{"product_id":"2017-2019-audi-a4-s4-kb-style-rear-diffuser","title":"2017-2019 Audi A4\/S4 — KB \u0026 S4 Style Rear Diffuser","description":"\u003cp\u003eUpgrade the rear of your 2017-2019 Audi A4 \/ S4 with your choice of two rear diffuser styles. Both are crafted from high-quality ABS plastic and designed for a clean, bolt-on fit using factory mounting points.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStyle Options:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKB Style\u003c\/strong\u003e — Aggressive multi-fin diffuser available in Black (primer-ready) or Carbon Fiber (hydrographic hydrodip). Fits both S-line\/S4 and Non S-line trim levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS4 Style w\/ Exhaust Tips\u003c\/strong\u003e — OEM+ diffuser with integrated dual exhaust tip surrounds for a factory S4 look. Available for \u003cstrong\u003eS-line and S4 trim levels only\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: High-quality ABS plastic — primer-ready, paint to match or custom finish\u003c\/li\u003e\n\u003cli\u003eDesigned for 2017-2019 Audi A4 \/ S4 using factory mounting points; may require fitment and trimming adjustments based on vehicle trim options — professional installation recommended\u003c\/li\u003e\n\u003cli\u003eBolt-on installation — no cutting of the factory bumper required for standard fitment\u003c\/li\u003e\n\u003cli\u003eFits A4 and S4 models only — \u003cstrong\u003enot compatible with RS4\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2017-2019 Audi A4 \/ S4 — B9. KB Style fits both S-line\/S4 and Non S-line. S4 Style w\/ Exhaust Tips fits \u003cstrong\u003eS-line and S4 only\u003c\/strong\u003e (requires factory S-line rear bumper configuration).\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eCarbon Fiber\u003c\/strong\u003e finish is a premium hydrographic carbon fiber hydrodip, pre-applied over ABS — no painting required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduction \u0026amp; Lead Time:\u003c\/strong\u003e These rear diffusers are custom-manufactured to order. Please allow 1–2 weeks for production before your order ships. Orders cannot be modified or cancelled once production has begun.\u003c\/p\u003e","brand":"Chengdu Yichen Trading Co., Ltd","offers":[{"title":"KB Style — Non S-line — Black","offer_id":47970240823537,"sku":"EB-2017-2019-AUDI-A4-01","price":301.99,"currency_code":"USD","in_stock":true},{"title":"S4 Style w\/ Exhaust Tips — S-line \/ S4 Only","offer_id":47970240954609,"sku":"EB-2017-2019-AUDI-A4-05","price":311.99,"currency_code":"USD","in_stock":true},{"title":"KB Style — Non S-line — Carbon Fiber","offer_id":47970240856305,"sku":"EB-2017-2019-AUDI-A4-02","price":345.99,"currency_code":"USD","in_stock":true},{"title":"KB Style — S-line \/ S4 — Black","offer_id":47970240889073,"sku":"EB-2017-2019-AUDI-A4-03","price":301.99,"currency_code":"USD","in_stock":true},{"title":"KB Style — S-line \/ S4 — Carbon Fiber","offer_id":47970240921841,"sku":"EB-2017-2019-AUDI-A4-04","price":345.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0480\/1757\/1997\/files\/556kjh.png?v=1774928459","url":"https:\/\/www.enthusiastbrand.com\/products\/2017-2019-audi-a4-s4-kb-style-rear-diffuser","provider":"Enthusiast Brands","version":"1.0","type":"link"}