{"product_id":"catted-race-stainless-300-cell-downpipe-for-mercedes-benz-amg-gt63-gt63s-4-0t","title":"Catted Race Stainless 300 Cell Downpipe for Mercedes Benz AMG GT63 GT63S 4.0T","description":"\u003cp data-start=\"212\" data-end=\"455\"\u003eUpgrade exhaust flow while retaining catalytic function on your Mercedes Benz AMG GT63 or GT63S X290 4.0T with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"327\" data-end=\"388\"\u003eSTRATEC High Flow 300 Cell Catted T304 Stainless Downpipe\u003c\/strong\u003e, engineered for stronger performance gains and refined race sound.\u003c\/p\u003e\n\u003cp data-start=\"457\" data-end=\"784\"\u003eConstructed from premium T304 stainless steel, this downpipe features a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"529\" data-end=\"571\"\u003e300 cell high‑flow catalytic converter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned to significantly reduce backpressure compared to the factory unit while maintaining emissions hardware. The result is faster turbo response, improved mid‑range power, and a sharper AMG exhaust character.\u003c\/p\u003e\n\u003cp data-start=\"786\" data-end=\"913\"\u003eDesigned as a direct bolt‑on upgrade, this downpipe installs to factory mounting points for clean fitment and reliable sealing.\u003c\/p\u003e\n\u003chr data-start=\"915\" data-end=\"918\"\u003e\n\u003ch3 data-start=\"920\" data-end=\"944\"\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul data-start=\"946\" data-end=\"1193\"\u003e\n\u003cli data-start=\"946\" data-end=\"988\"\u003e\n\u003cp data-start=\"948\" data-end=\"988\"\u003e300 cell high flow catalytic converter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"989\" data-end=\"1037\"\u003e\n\u003cp data-start=\"991\" data-end=\"1037\"\u003eReduced backpressure for quicker turbo spool\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1038\" data-end=\"1084\"\u003e\n\u003cp data-start=\"1040\" data-end=\"1084\"\u003eStronger mid‑range and top‑end performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1085\" data-end=\"1123\"\u003e\n\u003cp data-start=\"1087\" data-end=\"1123\"\u003eMandrel bent T304 stainless tubing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1124\" data-end=\"1161\"\u003e\n\u003cp data-start=\"1126\" data-end=\"1161\"\u003ePrecision TIG welded construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1162\" data-end=\"1193\"\u003e\n\u003cp data-start=\"1164\" data-end=\"1193\"\u003eDirect bolt on installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1195\" data-end=\"1198\"\u003e\n\u003ch3 data-start=\"1200\" data-end=\"1211\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-start=\"1213\" data-end=\"1294\"\u003eMercedes Benz AMG GT63 X290\u003cbr data-start=\"1240\" data-end=\"1243\"\u003eMercedes Benz AMG GT63S X290\u003cbr data-start=\"1271\" data-end=\"1274\"\u003e4.0T Twin Turbo V8\u003c\/p\u003e","brand":"Bull Boost Performance","offers":[{"title":"Default Title","offer_id":46026111844586,"sku":"721814383393","price":999.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/gt53down.jpg?v=1777992873","url":"https:\/\/www.k2-industries.com\/en-is\/products\/catted-race-stainless-300-cell-downpipe-for-mercedes-benz-amg-gt63-gt63s-4-0t","provider":"K2 Industries","version":"1.0","type":"link"}