85/112 22 1820-1538 3 KTM 50 SX 09-22 1820-1385 3 65 SX 09-15 1820-1128 3 65 SX 16-22 1820-1693 3 85 SX 06-17 1820-0496 3 85 SX 18-24 1820-1793 3 85 SX (Big Bore) 18-21 1820-17941 3 125/150 SX 12-15 1820-1110 3 125/150 SX 16-18 1820-1683 3 125/150 SX 19-22 1820-1866 3 125 XC 22 1820-1866 3 FITS MODEL PART # EMIS* KTM (CONT) 150 SX/XC 11-15 1820-1110 3 250 SX/XC/XC-W 11-16 1820-1114 3 250 SX/XC 17 1820-1714 3 250 SX 19-22 1820-1870 3 250/300 XC 19 1820-1870 3 250/300 XC/XC-W 20-22 1820-1870 3 300 XC/XC-W 11-16 1820-1114 3 300 XC 17 1820-1714 3 RIEJU MR PRO 250/3 50 20-13 1820-1791 3 SHERCO SE 300 20-22 1820-1945 3 SUZUKI RM85 02-24 FMF023043 3 RM125 01-07 1820-0225 3 YAMAHA YZ65 18-21 1820-1828 3 YZ85 02-18 FMF024039 3 YZ85 19-24 1820-1851 3 YZ125 05-21 1820-0135 3 YZ125 22-24 1820-2013 3 YZ125X 23-24 1820-2013 3 YZ250 99-22 1820-0175 3 1 PART #1821-1833 must be used with FMF silencer. FACTORY FATTY REV PIPES •Pipe focuses its power delivery in the middle and upper rpm of the power band • If riders are running out of power up top, want more time between shifts and do a lot of deep berm or sand riding, the FMF Rev is their pipe of choice • FMF Racing’s Tru-Flo stamping process ensures a perfect fit and optimum performance •Incredibly durable nickel plating •Dyno and track-tested for every application •Includes O-rings FITS MODEL PART # EMIS* GASGAS MC 125 21-23 1820-1867 3 HUSQVARNA TC 125 19-22 1820-1867 3 KAWASAKI KX85/100 14-25 1820-1715 3 KX112 12-21 1820-1715 3 FITS MODEL PART # EMIS* KTM SX 125/150 19-22 1820-1867 3 XC 125 22 1820-1867 3 YAMAHA YZ125/X 22-26 1820-2014 3
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