{"product_id":"carbon-fiber-big-fin-style-diffuser-audi-a3-s3-s-line-17-20","title":"Carbon Fiber Big Fin Style Diffuser - Audi A3 S3 S-Line 17-20","description":"\u003ch3 data-start=\"240\" data-end=\"290\"\u003e\u003cstrong data-start=\"244\" data-end=\"288\"\u003eCarbon Fiber Big Fin Style Rear Diffuser\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"291\" data-end=\"321\"\u003e\u003cem data-start=\"291\" data-end=\"319\"\u003e(Audi A3 | S3 S-Line – 8V)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"323\" data-end=\"657\"\u003eUpgrade the rear-end styling of your Audi with our \u003cstrong data-start=\"374\" data-end=\"418\"\u003eBig Fin Style Carbon Fiber Rear Diffuser\u003c\/strong\u003e, designed to deliver a more aggressive, motorsport-inspired appearance while maintaining a clean OEM+ look. The extended fin design adds depth and visual impact to the rear bumper, giving the vehicle a more performance-focused presence.\u003c\/p\u003e\n\u003cp data-start=\"659\" data-end=\"1002\"\u003eConstructed from \u003cstrong data-start=\"676\" data-end=\"705\"\u003ehigh-quality carbon fiber\u003c\/strong\u003e, this diffuser offers lightweight durability and a premium finish. Finished with a \u003cstrong data-start=\"789\" data-end=\"816\"\u003eUV-resistant clear coat\u003c\/strong\u003e, it is protected against fading, yellowing, and sun damage to ensure long-lasting appearance. Precision-molded design allows for proper alignment and fitment when installed correctly.\u003c\/p\u003e\n\u003ch4 data-start=\"1004\" data-end=\"1029\"\u003e\u003cstrong data-start=\"1009\" data-end=\"1029\"\u003eProduct Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul data-start=\"1030\" data-end=\"1334\"\u003e\n\u003cli data-start=\"1030\" data-end=\"1095\"\u003e\n\u003cp data-start=\"1032\" data-end=\"1095\"\u003e\u003cstrong data-start=\"1032\" data-end=\"1070\"\u003eBig fin style rear diffuser design\u003c\/strong\u003e for aggressive styling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1096\" data-end=\"1164\"\u003e\n\u003cp data-start=\"1098\" data-end=\"1164\"\u003e\u003cstrong data-start=\"1098\" data-end=\"1135\"\u003ePremium carbon fiber construction\u003c\/strong\u003e for lightweight durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1165\" data-end=\"1230\"\u003e\n\u003cp data-start=\"1167\" data-end=\"1230\"\u003e\u003cstrong data-start=\"1167\" data-end=\"1194\"\u003eUV-resistant clear coat\u003c\/strong\u003e prevents fading and discoloration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1231\" data-end=\"1287\"\u003e\n\u003cp data-start=\"1233\" data-end=\"1287\"\u003eEnhances \u003cstrong data-start=\"1242\" data-end=\"1285\"\u003erear-end aesthetics and sporty presence\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1288\" data-end=\"1334\"\u003e\n\u003cp data-start=\"1290\" data-end=\"1334\"\u003ePrecision-molded for factory-style fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1336\" data-end=\"1352\"\u003e\u003cstrong data-start=\"1341\" data-end=\"1352\"\u003eFitment\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul data-start=\"1353\" data-end=\"1437\"\u003e\n\u003cli data-start=\"1353\" data-end=\"1398\"\u003e\n\u003cp data-start=\"1355\" data-end=\"1398\"\u003e\u003cstrong data-start=\"1355\" data-end=\"1373\"\u003eAudi A3 S-Line\u003c\/strong\u003e \u003cem data-start=\"1374\" data-end=\"1380\"\u003e(8V)\u003c\/em\u003e — \u003cstrong data-start=\"1383\" data-end=\"1396\"\u003e2017–2020\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1399\" data-end=\"1437\"\u003e\n\u003cp data-start=\"1401\" data-end=\"1437\"\u003e\u003cstrong data-start=\"1401\" data-end=\"1412\"\u003eAudi S3\u003c\/strong\u003e \u003cem data-start=\"1413\" data-end=\"1419\"\u003e(8V)\u003c\/em\u003e — \u003cstrong data-start=\"1422\" data-end=\"1435\"\u003e2017–2020\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1439\" data-end=\"1517\"\u003e⚠️ \u003cem data-start=\"1442\" data-end=\"1517\"\u003eFits \u003cstrong data-start=\"1448\" data-end=\"1482\"\u003eS-Line rear bumper models only\u003c\/strong\u003e. Will NOT fit non-S-Line bumpers.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4 data-start=\"1519\" data-end=\"1540\"\u003e\u003cstrong data-start=\"1524\" data-end=\"1540\"\u003eAvailability\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1541\" data-end=\"1590\"\u003eThis product is \u003cstrong data-start=\"1557\" data-end=\"1587\"\u003ein stock and ready to ship\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4 data-start=\"1592\" data-end=\"1613\"\u003e\u003cstrong data-start=\"1597\" data-end=\"1613\"\u003eInstallation\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1614\" data-end=\"1736\"\u003e\u003cstrong data-start=\"1614\" data-end=\"1658\"\u003eProfessional installation is recommended\u003c\/strong\u003e, as we do not provide installation guides or support for self-installation.\u003c\/p\u003e\n\u003cp data-start=\"1738\" data-end=\"1863\"\u003e\u003cstrong data-start=\"1738\" data-end=\"1861\"\u003eAdditional mounting points may be required or existing mounting points may need to be modified for proper installation.\u003c\/strong\u003e\u003c\/p\u003e","brand":"MidWest Bimmer Supply","offers":[{"title":"Default Title","offer_id":51247515599138,"sku":null,"price":579.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0841\/8095\/9522\/files\/Screenshot_2026-02-06_231505.png?v=1770441320","url":"https:\/\/midwestbimmersupply.com\/products\/carbon-fiber-big-fin-style-diffuser-audi-a3-s3-s-line-17-20","provider":"MidWest Bimmer Supply","version":"1.0","type":"link"}