{"product_id":"fmf-powercore-4-hex-muffler-045553-for-ktm-350-xcf-w-and-500-xcf-w","title":"FMF PowerCore 4 HEX Muffler 045553 for KTM 350 XCF-W and 500 XCF-W","description":"When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.\n\u003cp\u003eThe FMF PowerCore 4 HEX Muffler, manufacturer part number 045553 and vendor part number 79-3087, delivers race-inspired exhaust performance for select KTM off-road motorcycles. Designed to improve overall power and torque, this muffler uses FMF Hi-Flo core technology and enhanced sonic evacuation to support increased exhaust flow and responsive engine performance. Its removable spark arrestor helps maintain trail-ready functionality while allowing convenient servicing.\u003c\/p\u003e\u003cp\u003eBuilt for dependable off-road use, the FMF PowerCore 4 HEX features durable stainless steel and aluminum construction with space-age internal packing material designed for extended service life. The muffler can be used with either an FMF header or the stock OEM header, making it a practical performance replacement for riders seeking improved exhaust efficiency without replacing the complete exhaust system.\u003c\/p\u003e\u003cp\u003eFitment includes 2012–2016 KTM 350 XCF-W and 2012–2016 KTM 500 XCF-W models. Verify the motorcycle model and year before installation to ensure proper compatibility. The FMF PowerCore 4 HEX Muffler is engineered as a model-specific exhaust component and is intended for installation using the appropriate mounting hardware and manufacturer-recommended procedures.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePower and Torque: Provides an overall increase in engine power and torque.\u003c\/li\u003e\n\u003cli\u003eConstruction: Uses durable stainless steel and aluminum materials for rugged off-road performance.\u003c\/li\u003e\n\u003cli\u003eInternal Packing: Features space-age packing material designed for maximum longevity.\u003c\/li\u003e\n\u003cli\u003eHi-Flo Technology: Internal core shape supports improved exhaust flow.\u003c\/li\u003e\n\u003cli\u003eSonic Evacuation: Enhanced exhaust evacuation helps increase flow and power.\u003c\/li\u003e\n\u003cli\u003eSpark Arrestor: Includes a removable spark arrestor for trail-oriented use.\u003c\/li\u003e\n\u003cli\u003eHeader Compatibility: Works with an FMF header or the stock OEM header.\u003c\/li\u003e\n\u003cli\u003eFitment: Fits 2012–2016 KTM 350 XCF-W and 2012–2016 KTM 500 XCF-W motorcycles.\u003c\/li\u003e\n\u003cli\u003eIdentification: FMF manufacturer part number 045553 and vendor part number 79-3087.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2005 KTM 250 SX-F\u003cbr\u003e\n2006 KTM 250 SX-F\u003cbr\u003e\n2007 KTM 250 SX-F\u003cbr\u003e\n2007 KTM 250 XC-F\u003cbr\u003e\n2007 KTM 400 SX 4-Stroke\u003cbr\u003e\n2007 KTM 450 SMR 4-Stroke\u003cbr\u003e\n2007 KTM 450 SX-F\u003cbr\u003e\n2007 KTM 450 XC-F\u003cbr\u003e\n2007 KTM 505 Sx-F\u003cbr\u003e\n2007 KTM 525 SX 4-Stroke\u003cbr\u003e\n2007 KTM 560 SMR 4-Stroke\u003cbr\u003e\n2008 KTM 250 SX-F\u003cbr\u003e\n2008 KTM 250 XC-F\u003cbr\u003e\n2008 KTM 250 XCF-W\u003cbr\u003e\n2008 KTM 350 XCF-W\u003cbr\u003e\n2008 KTM 400 SX 4-Stroke\u003cbr\u003e\n2008 KTM 450 SMR 4-Stroke\u003cbr\u003e\n2008 KTM 450 SX-F\u003cbr\u003e\n2008 KTM 450 XC-F\u003cbr\u003e\n2008 KTM 450 XCF-W\u003cbr\u003e\n2008 KTM 505 Sx-F\u003cbr\u003e\n2008 KTM 505 Xc-F\u003cbr\u003e\n2008 KTM 525 SX 4-Stroke\u003cbr\u003e\n2008 KTM 530 XC-W 4-Stroke\u003cbr\u003e\n2008 KTM 560 SMR 4-Stroke\u003cbr\u003e\n2009 KTM 250 SX-F\u003cbr\u003e\n2009 KTM 250 XC-F\u003cbr\u003e\n2009 KTM 250 XCF-W\u003cbr\u003e\n2009 KTM 350 XCF-W\u003cbr\u003e\n2009 KTM 400 SX 4-Stroke\u003cbr\u003e\n2009 KTM 400 XC-W 4-Stroke\u003cbr\u003e\n2009 KTM 450 SMR 4-Stroke\u003cbr\u003e\n2009 KTM 450 SX-F\u003cbr\u003e\n2009 KTM 450 XC-F\u003cbr\u003e\n2009 KTM 450 XCF-W\u003cbr\u003e\n2009 KTM 505 Sx-F\u003cbr\u003e\n2009 KTM 505 Xc-F\u003cbr\u003e\n2009 KTM 525 SX 4-Stroke\u003cbr\u003e\n2009 KTM 530 XC-W 4-Stroke\u003cbr\u003e\n2010 KTM 250 SX-F\u003cbr\u003e\n2010 KTM 250 XC-F\u003cbr\u003e\n2010 KTM 250 XCF-W\u003cbr\u003e\n2010 KTM 350 SX-F\u003cbr\u003e\n2010 KTM 350 XC-F\u003cbr\u003e\n2010 KTM 350 XCF-W\u003cbr\u003e\n2010 KTM 400 SX 4-Stroke\u003cbr\u003e\n2010 KTM 400 XC-W 4-Stroke\u003cbr\u003e\n2010 KTM 450 SX-F\u003cbr\u003e\n2010 KTM 450 XC-F\u003cbr\u003e\n2010 KTM 450 XCF-W\u003cbr\u003e\n2010 KTM 505 Sx-F\u003cbr\u003e\n2010 KTM 505 Xc-F\u003cbr\u003e\n2010 KTM 525 SX 4-Stroke\u003cbr\u003e\n2010 KTM 530 XC-W 4-Stroke\u003cbr\u003e\n2011 KTM 250 SX-F\u003cbr\u003e\n2011 KTM 250 XC-F\u003cbr\u003e\n2011 KTM 250 XCF-W\u003cbr\u003e\n2011 KTM 350 SX-F\u003cbr\u003e\n2011 KTM 350 XC-F\u003cbr\u003e\n2011 KTM 350 XCF-W\u003cbr\u003e\n2011 KTM 400 SX 4-Stroke\u003cbr\u003e\n2011 KTM 450 SX-F\u003cbr\u003e\n2011 KTM 450 XC-F\u003cbr\u003e\n2011 KTM 450 XCF-W\u003cbr\u003e\n2011 KTM 505 Sx-F\u003cbr\u003e\n2011 KTM 505 Xc-F\u003cbr\u003e\n2011 KTM 525 SX 4-Stroke\u003cbr\u003e\n2011 KTM 530 XC-W 4-Stroke\u003cbr\u003e\n2012 KTM 250 SX-F\u003cbr\u003e\n2012 KTM 250 XC-F\u003cbr\u003e\n2012 KTM 250 XCF-W\u003cbr\u003e\n2012 KTM 350 SX-F\u003cbr\u003e\n2012 KTM 350 XC-F\u003cbr\u003e\n2012 KTM 350 XCF-W\u003cbr\u003e\n2012 KTM 400 SX 4-Stroke\u003cbr\u003e\n2012 KTM 450 SX-F\u003cbr\u003e\n2012 KTM 450 SX-F Factory Edition\u003cbr\u003e\n2012 KTM 450 XC-F\u003cbr\u003e\n2012 KTM 450 XCF-W\u003cbr\u003e\n2012 KTM 500 XCF-W\u003cbr\u003e\n2012 KTM 505 Sx-F\u003cbr\u003e\n2012 KTM 525 SX 4-Stroke\u003cbr\u003e\n2013 KTM 250 SX-F\u003cbr\u003e\n2013 KTM 250 XC-F\u003cbr\u003e\n2013 KTM 250 XCF-W\u003cbr\u003e\n2013 KTM 350 SX-F\u003cbr\u003e\n2013 KTM 350 XC-F\u003cbr\u003e\n2013 KTM 350 XCF-W\u003cbr\u003e\n2013 KTM 450 SX-F\u003cbr\u003e\n2013 KTM 450 SX-F Factory Edition\u003cbr\u003e\n2013 KTM 450 XC-F\u003cbr\u003e\n2013 KTM 450 XCF-W\u003cbr\u003e\n2013 KTM 500 XCF-W\u003cbr\u003e\n2013 KTM 505 Sx-F\u003cbr\u003e\n2014 Husqvarna FE 250\u003cbr\u003e\n2014 Husqvarna FE 350\u003cbr\u003e\n2014 KTM 250 SX-F\u003cbr\u003e\n2014 KTM 250 XC-F\u003cbr\u003e\n2014 KTM 250 XCF-W\u003cbr\u003e\n2014 KTM 350 SX-F\u003cbr\u003e\n2014 KTM 350 XC-F\u003cbr\u003e\n2014 KTM 350 XCF-W\u003cbr\u003e\n2014 KTM 450 SX-F\u003cbr\u003e\n2014 KTM 450 SX-F Factory Edition\u003cbr\u003e\n2014 KTM 450 XC-F\u003cbr\u003e\n2014 KTM 450 XCF-W\u003cbr\u003e\n2014 KTM 500 XCF-W\u003cbr\u003e\n2015 Husqvarna FE 250\u003cbr\u003e\n2015 Husqvarna FE 350\u003cbr\u003e\n2015 KTM 250 SX-F\u003cbr\u003e\n2015 KTM 250 SX-F Factory Edition\u003cbr\u003e\n2015 KTM 250 XC-F\u003cbr\u003e\n2015 KTM 250 XCF-W\u003cbr\u003e\n2015 KTM 350 SX-F\u003cbr\u003e\n2015 KTM 350 XC-F\u003cbr\u003e\n2015 KTM 350 XCF-W\u003cbr\u003e\n2015 KTM 450 SX-F\u003cbr\u003e\n2015 KTM 450 SX-F Factory Edition\u003cbr\u003e\n2015 KTM 450 XC-F\u003cbr\u003e\n2015 KTM 450 XCF-W\u003cbr\u003e\n2015 KTM 500 XCF-W\u003cbr\u003e\n2015 KTM 530 XC-W 4-Stroke\u003cbr\u003e\n2016 Husqvarna FE 250\u003cbr\u003e\n2016 Husqvarna FE 350\u003cbr\u003e\n2016 KTM 250 XCF-W\u003cbr\u003e\n2016 KTM 350 XCF-W\u003cbr\u003e\n2016 KTM 450 XCF-W\u003cbr\u003e\n2016 KTM 500 XCF-W\u003cbr\u003e\n2016 KTM 530 XC-W 4-Stroke","brand":"FMF","offers":[{"title":"Default Title","offer_id":67551766708459,"sku":"79-3087","price":382.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/60dd-69dfc47cb82fc_98c8942d-be3d-4d2b-afa1-1dbbbd994c06.jpg?v=1790724910","url":"https:\/\/ctracingservices.com\/products\/fmf-powercore-4-hex-muffler-045553-for-ktm-350-xcf-w-and-500-xcf-w","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}