{"product_id":"2015-2021-subaru-wrx-sti-v1-diffuser","title":"2015-2021 Subaru WRX\/STI V1 Diffuser","description":"\u003carticle dir=\"auto\" class=\"text-token-text-primary w-full\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @[37rem]:[--thread-content-margin:--spacing(6)] @[72rem]:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:32rem] @[34rem]:[--thread-content-max-width:40rem] @[64rem]:[--thread-content-max-width:48rem] mx-auto flex max-w-(--thread-content-max-width) flex-1 text-base gap-4 md:gap-5 lg:gap-6 group\/turn-messages focus-visible:outline-hidden\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"relative flex-col gap-1 md:gap-3\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-5\" dir=\"auto\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words dark\"\u003e\n\u003cp\u003eDesigned for the \u003cstrong\u003e2015–2021 Subaru WRX \/ STI\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e🔧 \u003cstrong\u003eDirect Fitment\u003c\/strong\u003e\u003cbr\u003eSpecifically designed for a clean, bolt-on fit to the OEM rear bumper of all 2015–2021 WRX and STI models—no modifications needed.\u003c\/p\u003e\n\u003cp\u003e🛠️ \u003cstrong\u003eMaterial\u003c\/strong\u003e\u003cbr\u003eCrafted from aerospace-grade lightweight aluminum, offering unmatched strength and durability for street or track use.\u003c\/p\u003e\n\u003cp\u003e⚙️ \u003cstrong\u003eFinish \u0026amp; Build Quality\u003c\/strong\u003e\u003cbr\u003eFully CNC’d and professionally powder coated in gloss black. Pre-drilled mounting points ensure an efficient and accurate installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003cbr\u003eExpertly manufactured in the United States with precision and pride.\u003c\/p\u003e\n\u003cp\u003e🧰 \u003cstrong\u003eInstall-Friendly\u003c\/strong\u003e\u003cbr\u003eIncludes all necessary hardware for a complete install.\u003cbr\u003eProfessional installation is highly recommended.\u003c\/p\u003e\n\u003cp\u003e💨 \u003cstrong\u003eWhy Add a Rear Diffuser to Your WRX\/STI?\u003c\/strong\u003e\u003cbr\u003eThis diffuser enhances your vehicle’s aerodynamics by managing underbody airflow and reducing drag. The aggressive design also gives your WRX\/STI a bold, race-ready look that turns heads wherever you go.\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eCNC-cut aero components are produced per order and require material allocation and machine programming.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTypical Lead Time: 3-5 weeks\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCNC items may be canceled within 48 hours\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAfter 48 hours: \u003c\/span\u003e\u003cspan\u003eOrders become FINAL SALE\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cb id=\"docs-internal-guid-3f797edf-7fff-5d1c-dbcf-55492d6395ea\"\u003e\u003cspan\u003eAny cancellation request will be subject to a restocking fee due to production preparation already in progress.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aria-live=polite absolute\"\u003e\n\u003cdiv class=\"flex items-center justify-center\"\u003e\u003cbutton class=\"text-token-text-secondary hover:bg-token-bg-secondary rounded-lg\"\u003e\u003cspan class=\"touch:w-10 flex h-8 w-8 items-center justify-center\"\u003e\u003csvg class=\"icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"currentColor\" viewbox=\"0 0 20 20\" height=\"20\" width=\"20\"\u003e\u003cpath d=\"M12.668 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