{"product_id":"rk-b58-rk-catless-downpipe-4-5","title":"B58 Catless Downpipe 4.5″","description":"\u003cdiv role=\"tabpanel\" id=\"tab-description\" class=\"woocommerce-Tabs-panel woocommerce-Tabs-panel--description panel entry-content wc-tab\" aria-labelledby=\"tab-title-description\"\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-28\" data-turn-id=\"8b903166-a53b-48c8-a12c-dd4271ec7612\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-5-2-thinking\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-id=\"9f7f6961-0be1-492c-afe5-f356ecdc3b48\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words dark markdown-new-styling\"\u003e\n\u003cp data-end=\"456\" data-start=\"163\"\u003eThe RK Autowerks \u003cstrong data-end=\"205\" data-start=\"180\"\u003e4.5” catless downpipe\u003c\/strong\u003e is designed to reduce exhaust restriction and backpressure for \u003cstrong data-end=\"294\" data-start=\"269\"\u003efaster turbo response\u003c\/strong\u003e and \u003cstrong data-end=\"341\" data-start=\"299\"\u003emeasurable horsepower and torque gains\u003c\/strong\u003e. Developed using \u003cstrong data-end=\"399\" data-start=\"359\"\u003eadvanced 3D scanning and prototyping\u003c\/strong\u003e, it delivers \u003cstrong data-end=\"434\" data-start=\"413\"\u003eOEM-level fitment\u003c\/strong\u003e and proper alignment.\u003c\/p\u003e\n\u003cp data-end=\"858\" data-start=\"458\"\u003eBuilt from \u003cstrong data-end=\"506\" data-start=\"469\"\u003emandrel-bent T304 stainless steel\u003c\/strong\u003e with a \u003cstrong data-end=\"558\" data-start=\"514\"\u003eCNC-machined velocity stack turbo flange\u003c\/strong\u003e, this downpipe improves flow right at the turbine outlet. \u003cstrong data-end=\"641\" data-start=\"617\"\u003ePrecision TIG-welded\u003c\/strong\u003e construction and \u003cstrong data-end=\"695\" data-start=\"659\"\u003estainless V-band\/exhaust flanges\u003c\/strong\u003e provide a strong, leak-resistant seal for long-term reliability. \u003cstrong data-end=\"780\" data-start=\"761\"\u003eO2 sensor bungs\u003c\/strong\u003e are positioned in the \u003cstrong data-end=\"824\" data-start=\"803\"\u003efactory locations\u003c\/strong\u003e for straightforward installation.\u003c\/p\u003e\n\u003ch3 data-end=\"872\" data-start=\"860\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-end=\"1159\" data-start=\"873\"\u003e\n\u003cli data-end=\"937\" data-start=\"873\"\u003e\n\u003cp data-end=\"937\" data-start=\"875\"\u003e\u003cstrong data-end=\"899\" data-start=\"875\"\u003eT304 stainless steel\u003c\/strong\u003e construction with \u003cstrong data-end=\"935\" data-start=\"918\"\u003emandrel bends\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"973\" data-start=\"938\"\u003e\n\u003cp data-end=\"973\" data-start=\"940\"\u003e\u003cstrong data-end=\"964\" data-start=\"940\"\u003ePrecision TIG-welded\u003c\/strong\u003e joints\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1027\" data-start=\"974\"\u003e\n\u003cp data-end=\"1027\" data-start=\"976\"\u003e\u003cstrong data-end=\"1025\" data-start=\"976\"\u003eHeavy-duty stainless V-band \/ exhaust flanges\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1090\" data-start=\"1028\"\u003e\n\u003cp data-end=\"1090\" data-start=\"1030\"\u003e\u003cstrong data-end=\"1070\" data-start=\"1030\"\u003eFactory O2 sensor locations retained\u003c\/strong\u003e (stainless bungs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1159\" data-start=\"1091\"\u003e\n\u003cp data-end=\"1159\" data-start=\"1093\"\u003eHelps \u003cstrong data-end=\"1133\" data-start=\"1099\"\u003ereduce under-hood temperatures\u003c\/strong\u003e (via reduced restriction)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1172\" data-start=\"1161\"\u003eFitment\u003c\/h3\u003e\n\u003cul data-end=\"1568\" data-start=\"1173\"\u003e\n\u003cli data-end=\"1204\" data-start=\"1173\"\u003e\n\u003cp data-end=\"1204\" data-start=\"1175\"\u003e\u003cstrong data-end=\"1184\" data-start=\"1175\"\u003e2019+\u003c\/strong\u003e Toyota Supra 3.0L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1240\" data-start=\"1205\"\u003e\n\u003cp data-end=\"1240\" data-start=\"1207\"\u003e\u003cstrong data-end=\"1220\" data-start=\"1207\"\u003e2016–2019\u003c\/strong\u003e BMW 340i \/ xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1273\" data-start=\"1241\"\u003e\n\u003cp data-end=\"1273\" data-start=\"1243\"\u003e\u003cstrong data-end=\"1252\" data-start=\"1243\"\u003e2020+\u003c\/strong\u003e BMW M340i \/ xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1306\" data-start=\"1274\"\u003e\n\u003cp data-end=\"1306\" data-start=\"1276\"\u003e\u003cstrong data-end=\"1285\" data-start=\"1276\"\u003e2015+\u003c\/strong\u003e BMW M240i \/ xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1338\" data-start=\"1307\"\u003e\n\u003cp data-end=\"1338\" data-start=\"1309\"\u003e\u003cstrong data-end=\"1318\" data-start=\"1309\"\u003e2016+\u003c\/strong\u003e BMW 440i \/ xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1370\" data-start=\"1339\"\u003e\n\u003cp data-end=\"1370\" data-start=\"1341\"\u003e\u003cstrong data-end=\"1350\" data-start=\"1341\"\u003e2016+\u003c\/strong\u003e BMW 540i \/ xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1402\" data-start=\"1371\"\u003e\n\u003cp data-end=\"1402\" data-start=\"1373\"\u003e\u003cstrong data-end=\"1382\" data-start=\"1373\"\u003e2016+\u003c\/strong\u003e BMW 740i \/ xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1432\" data-start=\"1403\"\u003e\n\u003cp data-end=\"1432\" data-start=\"1405\"\u003e\u003cstrong data-end=\"1418\" data-start=\"1405\"\u003e2017–2020\u003c\/strong\u003e BMW X3 M40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1462\" data-start=\"1433\"\u003e\n\u003cp data-end=\"1462\" data-start=\"1435\"\u003e\u003cstrong data-end=\"1448\" data-start=\"1435\"\u003e2017–2020\u003c\/strong\u003e BMW X4 M40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1500\" data-start=\"1463\"\u003e\n\u003cp data-end=\"1500\" data-start=\"1465\"\u003e\u003cstrong data-end=\"1474\" data-start=\"1465\"\u003e2019+\u003c\/strong\u003e BMW G05 X5 40i \/ xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1538\" data-start=\"1501\"\u003e\n\u003cp data-end=\"1538\" data-start=\"1503\"\u003e\u003cstrong data-end=\"1512\" data-start=\"1503\"\u003e2019+\u003c\/strong\u003e BMW G07 X7 40i \/ xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1568\" data-start=\"1539\"\u003e\n\u003cp data-end=\"1568\" data-start=\"1541\"\u003e\u003cstrong data-end=\"1550\" data-start=\"1541\"\u003e2019+\u003c\/strong\u003e BMW G29 Z4 M40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1601\" data-start=\"1570\"\u003eWARNING (Emissions \/ Legal)\u003c\/h3\u003e\n\u003cp data-end=\"1834\" data-start=\"1602\"\u003e\u003cstrong data-end=\"1650\" data-start=\"1602\"\u003eCatless downpipes are for off-road use only.\u003c\/strong\u003e Installation will typically trigger a \u003cstrong data-end=\"1711\" data-start=\"1689\"\u003eCheck Engine Light\u003c\/strong\u003e. Removal or modification of emissions equipment is prohibited for vehicles operated on public roads in many jurisdictions.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pointer-events-none h-px w-px absolute bottom-0\" data-edge=\"true\" aria-hidden=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RK Autowerks","offers":[{"title":"Default Title","offer_id":52141745209525,"sku":"RK.DP.B58","price":460.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/2500\/6517\/files\/WhatsApp-Image-2024-08-01-at-10.19.53_9a2dc4da_5926cf9b-e351-4ec3-bcc0-984f618ceae1.jpg?v=1767383370","url":"https:\/\/opusautoworks.ca\/products\/rk-b58-rk-catless-downpipe-4-5","provider":"OPUS Autoworks","version":"1.0","type":"link"}