{"product_id":"carbon-fiber-rear-bumper-diffuser-cmst-style-audi-a4-s-line-s4-b10-2020-2024","title":"Carbon Fiber Rear Bumper Diffuser (CMST Style) for Audi A4 S Line \/ S4 (B10) (2020–2024)","description":"\u003cstyle\u003e.es-years-header,.es-years-cell{display:table-cell;}.es-years-mobile{display:none;}@media(max-width:620px){.es-years-header,.es-years-cell{display:none!important;}.es-years-mobile{display:block!important;font-size:13px;color:#666;margin-top:3px;}}\u003c\/style\u003e\n\n\u003cdiv style=\"max-width:920px;margin:0 auto;font-family:Arial,sans-serif;color:#1f1f1f;\"\u003e\n\n\u003cp style=\"font-size:18px;line-height:1.7;margin-bottom:18px;\"\u003e\nUpgrade the rear styling of your \u003cstrong\u003eAudi A4 S Line or Audi S4 (B10)\u003c\/strong\u003e with this premium \u003cstrong style=\"color:#0070f3;\"\u003eCarbon Fiber Rear Bumper Diffuser (CMST Style)\u003c\/strong\u003e. Designed to deliver an aggressive OEM+ appearance, this diffuser enhances the sporty character of your vehicle while maintaining factory-inspired fitment.\n\u003c\/p\u003e\n\n\u003cp style=\"font-size:18px;line-height:1.7;margin-bottom:28px;\"\u003e\nManufactured from high-quality carbon fiber, this lightweight rear diffuser offers exceptional strength, precise fitment, and a premium finish. It is the perfect exterior upgrade for enthusiasts looking to improve both aesthetics and aerodynamic styling.\n\u003c\/p\u003e\n\n\u003cdiv style=\"height:1px;background:#d9d9d9;margin:30px 0;\"\u003e\u003c\/div\u003e\n\n\u003ch3 style=\"font-size:20px;letter-spacing:1px;text-transform:uppercase;margin:0 0 8px;color:#111;\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv style=\"width:52px;height:3px;background:#0070f3;margin-bottom:20px;\"\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin-bottom:30px;\"\u003e\n\n\u003cdiv style=\"border:1px solid #dedede;border-radius:10px;padding:18px;background:#fafafa;\"\u003e\n\u003cp style=\"font-size:12px;letter-spacing:1.8px;text-transform:uppercase;color:#0070f3;margin:0 0 8px;font-weight:bold;\"\u003ePremium Carbon Fiber\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.7;margin:0;\"\u003eConstructed from \u003cstrong\u003ehigh-quality carbon fiber\u003c\/strong\u003e for lightweight durability and premium appearance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border:1px solid #dedede;border-radius:10px;padding:18px;background:#fafafa;\"\u003e\n\u003cp style=\"font-size:12px;letter-spacing:1.8px;text-transform:uppercase;color:#0070f3;margin:0 0 8px;font-weight:bold;\"\u003eCMST Style\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.7;margin:0;\"\u003e\u003cstrong\u003eCMST-inspired design\u003c\/strong\u003e delivers an aggressive, performance-focused rear appearance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border:1px solid #dedede;border-radius:10px;padding:18px;background:#fafafa;\"\u003e\n\u003cp style=\"font-size:12px;letter-spacing:1.8px;text-transform:uppercase;color:#0070f3;margin:0 0 8px;font-weight:bold;\"\u003eOEM+ Fitment\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.7;margin:0;\"\u003eEngineered for \u003cstrong\u003eprecise fitment\u003c\/strong\u003e using factory mounting locations.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border:1px solid #dedede;border-radius:10px;padding:18px;background:#fafafa;\"\u003e\n\u003cp style=\"font-size:12px;letter-spacing:1.8px;text-transform:uppercase;color:#0070f3;margin:0 0 8px;font-weight:bold;\"\u003eRear Styling\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.7;margin:0;\"\u003eTransforms the rear bumper with a \u003cstrong\u003emore aggressive and aerodynamic\u003c\/strong\u003e appearance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border:1px solid #dedede;border-radius:10px;padding:18px;background:#fafafa;\"\u003e\n\u003cp style=\"font-size:12px;letter-spacing:1.8px;text-transform:uppercase;color:#0070f3;margin:0 0 8px;font-weight:bold;\"\u003eLightweight Construction\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.7;margin:0;\"\u003eCarbon fiber construction helps reduce weight while maintaining excellent rigidity.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border:1px solid #dedede;border-radius:10px;padding:18px;background:#fafafa;\"\u003e\n\u003cp style=\"font-size:12px;letter-spacing:1.8px;text-transform:uppercase;color:#0070f3;margin:0 0 8px;font-weight:bold;\"\u003eDirect Upgrade\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.7;margin:0;\"\u003ePerfect for owners looking for a premium \u003cstrong\u003eOEM+ exterior enhancement\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv style=\"height:1px;background:#d9d9d9;margin:30px 0;\"\u003e\u003c\/div\u003e\n\n\u003ch3 style=\"font-size:20px;letter-spacing:1px;text-transform:uppercase;margin:0 0 8px;color:#111;\"\u003eVehicle Compatibility\u003c\/h3\u003e\n\n\u003cdiv style=\"width:52px;height:3px;background:#0070f3;margin-bottom:18px;\"\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"border:1px solid #d8d8d8;border-radius:10px;overflow:hidden;margin-bottom:30px;background:#fafafa;\"\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:15px;\"\u003e\n\n\u003cthead\u003e\n\u003ctr style=\"background:#f2f2f2;\"\u003e\n\u003cth style=\"padding:14px;text-align:left;color:#555;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;border-bottom:1px solid #d8d8d8;\"\u003eModel\u003c\/th\u003e\n\u003cth class=\"es-years-header\" style=\"padding:14px;text-align:left;color:#555;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;border-bottom:1px solid #d8d8d8;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding:14px;text-align:left;color:#555;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;border-bottom:1px solid #d8d8d8;\"\u003eCompatible Trims\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:16px 14px;\"\u003e\n\u003cstrong\u003eAudi A4 (B10) \/ Audi S4 (B10)\u003c\/strong\u003e\n\u003cspan class=\"es-years-mobile\"\u003e2020-2024\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"es-years-cell\" style=\"padding:16px 14px;\"\u003e2020-2024\u003c\/td\u003e\n\u003ctd style=\"padding:16px 14px;color:#444;\"\u003eA4 S Line, S4\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\u003cp style=\"margin:0;padding:14px;font-size:14px;color:#666;border-top:1px solid #e5e5e5;\"\u003e\nPlease verify your vehicle's bumper style before ordering to ensure proper compatibility.\n\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv style=\"height:1px;background:#d9d9d9;margin:30px 0;\"\u003e\u003c\/div\u003e\n\n\u003ch3 style=\"font-size:20px;letter-spacing:1px;text-transform:uppercase;margin:0 0 8px;color:#111;\"\u003eWhat's Included\u003c\/h3\u003e\n\n\u003cdiv style=\"width:52px;height:3px;background:#0070f3;margin-bottom:18px;\"\u003e\u003c\/div\u003e\n\n\u003cul style=\"padding-left:20px;margin-bottom:30px;font-size:16px;line-height:1.8;\"\u003e\n\u003cli\u003e1× Carbon Fiber Rear Bumper Diffuser (CMST Style)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"height:1px;background:#d9d9d9;margin:30px 0;\"\u003e\u003c\/div\u003e\n\n\u003ch3 style=\"font-size:20px;letter-spacing:1px;text-transform:uppercase;margin:0 0 8px;color:#111;\"\u003eAvailability \u0026amp; Shipping\u003c\/h3\u003e\n\n\u003cdiv style=\"width:52px;height:3px;background:#0070f3;margin-bottom:18px;\"\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"border:1px solid #dedede;border-radius:10px;padding:18px;background:#fafafa;margin-bottom:18px;\"\u003e\u003cp style=\"font-size:15px;line-height:1.7;margin:0;color:#555;\"\u003eIn stock — orders are typically processed and dispatched within \u003cstrong\u003e1–3 business days\u003c\/strong\u003e. Estimated delivery: \u003cstrong\u003e5–10 business days\u003c\/strong\u003e, with tracking provided once your order ships. Free shipping worldwide.\u003c\/p\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"height:1px;background:#d9d9d9;margin:30px 0;\"\u003e\u003c\/div\u003e\n\n\u003ch3 style=\"font-size:20px;letter-spacing:1px;text-transform:uppercase;margin:0 0 8px;color:#111;\"\u003eShipInsure Package Protection\u003c\/h3\u003e\n\n\u003cdiv style=\"width:52px;height:3px;background:#0070f3;margin-bottom:18px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"font-size:16px;line-height:1.8;\"\u003e\nProtect your order with ShipInsure Package Protection for added peace of mind against loss, theft, or shipping damage during transit.\n Free shipping worldwide.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"EuroSpeed","offers":[{"title":"Default Title","offer_id":52647240073503,"sku":null,"price":500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/7340\/1631\/files\/download-2026-06-30T202436.352.jpg?v=1782833380","url":"https:\/\/eurospeed.co\/it\/products\/carbon-fiber-rear-bumper-diffuser-cmst-style-audi-a4-s-line-s4-b10-2020-2024","provider":"EuroSpeed","version":"1.0","type":"link"}