{"product_id":"fmf-042161-mini-powercore-4-muffler-kawasaki-klx140-moto-house-mx","title":"FMF Mini Powercore 4 Spark Arrested Slip-On Muffler (Silver\/Aluminum) 042161 - Kawasaki KLX140 2008-2026","description":"\u003ch1\u003e\u003cstrong\u003eFMF Mini Powercore 4 Spark Arrested Slip-On Muffler (Silver\/Aluminum) 042161 - Kawasaki KLX140 \/ KLX140L \/ KLX140G \/ KLX140R 2008-2024\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe FMF Mini Powercore 4 Slip-On Muffler delivers noticeable power increases across the entire RPM range for your trail or track mini bike. Built with an aircraft-grade aluminum canister and an internal \u003cstrong\u003eHi-Flo stainless steel core\u003c\/strong\u003e, this slip-on system enhances exhaust velocity while providing a deep, controlled 4-stroke exhaust note.\u003c\/p\u003e\n\u003cp\u003eEngineered to shed significant weight over the stock exhaust assembly, this 2.9 lb system features formed stainless steel conical end caps and an integrated \u003cstrong\u003einternal spark arrestor\u003c\/strong\u003e for trail compliance. The direct bolt-on configuration pairs with the machine's stock mounting points to optimize mid-to-top end pull without complicating routine maintenance.\u003c\/p\u003e\n\u003ch3\u003eTop Features: FMF Mini Powercore 4 Muffler\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConstructed with an aircraft-grade aluminum oval canister and a stainless steel mid-pipe.\u003c\/li\u003e\n\u003cli\u003eHi-Flo stainless steel core and formed conical end caps optimize internal exhaust flow.\u003c\/li\u003e\n\u003cli\u003eInternal spark arrestor included for off-road trail riding compliance.\u003c\/li\u003e\n\u003cli\u003eSubstantial weight reduction at an overall unit weight of only 2.9 lbs.\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\u003e2008-2020\u003c\/td\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKLX140\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008-2020\u003c\/td\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKLX140L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2020\u003c\/td\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKLX140G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2026\u003c\/td\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKLX140R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2026\u003c\/td\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKLX140R L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2026\u003c\/td\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKLX140R F\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: Does this FMF Mini Powercore 4 muffler come with a spark arrestor screen?\u003c\/b\u003e\u003cbr\u003eA: Yes, this model includes an integrated internal spark arrestor for off-road and trail riding.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What material is used for the canister body?\u003c\/b\u003e\u003cbr\u003eA: The muffler canister is manufactured from aircraft-grade aluminum, paired with stainless steel pipe and end cap components.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e When installing any slip-on exhaust, apply a thin bead of high-temperature silicone sealant at the slip-fit junction before tightening the clamp. This prevents air leaks and decel popping, ensuring proper exhaust scavenging right from the first start.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/kawasaki-klx140-klx140l-klx140g-klx140r-f-and-klx140r-moto-house-mini-pit-bike-upgrades-engine-mods-and-accessories-performance-headquarters\"\u003eKawasaki KLX140 Performance Parts \u0026amp; Upgrades\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/kawasaki-4-stroke-dirt-bikes-performance-parts-accessories-moto-house-mx\"\u003eKawasaki 4-Stroke Performance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/moto-house-mini-pit-bike-performance-headquarters\"\u003ePit Bike Performance Parts \u0026amp; Accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":41007396913235,"sku":"042161","price":260.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/Screenshot_2026-08-25_182456.png?v=1787696734","url":"https:\/\/motohousemx.com\/products\/fmf-042161-mini-powercore-4-muffler-kawasaki-klx140-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}