{"product_id":"copy-of-2017-2018-audi-b9-a4-s4-md-style-carbon-fiber-trunk-spoiler","title":"Audi B9 A4 S4 MD Style Carbon Fiber Rear Lip Diffuser 2017-2018","description":"\u003cp\u003eEnhance the rear styling and aerodynamic performance of your 2017-2018 Audi B9 A4 Sport or S4 with this MD Style carbon fiber rear lip diffuser. Designed to deliver a more aggressive and performance-inspired rear profile, this diffuser adds depth and definition to the lower bumper while maintaining a clean OEM+ appearance.\u003c\/p\u003e\n\n\u003cp\u003ePrecision-engineered for the Audi B9 platform, this rear diffuser is designed as a direct replacement component, utilizing the original mounting points for a seamless and secure fit. The MD styling improves rear-end presence and complements the sporty design of the A4 and S4 models.\u003c\/p\u003e\n\n\u003cp\u003eConstructed from high-quality carbon fiber, this rear diffuser offers lightweight durability, structural strength, and a premium finish. Available in multiple carbon fiber options, it is ideal for daily driving, performance builds, and show-quality vehicles seeking an upgraded exterior appearance.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; max-width:650px; border-collapse:collapse; border:1px solid #e5e5e5;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eVehicle\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eAudi A4 \/ S4\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eChassis\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eB9\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eModel Years\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003e2017-2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eRear Lip Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eStyle\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eMD Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eMaterial Options\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eCarbon Fiber Reinforced Polymer (CFRP) \/ Forged Carbon Fiber (FGCF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eInstallation\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eReplacement Using Original Screw Holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDesigned for 2017-2018 Audi B9 A4 Sport and S4 models\u003c\/li\u003e\n\u003cli\u003eMD Style rear diffuser for enhanced sporty rear-end styling\u003c\/li\u003e\n\u003cli\u003eDirect replacement design utilizing original mounting points\u003c\/li\u003e\n\u003cli\u003eCarbon fiber construction for lightweight durability and strength\u003c\/li\u003e\n\u003cli\u003eAvailable in CFRP and forged carbon fiber finishes\u003c\/li\u003e\n\u003cli\u003ePrecision fitment aligned with factory rear bumper mounting points\u003c\/li\u003e\n\u003cli\u003eEnhances rear aerodynamics and airflow management\u003c\/li\u003e\n\u003cli\u003eImproves lower bumper definition and aggressive styling\u003c\/li\u003e\n\u003cli\u003eMaintains OEM+ fit and clean body line integration\u003c\/li\u003e\n\u003cli\u003eSuitable for daily driving, performance builds, and show vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eConfiguration Options\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCFRP\u003c\/strong\u003e – Traditional carbon fiber weave with a glossy finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged Carbon Fiber (FGCF)\u003c\/strong\u003e – Distinct marbled carbon pattern for a modern performance look\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eRear lip diffuser\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Products marked as PRE-ORDER require production prior to shipping. Air shipping ETA is approximately 5–6 weeks, while container shipping ETA is approximately 3–4 months. Delivery times may vary depending on production schedules.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDirect replacement installation\u003c\/li\u003e\n\u003cli\u003eUses original factory screw holes\u003c\/li\u003e\n\u003cli\u003eNo drilling required\u003c\/li\u003e\n\u003cli\u003eNo permanent modification required\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e2017-2018 Audi A4 B9 Sport\u003c\/li\u003e\n\u003cli\u003e2017-2018 Audi S4 B9\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Darwin Pro","offers":[{"title":"CFRP – Carbon Fiber Reinforced Polymer - Pre-Order","offer_id":54084304240915,"sku":"CFS4-OD-MD-RL","price":1084.95,"currency_code":"USD","in_stock":true},{"title":"FGCF – Forged Gloss Carbon Fiber - Pre-Order","offer_id":54084304273683,"sku":"FGCFS4-OD-MD-RL","price":1404.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/8486\/4053\/files\/23_6b05fb91-0abd-4591-8e6e-8232b002f58b.jpg?v=1776200766","url":"https:\/\/bayoptiks.com\/products\/copy-of-2017-2018-audi-b9-a4-s4-md-style-carbon-fiber-trunk-spoiler","provider":"Bayoptiks","version":"1.0","type":"link"}