{"product_id":"2015-2021-subaru-wrx-sti-carbon-creations-c-speed-style-rear-diffuser-1-piece","title":"Extreme Dimensions Carbon Creations C Speed Style Rear Diffuser 15-21 WRX STI","description":"\u003ch3\u003eExtreme Dimensions Carbon Creations C Speed Style Rear Diffuser 15-21 Subaru WRX STI - Gloss Carbon Fiber | Lightweight 2x2 Twill Carbon | Rear Diffuser\u003c\/h3\u003e\n\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe Extreme Dimensions Carbon Creations C Speed Style Rear Diffuser is a precision-engineered aerodynamic upgrade designed specifically for the 2015-2021 Subaru WRX STI. Crafted from premium 2x2 twill weave carbon fiber, this one-piece diffuser enhances the rear-end aerodynamics while adding a striking visual upgrade. It is ideal for Subaru enthusiasts seeking to improve both the performance and aesthetics of their WRX STI with a lightweight, track-proven component.\u003c\/p\u003e\n\u003cp\u003eBuilt with a focus on durability and style, this diffuser features a high-gloss finish with UV protectant to maintain its appearance under harsh sunlight and environmental exposure. The design incorporates a weather-resistant aluminum mesh grille where applicable, providing both functional airflow management and protection. Extreme Dimensions is known for delivering quality aftermarket aero parts that blend form and function, making this diffuser a standout choice for Subaru owners who demand OEM+ quality with a motorsport edge.\u003c\/p\u003e\n\u003cp\u003eBy replacing the heavier factory diffuser with this carbon fiber alternative, Subaru WRX STI owners benefit from up to 70% weight savings, contributing to improved vehicle dynamics and responsiveness. The modified aerodynamics help reduce rear lift and enhance stability at higher speeds, making it a practical upgrade for spirited driving and track use. This diffuser complements the aggressive styling of the WRX STI while delivering tangible performance advantages.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures \u0026amp; Specifications\u003c\/h4\u003e\n\u003cp\u003eThis Extreme Dimensions Carbon Creations C Speed Style Rear Diffuser is engineered for the 2015-2021 Subaru WRX STI and features a lightweight 2x2 twill weave carbon fiber construction. Constructed from premium carbon fiber with a gloss finish, it delivers significant weight reduction and aerodynamic benefits for Subaru enthusiasts seeking enhanced rear-end performance and style.\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 C Speed Style Rear Diffuser\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 115142\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 Savings:\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\u003ePerformance:\u003c\/strong\u003e Reduces rear lift and improves high-speed stability through enhanced aerodynamic design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight Savings:\u003c\/strong\u003e Up to 70% lighter than the factory diffuser, contributing to better vehicle responsiveness and handling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Precision fitment tailored for 2015-2021 WRX STI ensures seamless integration without modification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e UV protectant gloss finish and weather-resistant mesh provide long-lasting resistance to environmental damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAesthetics:\u003c\/strong\u003e Gloss carbon fiber weave adds a premium, aggressive look that complements the WRX STI’s sporty styling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality:\u003c\/strong\u003e Molded carbon fiber construction delivers track-proven strength and performance.\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 C Speed Style Rear Diffuser\u003c\/li\u003e\n  \u003cli\u003eWeather-resistant aluminum mesh grille (installed or included 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 Carbon Creations C Speed Style Rear Diffuser is generally straightforward for those with basic automotive experience, as it is designed for direct bolt-on fitment to the 2015-2021 Subaru WRX STI. No special tools beyond standard hand tools are typically required. Professional installation is recommended to ensure proper alignment and secure mounting, especially to maintain the integrity of the carbon fiber finish. This diffuser does not require any vehicle modifications or tuning adjustments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Recommended\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 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":46708192641199,"sku":"115142","price":329.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/3598\/4815\/files\/extreme-dimensions-carbon-creations-c-speed-style-rear-diffuser-15-21-subaru-wrx-sti-gloss-carbon-fiber-115142-7591840.jpg?v=1775138236","url":"https:\/\/subimods.com\/products\/2015-2021-subaru-wrx-sti-carbon-creations-c-speed-style-rear-diffuser-1-piece","provider":"Subimods.com","version":"1.0","type":"link"}