{"product":{"id":11454615519574,"title":"2021-2026 BMW G82 G83 M4 Dry Gloss Double Sided Carbon Fiber Type-F1 Shark Fins Rear Diffuser","body_html":"\u003ch2\u003eFeatures and construction\u003c\/h2\u003e \u003cp\u003eInspired by Formula 1 aerodynamics, this premium rear diffuser enhances the aggressive styling of your M4 while improving airflow beneath the vehicle to help reduce turbulence and increase rear-end stability at higher speeds.\u003c\/p\u003e \u003cp\u003eManufactured using pre-preg double-sided dry carbon fiber and precision CNC-molded tooling , this rear diffuser delivers exceptional strength, lightweight performance, and OEM-quality fitment. The double-sided dry carbon fiber construction features a flawless carbon fiber weave on both the front and backside, ensuring a premium finish from every angle.\u003c\/p\u003e \u003cp\u003eThe aggressive Type-F1 Shark Fin design helps optimize underbody airflow while giving your BMW G82 Coupe or G83 Convertible an unmistakable motorsport-inspired appearance. Integrated into the diffuser is an F1-style LED rear fog\/brake light , adding both style and functionality to your build. The LED light can be spliced into a positive and negative power source , allowing it to be wired as a running light, brake light, or custom lighting application based on your installation preferences.\u003c\/p\u003e \u003cp\u003eFinished with a UV-resistant high-gloss clear coat, this diffuser is engineered to withstand daily driving, spirited performance, and show-quality builds while maintaining its deep carbon fiber finish.\u003c\/p\u003e \u003cp\u003eWhether you're building a street-focused M4 or a track-inspired project, the Auto Addict USA Type-F1 Shark Fins Rear Diffuser offers the perfect combination of lightweight performance, premium craftsmanship, and functional aerodynamics.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufactured by Auto Addict USA\u003c\/li\u003e \u003cli\u003ePremium pre-preg double-sided dry carbon fiber construction\u003c\/li\u003e \u003cli\u003ePrecision CNC-molded for superior OEM-style fitment\u003c\/li\u003e \u003cli\u003eLightweight, high-strength design\u003c\/li\u003e \u003cli\u003eUV-resistant high-gloss clear coat\u003c\/li\u003e \u003cli\u003eFormula 1-inspired Shark Fin aerodynamic design\u003c\/li\u003e \u003cli\u003eHelps improve underbody airflow and rear-end aerodynamic efficiency\u003c\/li\u003e \u003cli\u003eIntegrated F1-style LED rear fog\/brake light\u003c\/li\u003e \u003cli\u003eF1 LED light can be spliced into a positive and negative power source for custom wiring applications\u003c\/li\u003e \u003cli\u003eDouble-sided carbon fiber finish for a premium appearance\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eComplete your BMW G82\/G83 M4 with the premium craftsmanship of Auto Addict USA and experience the perfect combination of luxury styling, lightweight dry carbon fiber construction, and race-inspired aerodynamic performance.\u003c\/p\u003e \u003ch2\u003eTuning for your build\u003c\/h2\u003e \u003cp\u003eIf tuning is part of your plans, \u003ca href=\"\/pages\/contact\"\u003etalk to Hoonies about the options for your car\u003c\/a\u003e. Tuning is a separate service; fitting this part does not include a tune or guarantee a power gain.\u003c\/p\u003e \u003ch2\u003eFitting and care\u003c\/h2\u003e \u003cp\u003eDirect installation utilizing factory mounting locations\u003c\/p\u003e \u003ch2\u003eSpecifications and fitment\u003c\/h2\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eSKU\u003c\/th\u003e \u003cth\u003eVehicle or component application\u003c\/th\u003e \u003cth\u003eFitting requirements\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eAA_G80_JC_HD408_PRO\u003c\/td\u003e \u003ctd\u003e2021–2026 BMW M4 G82\u003cbr\u003e 2021–2026 BMW M4 G83 Convertible\u003c\/td\u003e \u003ctd\u003eCheck the component details and original equipment before fitting.\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eDelivery\u003c\/h2\u003e \u003cp\u003eDelivery is quoted for this product. Contact Hoonies for a delivery quote and confirmation of availability before ordering.\u003c\/p\u003e","vendor":"Auto Addict USA","product_type":"Rear Diffusers","created_at":"2026-11-08T20:20:08+00:00","handle":"auto-addict-2021-2026-bmw-g82-g83-m4-dry-gloss-double-sided-carbon-fiber-type-f1-shark-fins-rear-diffuser","updated_at":"2026-11-12T07:32:52+00:00","published_at":"2026-11-10T06:36:29+00:00","template_suffix":null,"published_scope":"web","tags":"brand:auto-addict-usa, cat:bodywork-aero, dept:vehicle-accessories, fits:bmw-m4, make:bmw, type:rear-diffuser","variants":[{"id":56554413850966,"product_id":11454615519574,"title":"Default Title","price":"1802.52","sku":"AA_G80_JC_HD408_PRO","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Default 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