BOLD MAGENTA part numbers are new for 2025 PARTSCANADA.COM 2025 | ATV/UTV EXHAUST EXHAUST 10 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 4.1™ SYSTEMS AND SLIP-ON MUFFLERS •Complete systems and slip-on mufflers •Systems feature titanium PowerBomb header and midpipe, except where noted •Slip-on mufflers available in natural titanium •Titanium slip-on mufflers include a stainless steel midpipe •The lightest mufflers and full systems available •Superior power and performance – horsepower improved throughout the rpm range •Feature exclusive proprietary Chamber Core and PowerBomb technology • Factory forward engineering centralizes mass, improves handling •Made from premium quality American materials •Customize with performance tuning inserts and spark arrestor module FITS MODEL DESCRIPTION PART # EMIS* YAMAHA YFZ450R 09-22, YFZ450X 10-11 Anodized titanium system, anodized muffler has carbon fiber end cap and MegaBomb stainless steel header 1830-0410 3 YFM700R Raptor 06-14 Natural titanium slip-on 1831-0359 3 FITS MODEL DESCRIPTION PART # EMIS* YAMAHA (CONT) YFM700R Raptor 15-23 Natural titanium system 1830-0390 3 Natural titanium slip-on 1831-0359 3 FITS MODEL PART # EMIS* HONDA TRX400EX 99-08,TRX400X 09-14 FMF0410251 3 YAMAHA YFM250 Raptor 08-15,YFM250R Raptor 11 1831-0402 3 FITS MODEL PART # EMIS* YAMAHA (CONT) YFZ450R 09-22,YFZ450X 10-11 1831-0517 3 YFM700 Raptor 06-23 1831-06472 3 1 PowerCore 4 SA. 2 PowerCore4 Hex. POWERCORE 4/4 SA MUFFLERS •Modular end cap allows easy tuning alterations • Standard Hi-Flo 2” end cap boosts all-around performance; optional smaller 1 3/4” end cap smooths power delivery; spark arrestor module adds off-road versatility •Computer-designed and dyno-tested for every 4-stroke application •Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power •A stainless steel mid-pipe mates to the computer-designed aluminum rear can for lightweight durability •Square or round (depending on the machine) perforated steel inner cores make for optimum flow, using hi-flo technology •FMF’s exclusive cross-weave internal packing provides longevity and maximum sound dispersion FITS MODEL PART # EMIS* HONDA TRX400EX 99-08,TRX400X 09-14 FMF-H421H 3 YAMAHA YFZ450 04-09, 12-13 FMF044033 3 FITS MODEL PART # EMIS* YAMAHA (CONT) YFM700 Raptor 06-14 1832-0038 3 POWERBOMB HEADERS •Utilize module precisely located at the initial stage of the header for specific applications • Position “Bomb” increases performance; horsepower is increased as much as 10% • Act as “pre-muffler” helping to lower the decibel output •The expansion and contraction of exhaust sonics through the system causes increased flow •Available in stainless steel for strength combined with light weight •Elliptical aluminum can offers strategic sizing for superior performance •Optional Quiet Core insert will provide a decrease in sound level if desired •PowerCore 4 SA (spark arrestor) features a screen-type spark arrestor that is approved by the U.S.F.S. and does not interrupt exhaust flow so there’s no performance loss •The PowerCore 4 SA system’s strategic ports allow the sonics to evacuate more effectively with the computer-designed Performance Flow end cap FMF041025 1830-0410 1831-0359
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