{"product_id":"2015-2021-subaru-wrx-sti-carbon-creations-empire-rear-diffuser-1-piece-s","title":"Extreme Dimensions Carbon Creations Empire Rear Diffuser 15-21 WRX STI","description":"\u003ch3\u003eExtreme Dimensions Carbon Creations Empire Rear Diffuser 15-21 Subaru WRX STI - Gloss Carbon Fiber | Gloss Carbon Fiber Finish | Rear Diffuser\u003c\/h3\u003e\n\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe Extreme Dimensions Carbon Creations Empire Rear Diffuser is a precision-engineered aerodynamic upgrade designed specifically for the 2015-2021 Subaru WRX STI. Crafted from high-quality 2x2 twill weave carbon fiber, this one-piece diffuser enhances the rear-end aerodynamics by managing airflow more efficiently under the vehicle. It is ideal for Subaru enthusiasts looking to improve both the visual appeal and functional performance of their WRX STI with a lightweight, track-proven component.\u003c\/p\u003e\n\u003cp\u003eBuilt with a focus on strength and durability, this diffuser features a premium gloss finish with UV protectant to maintain its appearance over time. The design incorporates a weather-resistant aluminum mesh grille where applicable, adding both protection and style. Extreme Dimensions applies modified aerodynamics principles to ensure that this diffuser not only looks aggressive but also contributes to improved rear downforce and stability at higher speeds.\u003c\/p\u003e\n\u003cp\u003eFor Subaru WRX STI owners, this diffuser offers a significant weight reduction—up to 70% lighter than the OEM factory part—helping to reduce overall vehicle weight and improve handling responsiveness. The combination of carbon fiber construction and aerodynamic refinement makes this diffuser a practical upgrade for street and track use, enhancing the driving experience while maintaining OEM+ quality standards.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures \u0026amp; Specifications\u003c\/h4\u003e\n\u003cp\u003eThis Extreme Dimensions Carbon Creations Empire Rear Diffuser is engineered for the 2015-2021 Subaru WRX STI and features a premium gloss 2x2 twill weave carbon fiber construction. Designed to be up to 70% lighter than OEM parts, it delivers enhanced aerodynamic performance and visual impact for Subaru enthusiasts seeking a high-quality rear diffuser upgrade.\u003c\/p\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Extreme Dimensions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Carbon Creations Empire Rear Diffuser\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 117941\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 2015-2021 Subaru WRX STI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 2x2 Twill Weave Carbon Fiber\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Premium Gloss with UV Protectant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e One-piece molded carbon fiber\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight Reduction:\u003c\/strong\u003e Up to 70% lighter than OEM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdditional Features:\u003c\/strong\u003e Weather-resistant aluminum mesh grille (where applicable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eKey Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAerodynamics:\u003c\/strong\u003e Improves rear downforce and airflow management for enhanced high-speed stability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight Savings:\u003c\/strong\u003e Significantly lighter than OEM, contributing to better handling and responsiveness.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Carbon fiber construction with UV protectant finish ensures long-lasting performance and appearance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed specifically for the 2015-2021 WRX STI for a seamless OEM+ installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Integrated aluminum mesh grille offers weather resistance and debris protection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAesthetics:\u003c\/strong\u003e Gloss carbon fiber weave adds a premium, aggressive look that complements Subaru’s sporty design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Extreme Dimensions Carbon Creations Empire Rear Diffuser (1-piece)\u003c\/li\u003e\n  \u003cli\u003eWeather-resistant aluminum mesh grille (installed where applicable)\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp\u003eInstallation of the Extreme Dimensions Empire Rear Diffuser is generally straightforward for those with basic automotive experience, as it is designed to bolt directly onto the 2015-2021 Subaru WRX STI without modification. No special tools beyond standard hand tools are typically required. Professional installation is recommended for optimal fitment and finish, especially to ensure proper alignment and secure mounting. This diffuser is a direct replacement for the factory rear diffuser and does not require tuning or additional modifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Recommended for best results\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModifications Required:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify Compatibility:\u003c\/strong\u003e Confirm fitment for your specific 2015-2021 WRX STI model year and trim\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eShop with confidence at Subimods—your Subaru parts specialists.\u003c\/p\u003e","brand":"Extreme Dimensions","offers":[{"title":"Default Title","offer_id":46708192706735,"sku":"117941","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/3598\/4815\/files\/extreme-dimensions-carbon-creations-empire-rear-diffuser-15-21-subaru-wrx-sti-gloss-carbon-fiber-117941-2718285.jpg?v=1775138235","url":"https:\/\/subimods.com\/products\/2015-2021-subaru-wrx-sti-carbon-creations-empire-rear-diffuser-1-piece-s","provider":"Subimods.com","version":"1.0","type":"link"}