BOLD MAGENTA part numbers are new for 2025 EXHAUST PARTS-UNLIMITED.COM OFFROAD | 2025 EXHAUST 39 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* HONDA CRF300L/Rally 21-24 Single titanium muffler w/ titanium end cap (race) 1811-4246 3 1-into-1 stainless headpipe (includes a thread for lambda sensor; has no catalytic converter) 1812-0549 3 YAMAHA Ténéré 700 19-20 Single titanium muffler w/ titanium end cap 1811-3797 3 SLIP-ON SERIES MUFFLERS AND HEADPIPE •Slip-on mufflers represent the first step in the exhaust system tuning process •Easy to install and offers a great balance between price and performance • More power, more torque, less weight and the unique Akrapovic sound RACING LINE COMPLETE EXHAUST SYSTEMS •High-quality exhaust system made from stainless steel tubes and a titanium muffler outer sleeve with precision handcrafting and attention to detail •Its unique design yields the maximum output for each specific motorcycle model while significantly reducing overall weight for top performance •Identical to the top-range Evolution Line exhaust system, with the only difference being the material used •Exhaust systems feature a more durable welded bracket and titanium end cap •Connected with a sleeve joint held together with a silicon-shielded tensioning spring •Link pipe is welded to the muffler 1820-2071 •Inlet cap and inner perforation are made entirely out of titanium •Carbon-fiber heat shield included where needed •Laser-engraved spark arrestor in certain models NOTE: For closed course competition use only. Not intended for street use. 1811-3797 1811-4246 1812-0549 1820-1688 1820-1765 FITS MODEL PART # EMIS* HONDA CRF250R 16-17 1820-16881 3 CRF450R/RX 17-20 1820-17651 3 FITS MODEL PART # EMIS* KAWASAKI KX250F 17-20, KX250/X 21-24 1820-2071 3 1 Dual mufflers. •Muffler sleeve and end cap constructed from titanium •Includes carbon fiber muffler clamp and heat shield •Optional available stainless steel header (sold separately) offers an upgrade to a full system when used with the Akrapovic slip-on muffler
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