{"product_id":"fmf-045666-powercore-4-hex-slip-on-muffler-beta-350-rr-moto-house-mx","title":"FMF Powercore 4 Hex Slip-On Muffler 045666 - Beta 350 \/ 390 \/ 430 \/ 480 RR 2020-2026","description":"\u003ch2\u003e\u003cstrong\u003eFMF Powercore 4 Hex Slip-On Muffler 045666 - Beta 350 \/ 390 \/ 430 \/ 480 RR 2020-2026\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv style=\"background-color:#fdecea; border:1px solid #f5c2c0; border-left:5px solid #d93025; border-radius:6px; padding:10px 14px; margin:12px 0; box-sizing:border-box; width:100%; max-width:100%; word-wrap:break-word; overflow-wrap:break-word; font-size:15px; line-height:1.5;\"\u003e\n\u003cstrong style=\"color:#b3261e;\"\u003ePlease Note:\u003c\/strong\u003e \u003cspan style=\"color:#5f1a15;\"\u003eClosed course competition use only.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe FMF \u003cstrong\u003ePowercore 4 Hex Slip-On Muffler\u003c\/strong\u003e features a Hi-Flo end cap engineered to boost all-around performance across your machine's power band. It is computer-designed and dyno-tested for individual 4-stroke applications to ensure maximum efficiency.\u003c\/p\u003e\n\u003cp\u003eEnhanced sonic evacuation delivers a higher flow of exhaust gases to increase power, while a stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability. Round perforated steel inner cores provide optimum flow using hi-flo technology, complemented by FMF's exclusive cross-weave internal packing for longevity and sound dispersion.\u003c\/p\u003e\n\u003ch3\u003eTop Features: FMF Powercore 4 Hex\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHi-Flo end cap boosts all-around performance.\u003c\/li\u003e\n\u003cli\u003eComputer-designed and dyno-tested for every 4-stroke application[cite: 1].\u003c\/li\u003e\n\u003cli\u003eEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power[cite: 1].\u003c\/li\u003e\n\u003cli\u003eStainless steel mid-pipe mates to the computer-designed rear can for lightweight durability[cite: 1].\u003c\/li\u003e\n\u003cli\u003eRound perforated steel inner cores make for optimum flow, using hi-flo technology[cite: 1].\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.\u003c\/p\u003e\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eVehicle Brand\u003c\/th\u003e\n\u003cth\u003eVehicle Model \u0026amp; Sub-Model\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e390 RR Race Edition 4T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025-2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e350 RR X-Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025-2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e390 RR X-Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025-2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e430 RR X-Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025-2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e480 RR X-Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e350 RR S 4T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e390 RR S 4T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e430 RR S 4T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021, 2025\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e350 RR 4T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021, 2025\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e390 RR 4T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021, 2025\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e430 RR 4T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021, 2025\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e480 RR 4T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e350 RR-Race Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e390 RR-Race Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e430 RR-Race Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e480 RR-Race Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2023\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e350 RR-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2023\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e390 RR-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2023\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e430 RR-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020, 2023-2024\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e350 RR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020, 2023-2024\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e390 RR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020, 2023-2024\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e430 RR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020, 2023-2024\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e480 RR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: What materials are used to construct the Powercore 4 Hex slip-on?\u003c\/b\u003e\u003cbr\u003eA: It features an elliptical aluminum can, a stainless steel mid-pipe, and a stainless steel end cap with round perforated steel inner cores[cite: 1].\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Is this exhaust intended for closed course competition?\u003c\/b\u003e\u003cbr\u003eA: Yes, it is designated for closed course competition use only[cite: 1].\u003c\/p\u003e\n\u003ch3\u003eExpert Pro-Tip\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e Apply a light coat of high-temperature silicone at the slip-joint connection during installation to create a perfect seal against exhaust leaks. Ensure that all mounting hardware is tightened evenly to account for vibration on high-output 4-stroke engines.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/beta-350-rr-performance-parts-and-accessories-moto-house-mx\"\u003eBeta 350 RR Performance Parts \u0026amp; Accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/beta-4-stroke-dirt-bike-for-upgrade-superior-performance-parts-moto-house-mx\"\u003eBeta 4-Stroke Performance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-motorcycle-tools\"\u003eMotorcycle Tools \u0026amp; Accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbout Moto-House MX\u003c\/h3\u003e\n\u003cp\u003eAt Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. We pride ourselves on great customer service, and every item ships FAST - straight to your door.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003e\u003cstrong\u003eMoto-House MX - Choice of Champions\u003c\/strong\u003e - Your premier powersports source with great customer service and lightning-fast shipping straight to your door.\u003c\/i\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"FMF Powercore 4 Hex Slip-On Muffler 045666 - Beta 350 \/ 390 \/ 430 \/ 480 RR 2020-2026\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"FMF\"\n  },\n  \"sku\": \"045666\",\n  \"mpn\": \"045666\",\n  \"description\": \"FMF 045666 Powercore 4 Hex Slip-On Muffler for Beta 350\/390\/430\/480 RR 2020-2026. Hi-Flo end cap and aluminum canister. 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