{"product_id":"b9-s4-downpipe-catless-heat","title":"B9\/B9.5 Catless Race Downpipe W\/ Heat Shield - Audi B9 B9.5 3.0T S4 S5","description":"\u003ch3 data-section-id=\"vjail5\" data-start=\"193\" data-end=\"249\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"197\" data-end=\"247\"\u003eMBS B9 \/ B9.5 Catless Race Downpipe w\/ Heat Shield\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"250\" data-end=\"275\"\u003e\u003cem data-start=\"250\" data-end=\"273\"\u003e(Audi S4 | S5 – 3.0T)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"277\" data-end=\"624\"\u003eUnlock the full performance potential of your Audi 3.0T platform with our \u003cstrong data-start=\"351\" data-end=\"376\"\u003eCatless Race Downpipe\u003c\/strong\u003e, engineered to significantly improve exhaust flow, turbo efficiency, and overall power output. Featuring a \u003cstrong data-start=\"484\" data-end=\"516\"\u003elarge 6-inch diameter design\u003c\/strong\u003e, this downpipe maximizes airflow while delivering a more aggressive exhaust tone and quicker turbo spool.\u003c\/p\u003e\n\u003cp data-start=\"626\" data-end=\"820\"\u003eThis system includes an integrated \u003cstrong data-start=\"661\" data-end=\"676\"\u003eheat shield\u003c\/strong\u003e, designed to reduce engine bay temperatures and protect surrounding components from excessive heat generated during high-performance driving.\u003c\/p\u003e\n\u003chr data-start=\"822\" data-end=\"825\"\u003e\n\u003ch3 data-section-id=\"1w4ir3e\" data-start=\"827\" data-end=\"851\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"831\" data-end=\"851\"\u003eProduct Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"852\" data-end=\"1167\"\u003e\n\u003cli data-section-id=\"po9sgu\" data-start=\"852\" data-end=\"897\"\u003e\u003cstrong data-start=\"854\" data-end=\"895\"\u003eLarge 6-inch high-flow catless design\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"dphzez\" data-start=\"898\" data-end=\"949\"\u003eMaximizes \u003cstrong data-start=\"910\" data-end=\"947\"\u003eexhaust flow and turbo efficiency\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hrhxm8\" data-start=\"950\" data-end=\"999\"\u003eIncreases \u003cstrong data-start=\"962\" data-end=\"997\"\u003ehorsepower and torque potential\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"84mgcl\" data-start=\"1000\" data-end=\"1055\"\u003eImproves \u003cstrong data-start=\"1011\" data-end=\"1053\"\u003ethrottle response and turbo spool time\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vstxgc\" data-start=\"1056\" data-end=\"1104\"\u003eProduces a more \u003cstrong data-start=\"1074\" data-end=\"1102\"\u003eaggressive exhaust sound\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1flb0at\" data-start=\"1105\" data-end=\"1167\"\u003e\n\u003cstrong data-start=\"1107\" data-end=\"1133\"\u003eIntegrated heat shield\u003c\/strong\u003e for improved thermal management\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1169\" data-end=\"1172\"\u003e\n\u003ch3 data-section-id=\"1wr90v9\" data-start=\"1174\" data-end=\"1202\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1178\" data-end=\"1202\"\u003eHeat Shield Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1203\" data-end=\"1457\"\u003e\n\u003cli data-section-id=\"1uwk9oh\" data-start=\"1203\" data-end=\"1247\"\u003eHelps \u003cstrong data-start=\"1211\" data-end=\"1245\"\u003ereduce engine bay temperatures\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tt1pz6\" data-start=\"1248\" data-end=\"1298\"\u003eProtects surrounding components from heat soak\u003c\/li\u003e\n\u003cli data-section-id=\"2pylf2\" data-start=\"1299\" data-end=\"1348\"\u003eImproves \u003cstrong data-start=\"1310\" data-end=\"1346\"\u003eintake air temperature stability\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"473x5b\" data-start=\"1349\" data-end=\"1403\"\u003eEnhances long-term durability of nearby components\u003c\/li\u003e\n\u003cli data-section-id=\"1a4j62r\" data-start=\"1404\" data-end=\"1457\"\u003eIdeal for \u003cstrong data-start=\"1416\" data-end=\"1455\"\u003ehigh-performance and tuned vehicles\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1459\" data-end=\"1462\"\u003e\n\u003ch3 data-section-id=\"1x2dw9b\" data-start=\"1464\" data-end=\"1479\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1468\" data-end=\"1479\"\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1480\" data-end=\"1623\"\u003e\n\u003cli data-section-id=\"p9tddt\" data-start=\"1480\" data-end=\"1507\"\u003e\n\u003cstrong data-start=\"1482\" data-end=\"1498\"\u003eAudi S4 (B9)\u003c\/strong\u003e — 3.0T\u003c\/li\u003e\n\u003cli data-section-id=\"vnufq2\" data-start=\"1508\" data-end=\"1537\"\u003e\n\u003cstrong data-start=\"1510\" data-end=\"1528\"\u003eAudi S4 (B9.5)\u003c\/strong\u003e — 3.0T\u003c\/li\u003e\n\u003cli data-section-id=\"zlrnc3\" data-start=\"1538\" data-end=\"1578\"\u003e\n\u003cstrong data-start=\"1540\" data-end=\"1569\"\u003eAudi S5 Coupe (B9 \/ B9.5)\u003c\/strong\u003e — 3.0T\u003c\/li\u003e\n\u003cli data-section-id=\"b1oaa6\" data-start=\"1579\" data-end=\"1623\"\u003e\n\u003cstrong data-start=\"1581\" data-end=\"1614\"\u003eAudi S5 Sportback (B9 \/ B9.5)\u003c\/strong\u003e — 3.0T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1625\" data-end=\"1628\"\u003e\n\u003ch3 data-section-id=\"1ws83tv\" data-start=\"1630\" data-end=\"1653\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1634\" data-end=\"1653\"\u003eImportant Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1654\" data-end=\"1885\"\u003e⚠️ \u003cstrong data-start=\"1657\" data-end=\"1735\"\u003eLower downpipe gaskets are required for installation and are not included.\u003c\/strong\u003e\u003cbr data-start=\"1735\" data-end=\"1738\"\u003e⚠️ This is a \u003cstrong data-start=\"1751\" data-end=\"1776\"\u003ecatless race downpipe\u003c\/strong\u003e intended for off-road or motorsport use only.\u003cbr data-start=\"1822\" data-end=\"1825\"\u003e⚠️ May trigger a check engine light without proper tuning.\u003c\/p\u003e\n\u003chr data-start=\"1887\" data-end=\"1890\"\u003e\n\u003ch3 data-section-id=\"1v8wn5j\" data-start=\"1892\" data-end=\"1912\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1896\" data-end=\"1912\"\u003eAvailability\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1913\" data-end=\"1960\"\u003eThis product is \u003cstrong data-start=\"1929\" data-end=\"1959\"\u003ein stock and ready to ship\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1962\" data-end=\"1965\"\u003e\n\u003ch3 data-section-id=\"170ewvu\" data-start=\"1967\" data-end=\"1987\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1971\" data-end=\"1987\"\u003eInstallation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1988\" data-end=\"2110\"\u003e\u003cstrong data-start=\"1988\" data-end=\"2032\"\u003eProfessional installation is recommended\u003c\/strong\u003e, as we do not provide installation guides or support for self-installation.\u003c\/p\u003e","brand":"MidWest Bimmer Supply","offers":[{"title":"Default Title","offer_id":51466056073506,"sku":null,"price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0841\/8095\/9522\/files\/E8BC5D47-3C6A-438C-B7C5-0C7CE668A568.jpg?v=1774659539","url":"https:\/\/midwestbimmersupply.com\/products\/b9-s4-downpipe-catless-heat","provider":"MidWest Bimmer Supply","version":"1.0","type":"link"}