{"product_id":"b8-5-carbon-fiber-rear-vertical-led-diffuser-v4-cap-d-058","title":"B8.5 Carbon Fiber Rear Vertical LED Diffuser V4 | Audi B8.5 A4 S-Line, S4 | Canadian Auto Performance","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eCarbon Fiber Rear Diffuser V4 – Vertical LED | For 2013–2016 Audi A4 S-Line \/ S4 (B8.5) Introducing the highly anticipated V4 Carbon Fiber Diffuser , a 2025 release from Can Auto Performance — now featuring our signature vertical LED brake light . This updated version delivers refined styling and elevated performance looks, combining high-grade carbon fiber craftsmanship with bold, distinctive detail for the B8.5 Audi A4\/S4.\u003c\/p\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBuilding on the success of our V1, V2, and V3 models, the V4 takes styling and functionality to the next level.\u003c\/li\u003e\n\u003cli\u003eWhile the V1 diffuser featured a bold, aggressive look and the V2 offered a more refined, subtle design , the V4 strikes the perfect balance with enhanced contours and an integrated vertical LED brake light — a first in our diffuser lineup.\u003c\/li\u003e\n\u003cli\u003eCrafted from high-quality hand-laid carbon fiber, the V4 is engineered to stand out.\u003c\/li\u003e\n\u003cli\u003eWiring Instructions Red is the live wire.\u003c\/li\u003e\n\u003cli\u003eBlack is the ground wire.\u003c\/li\u003e\n\u003cli\u003eYellow is the brake light wire.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Notes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eThis does not fit the B8.5 A4 Non S-Line\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e","brand":"Canadian Auto Performance","offers":[{"title":"Default Title","offer_id":52503730651438,"sku":"CAP-D-058","price":637.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/1719\/1726\/files\/2013-2016-B8.5-Audi-A4-S4-CAP-Carbon-Fiber-Rear-Vertical-LED-Diffuser-V3-01_c1b7c42a-50a1-481b-8aa0-1cf792e0fd19.jpg?v=1787752253","url":"https:\/\/shopicwp.com\/products\/b8-5-carbon-fiber-rear-vertical-led-diffuser-v4-cap-d-058","provider":"Inner Circle Wheels and Performance","version":"1.0","type":"link"}