{"title":"Kawasaki KFX450R Parts","description":"\u003c!-- p4m-bills-inspired-collection-v1 --\u003e\u003cp\u003eShop motorcycle parts and accessories compatible with Kawasaki KFX450R models for supported years 2007-2014. Use the product fitment details and available filters to confirm the correct part for your exact year and trim.\u003c\/p\u003e\u003cp\u003eNeed help confirming compatibility? Contact Parts4Motorcycles with your motorcycle year, make, model, and the product part number before ordering.\u003c\/p\u003e","products":[{"product_id":"big-gun-07-14-kawasaki-kfx-450r-exo-aluminum-full-system-exhaust","title":"13-45503 Big Gun 07-14 Kawasaki KFX 450R EXO Aluminum Full System Exhaust","description":"\u003cp\u003eBig Gun 07-14 Kawasaki KFX 450R EXO Aluminum Full System Exhaust is a motorcycle exhaust component for Kawasaki models listed in the title, built for riders who want a catalog-matched replacement or upgrade.\u003c\/p\u003e\n\u003cp\u003eEXO Series came about from a realization of the need for a bigger and better muffler that could handle the huge demands of the larger, more powerful sport ATV motors. The EXO Series is our ground-up approach at just that. A unique hexagon shaped aluminum muffler and stainless steel coned inlet allow for significantly more volume, delivering a louder but tolerable deep sound while also decreasing heat. Internal sound wave altering technology for a deeper but tolerable exhaust tone Stamped 304 stainless steel coned inlet for more volume Hexagon shaped large diameter housing for more volume Removable screen-type spark arrestor included Black powder coated stainless steel end tip TIG welded reinforced muffler bracket(s) 304 stainless steel mid pipe \/ head pipe Significant horsepower and torque gains Light weight brushed aluminum muffler Handmade in the USA\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Big Gun\u003c\/li\u003e\n\u003cli\u003eProduct number: 13-45503, big13-45503\u003c\/li\u003e\n\u003cli\u003eCategory: motorcycle exhaust component\u003c\/li\u003e\n\u003cli\u003eInternal sound wave altering technology for a deeper but tolerable exhaust tone\u003c\/li\u003e\n\u003cli\u003eStamped 304 stainless steel coned inlet for more volume\u003c\/li\u003e\n\u003cli\u003eHexagon shaped large diameter housing for more volume\u003c\/li\u003e\n\u003cli\u003eRemovable screen-type spark arrestor included\u003c\/li\u003e\n\u003cli\u003eBlack powder coated stainless steel end tip\u003c\/li\u003e\n\u003cli\u003eTIG welded reinforced muffler bracket(s)\u003c\/li\u003e\n\u003cli\u003e304 stainless steel mid pipe \/ head pipe\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 13-45503\u003c\/li\u003e\n\u003cli\u003eUnit: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm the SKU, selected variant, and vehicle fitment before ordering.\u003c\/p\u003e","brand":"Big Gun","offers":[{"title":"Default Title","offer_id":42738174787671,"sku":"13-45503","price":723.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4928\/2135\/files\/b99926b4e530f3cb9d8c8a18ecd708eb.png?v=1777564499"},{"product_id":"big-gun-07-14-kawasaki-kfx-450r-evo-r-series-full-system-exhaust","title":"09-45503 Big Gun 07-14 Kawasaki KFX 450R EVO R Series Full System Exhaust","description":"\u003cp\u003eBig Gun 07-14 Kawasaki KFX 450R EVO R Series Full System Exhaust is a motorcycle exhaust component for Kawasaki models listed in the title, built for riders who want a catalog-matched replacement or upgrade.\u003c\/p\u003e\n\u003cp\u003eThe EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock. Sleek muffler design allows for maximum clearance Removable screen-type spark arrestor included Hard anodized oval shaped aluminum muffler Red powder coated stainless steel end tip TIG welded reinforced muffler bracket(s) 1 Year Limited Manufacturer's Warranty Lighter than stock exhaust system Huge horsepower and torque gains 304 stainless steel mid pipe Handmade in the USA\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Big Gun\u003c\/li\u003e\n\u003cli\u003eProduct number: 09-45503, big09-45503\u003c\/li\u003e\n\u003cli\u003eCategory: motorcycle exhaust component\u003c\/li\u003e\n\u003cli\u003eSleek muffler design allows for maximum clearance\u003c\/li\u003e\n\u003cli\u003eRemovable screen-type spark arrestor included\u003c\/li\u003e\n\u003cli\u003eHard anodized oval shaped aluminum muffler\u003c\/li\u003e\n\u003cli\u003eRed powder coated stainless steel end tip\u003c\/li\u003e\n\u003cli\u003eTIG welded reinforced muffler bracket(s)\u003c\/li\u003e\n\u003cli\u003e1 Year Limited Manufacturer's Warranty\u003c\/li\u003e\n\u003cli\u003eLighter than stock exhaust system\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 09-45503\u003c\/li\u003e\n\u003cli\u003eUnit: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm the SKU, selected variant, and vehicle fitment before ordering.\u003c\/p\u003e","brand":"Big Gun","offers":[{"title":"Default Title","offer_id":42738249990231,"sku":"09-45503","price":687.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4928\/2135\/files\/59903d09f8fef6083b90744bba378cbe_cec9f62c-b60e-4b16-a055-6ec50e10296e.png?v=1777568347"},{"product_id":"big-gun-07-14-kawasaki-kfx-450r-exo-aluminum-slip-on-exhaust","title":"13-45502 Big Gun 07-14 Kawasaki KFX 450R EXO Aluminum Slip On Exhaust","description":"\u003cp\u003eBig Gun 07-14 Kawasaki KFX 450R EXO Aluminum Slip On Exhaust is a motorcycle exhaust component for Kawasaki models listed in the title, built for riders who want a catalog-matched replacement or upgrade.\u003c\/p\u003e\n\u003cp\u003eEXO Series came about from a realization of the need for a bigger and better muffler that could handle the huge demands of the larger, more powerful sport ATV motors. The EXO Series is our ground-up approach at just that. A unique hexagon shaped aluminum muffler and stainless steel coned inlet allow for significantly more volume, delivering a louder but tolerable deep sound while also decreasing heat. Internal sound wave altering technology for a deeper but tolerable exhaust tone Stamped 304 stainless steel coned inlet for more volume Hexagon shaped large diameter housing for more volume Removable screen-type spark arrestor included Black powder coated stainless steel end tip TIG welded reinforced muffler bracket(s) Significant horsepower and torque gains Light weight brushed aluminum muffler 304 stainless steel mid pipe Handmade in the USA\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Big Gun\u003c\/li\u003e\n\u003cli\u003eProduct number: 13-45502, big13-45502\u003c\/li\u003e\n\u003cli\u003eCategory: motorcycle exhaust component\u003c\/li\u003e\n\u003cli\u003eInternal sound wave altering technology for a deeper but tolerable exhaust tone\u003c\/li\u003e\n\u003cli\u003eStamped 304 stainless steel coned inlet for more volume\u003c\/li\u003e\n\u003cli\u003eHexagon shaped large diameter housing for more volume\u003c\/li\u003e\n\u003cli\u003eRemovable screen-type spark arrestor included\u003c\/li\u003e\n\u003cli\u003eBlack powder coated stainless steel end tip\u003c\/li\u003e\n\u003cli\u003eTIG welded reinforced muffler bracket(s)\u003c\/li\u003e\n\u003cli\u003eSignificant horsepower and torque gains\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 13-45502\u003c\/li\u003e\n\u003cli\u003eUnit: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm the SKU, selected variant, and vehicle fitment before ordering.\u003c\/p\u003e","brand":"Big Gun","offers":[{"title":"Default Title","offer_id":42738343313495,"sku":"13-45502","price":446.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4928\/2135\/files\/b7884e98d7f2bc84de6ed4db30c75721.png?v=1777572212"},{"product_id":"big-gun-07-14-kawasaki-kfx-450r-eco-series-slip-on-exhaust","title":"07-1152 Big Gun 07-14 Kawasaki KFX 450R ECO Series Slip On Exhaust","description":"\u003cp\u003eBig Gun 07-14 Kawasaki KFX 450R ECO Series Slip On Exhaust is a motorcycle exhaust component for Kawasaki models listed in the title, built for riders who want a catalog-matched replacement or upgrade.\u003c\/p\u003e\n\u003cp\u003eECO series is for the price-conscious rider that wants to get every ounce of power out of his\/her motor but does not want to break the bank. Offered as only slip ons, the ECO series is affordable yet powerful. A cheap price does not equal a cheap exhaust. Our ECO series is built to the same rigorous standards as the rest of our lineup and does not skimp on quality, performance or sound. Removable screen-type spark arrestor included Black powder coated stainless steel end tip 1 Year Limited Manufacturer's Warranty 6061 brushed aluminum muffler housing Economically priced slip on exhaust Increaded horsepower and torque 304 stainless steel mid pipe Much lighter than stock Handmade in the USA\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Big Gun\u003c\/li\u003e\n\u003cli\u003eProduct number: 07-1152, big07-1152\u003c\/li\u003e\n\u003cli\u003eCategory: motorcycle exhaust component\u003c\/li\u003e\n\u003cli\u003eRemovable screen-type spark arrestor included\u003c\/li\u003e\n\u003cli\u003eBlack powder coated stainless steel end tip\u003c\/li\u003e\n\u003cli\u003e1 Year Limited Manufacturer's Warranty\u003c\/li\u003e\n\u003cli\u003e6061 brushed aluminum muffler housing\u003c\/li\u003e\n\u003cli\u003eEconomically priced slip on exhaust\u003c\/li\u003e\n\u003cli\u003eIncreaded horsepower and torque\u003c\/li\u003e\n\u003cli\u003e304 stainless steel mid pipe\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 07-1152\u003c\/li\u003e\n\u003cli\u003eUnit: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm the SKU, selected variant, and vehicle fitment before ordering.\u003c\/p\u003e","brand":"Big Gun","offers":[{"title":"Default Title","offer_id":42738403573847,"sku":"07-1152","price":327.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4928\/2135\/files\/a988cec0497032159fece6719ca8626c_6873de87-d32a-4394-8607-fa45a08c3ad9.png?v=1777574892"},{"product_id":"big-gun-07-14-kawasaki-kfx-450r-evo-r-series-slip-on-exhaust","title":"09-45502 Big Gun 07-14 Kawasaki KFX 450R EVO R Series Slip On Exhaust","description":"\u003cp\u003eBig Gun 07-14 Kawasaki KFX 450R EVO R Series Slip On Exhaust is a motorcycle exhaust component for Kawasaki models listed in the title, built for riders who want a catalog-matched replacement or upgrade.\u003c\/p\u003e\n\u003cp\u003eThe EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock. Sleek muffler design allows for maximum clearance Removable screen-type spark arrestor included Hard anodized oval shaped aluminum muffler Red powder coated stainless steel end tip TIG welded reinforced muffler bracket(s) 1 Year Limited Manufacturer's Warranty Lighter than stock exhaust system Huge horsepower and torque gains 304 stainless steel mid pipe Handmade in the USA\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Big Gun\u003c\/li\u003e\n\u003cli\u003eProduct number: 09-45502, big09-45502\u003c\/li\u003e\n\u003cli\u003eCategory: motorcycle exhaust component\u003c\/li\u003e\n\u003cli\u003eSleek muffler design allows for maximum clearance\u003c\/li\u003e\n\u003cli\u003eRemovable screen-type spark arrestor included\u003c\/li\u003e\n\u003cli\u003eHard anodized oval shaped aluminum muffler\u003c\/li\u003e\n\u003cli\u003eRed powder coated stainless steel end tip\u003c\/li\u003e\n\u003cli\u003eTIG welded reinforced muffler bracket(s)\u003c\/li\u003e\n\u003cli\u003e1 Year Limited Manufacturer's Warranty\u003c\/li\u003e\n\u003cli\u003eLighter than stock exhaust system\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 09-45502\u003c\/li\u003e\n\u003cli\u003eUnit: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm the SKU, selected variant, and vehicle fitment before ordering.\u003c\/p\u003e","brand":"Big Gun","offers":[{"title":"Default Title","offer_id":42738405769303,"sku":"09-45502","price":409.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4928\/2135\/files\/0b67f48766253cef9ff04ae51ec9f3c2.png?v=1777575014"},{"product_id":"big-gun-07-14-kawasaki-kfx-450r-head-pipe","title":"13-45501 Big Gun 07-14 Kawasaki KFX 450R Head Pipe","description":"\u003cp\u003eBig Gun 07-14 Kawasaki KFX 450R Head Pipe is a motorcycle exhaust component for Kawasaki models listed in the title, built for riders who want a catalog-matched replacement or upgrade.\u003c\/p\u003e\n\u003cp\u003eEXO Series came from a realization of the need for a bigger and better muffler that could handle the huge demands of the larger, more powerful sport ATV motors. The EXO Series is our ground-up approach at just that. A unique hexagon shaped aluminum muffler and stainless steel coned inlet allow for significantly more volume, delivering a louder but tolerable deep sound while also decreasing heat. Precision-bent TIG welded 304 stainless steel head pipe 1 Year Limited Manufacturer's Warranty Increased horsepower and torque gains Larger diameter than stock head pipe Lighter than stock head pipe Handmade in the USA\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Big Gun\u003c\/li\u003e\n\u003cli\u003eProduct number: 13-45501, big13-45501\u003c\/li\u003e\n\u003cli\u003eCategory: motorcycle exhaust component\u003c\/li\u003e\n\u003cli\u003ePrecision-bent TIG welded 304 stainless steel head pipe\u003c\/li\u003e\n\u003cli\u003e1 Year Limited Manufacturer's Warranty\u003c\/li\u003e\n\u003cli\u003eIncreased horsepower and torque gains\u003c\/li\u003e\n\u003cli\u003eLarger diameter than stock head pipe\u003c\/li\u003e\n\u003cli\u003eLighter than stock head pipe\u003c\/li\u003e\n\u003cli\u003eHandmade in the USA\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 13-45501\u003c\/li\u003e\n\u003cli\u003eUnit: 1\u003c\/li\u003e\n\u003cli\u003eEPA: Testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm the SKU, selected variant, and vehicle fitment before ordering.\u003c\/p\u003e","brand":"Big Gun","offers":[{"title":"Default Title","offer_id":42738436440151,"sku":"13-45501","price":278.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4928\/2135\/files\/c68871ed7a1b63f2562bbcf4d0ad0657.png?v=1777575958"},{"product_id":"yoshimura-rs-2-premium-muffler-repack-kit","title":"Yoshimura RS-2 Premium Muffler Repack Kit","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2007-2025 Honda CRF150R B, 2003-2009 Honda CRF230F, 2011-2019 Honda CRF230F, 2019-2025 Honda CRF250F, 2010-2017 Honda CRF250X, 2025-2026 Honda CRF300F, 2006-2008 Honda CRF450R, and 2005-2017 Honda CRF450X and 17 more\u003c\/p\u003e\u003cp\u003eYoshimura RS-2 Premium Muffler Repack Kit is a exhaust accessory built for 2007-2025 Honda CRF150R B, 2003-2009 Honda CRF230F, 2011-2019 Honda CRF230F, 2019-2025 Honda CRF250F, 2010-2017 Honda CRF250X, 2025-2026 Honda CRF300F, 2006-2008 Honda CRF450R, and 2005-2017 Honda CRF450X and 17 more.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRS-2 series design.\u003c\/li\u003e\n\u003cli\u003eDesigned for 2007-2025 Honda CRF150R B, 2003-2009 Honda CRF230F, 2011-2019 Honda CRF230F, 2019-2025 Honda CRF250F, 2010-2017 Honda CRF250X, 2025-2026 Honda CRF300F, 2006-2008 Honda CRF450R, and 2005-2017 Honda CRF450X and 17 more.\u003c\/li\u003e\n\u003cli\u003eYoshimura part number REPACK-RS2-ADV.\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: REPACK-RS2-ADV.\u003c\/li\u003e\n\u003cli\u003eFitment: 2007-2025 Honda CRF150R B, 2003-2009 Honda CRF230F, 2011-2019 Honda CRF230F, 2019-2025 Honda CRF250F, 2010-2017 Honda CRF250X, 2025-2026 Honda CRF300F, 2006-2008 Honda CRF450R, and 2005-2017 Honda CRF450X and 17 more.\u003c\/li\u003e\n\u003cli\u003eReview local sound and emissions requirements before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConfirm your motorcycle year, make, model, and local emissions requirements before ordering.\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":44038933020759,"sku":"960-9976","price":55.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4928\/2135\/files\/REPACK-RS2-ADV-2048px.jpg?v=1784228832"},{"product_id":"yoshimura-sound-insert-kit-99db-rs-2-muffler-1-625-ins-07-k","title":"Yoshimura Sound Insert Kit 99db RS-2 Muffler, 1.625\" (INS-07-K)","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2007-2008 Honda CRF450R, 2005-2014 Honda CRF450X, 2008-2014 Kawasaki KFX450R, 2009-2020 Kawasaki KLX250S Sf, 2021-2026 Kawasaki KLX300R, 2021-2026 Kawasaki KLX300S Sm, 2008-2009 Kawasaki KLX450, and 2006-2008 Kawasaki KX450F and 5 more\u003c\/p\u003e\u003cp\u003eYoshimura Sound Insert Kit 99db RS-2 Muffler, 1.625\" (INS-07-K) is a exhaust accessory built for 2007-2008 Honda CRF450R, 2005-2014 Honda CRF450X, 2008-2014 Kawasaki KFX450R, 2009-2020 Kawasaki KLX250S Sf, 2021-2026 Kawasaki KLX300R, 2021-2026 Kawasaki KLX300S Sm, 2008-2009 Kawasaki KLX450, and 2006-2008 Kawasaki KX450F and 5 more.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRS-2 series design.\u003c\/li\u003e\n\u003cli\u003eDesigned for 2007-2008 Honda CRF450R, 2005-2014 Honda CRF450X, 2008-2014 Kawasaki KFX450R, 2009-2020 Kawasaki KLX250S Sf, 2021-2026 Kawasaki KLX300R, 2021-2026 Kawasaki KLX300S Sm, 2008-2009 Kawasaki KLX450, and 2006-2008 Kawasaki KX450F and 5 more.\u003c\/li\u003e\n\u003cli\u003eSpark arrestor information should be reviewed before riding off-road.\u003c\/li\u003e\n\u003cli\u003eYoshimura part number INS-07-K.\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: INS-07-K.\u003c\/li\u003e\n\u003cli\u003eFitment: 2007-2008 Honda CRF450R, 2005-2014 Honda CRF450X, 2008-2014 Kawasaki KFX450R, 2009-2020 Kawasaki KLX250S Sf, 2021-2026 Kawasaki KLX300R, 2021-2026 Kawasaki KLX300S Sm, 2008-2009 Kawasaki KLX450, and 2006-2008 Kawasaki KX450F and 5 more.\u003c\/li\u003e\n\u003cli\u003eReview local sound and emissions requirements before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConfirm your motorcycle year, make, model, and local emissions requirements before ordering.\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":44038954418263,"sku":"961-9100","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4928\/2135\/files\/INS-07-K_gray.jpg?v=1784229830"}],"url":"https:\/\/parts4motorcycles.com\/collections\/kawasaki-kfx450r-parts.oembed","provider":"Parts4Motorcycles","version":"1.0","type":"link"}