{"product_id":"2026-model-y-juniper-performance-model-colossal-full-rear-diffuser-replacement-real-dry-molded-carbon-fiber","title":"2026+ | Model Y Juniper Performance Model Colossal Full Rear Diffuser Replacement - Real Dry Molded Carbon Fiber","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eReleased 09\/14\/2026 - Preorder Sale\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eImportant Note:   \u003c\/b\u003e\u003cb\u003e\u003c\/b\u003eOrders placed for this item today or in the near future will incur a shipping delay of 4 to 8 weeks.\u003c\/p\u003e\n\u003cp\u003eIn response to the high demand from performance enthusiasts, RPM has decided to accept preorders and commence production of this replacement diffuser in both glossy and matte finishes. We anticipate a surge in orders, and after the initial 30 to 45 days, we will update our lead times accordingly.\u003cspan class=\"Apple-converted-space\"\u003e   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhile our dry molded production process is slow, it yields the best results in terms of strength, longevity, and carbon fiber appearance. This truly is a limited edition product because of the extended manufacturing process, but it also makes it very exclusive.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(224, 31, 31); text-decoration: underline;\"\u003eVehicle Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(224, 31, 31);\"\u003e   ONLY FITS: 2026+ Tesla Model Y Performance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDOES NOT FIT:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2026+ Model Y Premium \/ Long Range\u003c\/li\u003e\n\u003cli\u003e2026+ Model Y Standard\u003c\/li\u003e\n\u003cli\u003e2020–2025 Model Y\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe are incredibly proud to be the \u003cstrong\u003efirst company to release a true dry molded carbon fiber full rear diffuser replacement specifically for the 2026+ Model Y Performance\u003c\/strong\u003e. Rather than simply covering portions of the factory plastic with small overlays, our \u003cstrong\u003eColossal Rear Diffuser completely replaces the OEM lower diffuser\u003c\/strong\u003e, transforming the entire lower rear bumper into a premium carbon fiber centerpiece.\u003c\/p\u003e\n\u003cp\u003eEach diffuser is manufactured from \u003cstrong\u003eprepreg carbon fiber using an autoclave curing process\u003c\/strong\u003e, resulting in exceptional strength, rigidity, low weight, and outstanding carbon fiber weave clarity. This is a true replacement component engineered to integrate with the factory Model Y Performance bumper for a clean, OEM+ appearance.\u003c\/p\u003e\n\u003cp\u003eThe finished result dramatically changes the rear profile of the Model Y Performance, replacing the large amount of factory black plastic with \u003cstrong\u003ereal molded carbon fiber\u003c\/strong\u003e and giving the vehicle a much wider, lower, and more aggressive appearance.\u003c\/p\u003e\n\u003cp\u003eFull Replacement – Not an Overlay\u003c\/p\u003e\n\u003cp\u003eThe Colossal Diffuser is a \u003cstrong\u003ecomplete replacement for the factory rear diffuser\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe OEM diffuser is removed and replaced with our dry molded carbon fiber assembly, allowing the carbon fiber to become part of the bumper rather than simply being attached over the existing plastic.\u003c\/p\u003e\n\u003cp\u003eThis provides a much cleaner and more integrated appearance than traditional overlay-style carbon fiber products.\u003c\/p\u003e\n\u003cp\u003eReal Prepreg Dry Molded Carbon Fiber\u003c\/p\u003e\n\u003cp\u003eEvery diffuser is produced using an advanced \u003cstrong\u003edry molded autoclave manufacturing process\u003c\/strong\u003e with multiple layers of premium prepreg carbon fiber.\u003c\/p\u003e\n\u003cp\u003eThis construction provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExceptional rigidity and strength\u003c\/li\u003e\n\u003cli\u003eLightweight construction\u003c\/li\u003e\n\u003cli\u003eConsistent \u003cstrong\u003e2x2 twill carbon fiber weave\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMinimal excess resin\u003c\/li\u003e\n\u003cli\u003eExcellent weave clarity\u003c\/li\u003e\n\u003cli\u003ePremium OEM-level surface finish\u003c\/li\u003e\n\u003cli\u003eLong-term durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAvailable in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eGloss 2x2 Dry Molded Carbon Fiber\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMatte 2x2 Dry Molded Carbon Fiber\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eColossal Performance Design\u003c\/p\u003e\n\u003cp\u003eThe diffuser was designed specifically to complement the more aggressive styling of the \u003cstrong\u003eModel Y Performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts oversized Colossal profile completely reshapes the lower rear bumper while incorporating aggressive aerodynamic styling and multiple vertical diffuser fins.\u003c\/p\u003e\n\u003cp\u003eThe result is a rear end that looks significantly wider, lower, and more performance-focused while maintaining the factory body lines of the Juniper Performance.\u003c\/p\u003e\n\u003ch3\u003eRetains Factory Lighting\u003c\/h3\u003e\n\u003cp\u003eThe diffuser is engineered around the factory rear lighting components so you can maintain OEM functionality.\u003c\/p\u003e\n\u003cp\u003eIt retains:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eRear reflectors\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFactory Hazard lights\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eReverse lights\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLicense plate lights\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKey Features\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned \u003cstrong\u003eexclusively for the 2026+ Model Y Performance\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOne of the first \u003cstrong\u003etrue full-replacement dry carbon fiber diffusers\u003c\/strong\u003e for the Juniper Performance\u003c\/li\u003e\n\u003cli\u003eCompletely replaces the OEM black plastic lower diffuser\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNot an overlay\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eReal \u003cstrong\u003eprepreg dry molded carbon fiber\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufactured using an \u003cstrong\u003eautoclave curing process\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePremium \u003cstrong\u003e2x2 twill weave\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvailable in \u003cstrong\u003eGloss or Matte\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAggressive oversized \u003cstrong\u003eColossal design\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated vertical diffuser fins\u003c\/li\u003e\n\u003cli\u003eLightweight and extremely rigid construction\u003c\/li\u003e\n\u003cli\u003eOEM-inspired fit and integration\u003c\/li\u003e\n\u003cli\u003eRetains factory rear lighting components\u003c\/li\u003e\n\u003cli\u003eDesigned to pair with our Model Y Performance carbon fiber front lip, side skirts, and rear spoiler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImportant Tow Hitch Note\u003c\/p\u003e\n\u003cp\u003eBecause this is a \u003cstrong\u003efull replacement rear diffuser\u003c\/strong\u003e, installation removes access to the factory tow hitch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFactory towing functionality will no longer be accessible once the Colossal Diffuser is installed.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhat's Included\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e(1) Colossal Full Rear Diffuser Replacement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eReal Dry Molded Carbon Fiber\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation\u003c\/p\u003e\n\u003cp\u003eThis diffuser is designed as a \u003cstrong\u003ecomplete replacement for the factory lower rear diffuser\u003c\/strong\u003e. The OEM diffuser is removed and the Colossal Carbon Fiber Diffuser installs in its place using the vehicle's existing mounting locations and required hardware.\u003c\/p\u003e\n\u003cp\u003ePlease watch our complete \u003cstrong\u003eDemo \/ Installation Video\u003c\/strong\u003e below before installation:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Frank","offers":[{"title":"Glossy","offer_id":47734627106870,"sku":null,"price":2570.0,"currency_code":"USD","in_stock":true},{"title":"Matte","offer_id":47734627139638,"sku":null,"price":2570.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/2195\/8971\/files\/IMG_0578_fd7d8fd3-9cea-4a95-b288-9f96041bc0f4.jpg?v=1789436011","url":"https:\/\/www.rpmtesla.com\/products\/2026-model-y-juniper-performance-model-colossal-full-rear-diffuser-replacement-real-dry-molded-carbon-fiber","provider":"RPM TESLA Aftermarket Accessories","version":"1.0","type":"link"}