{"product_id":"catless-race-stainless-downpipe-for-mercedes-benz-amg-gt63-gt63s-4-0t","title":"Catless Race Stainless Downpipe for Mercedes Benz AMG GT63 GT63S 4.0T","description":"\u003cp data-start=\"200\" data-end=\"425\"\u003eUnleash maximum exhaust flow and turbo performance on your Mercedes Benz AMG GT63 or GT63S X290 4.0T with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"310\" data-end=\"363\"\u003eSTRATEC Catless High Flow T304 Stainless Downpipe\u003c\/strong\u003e, engineered for race applications and aggressive power gains.\u003c\/p\u003e\n\u003cp data-start=\"427\" data-end=\"767\"\u003eConstructed from premium T304 stainless steel, this catless downpipe removes factory restrictions to dramatically reduce backpressure, increase exhaust velocity, and deliver faster turbo spool with stronger mid‑range and top‑end performance. Designed for performance builds, it also produces a louder, more aggressive AMG exhaust character.\u003c\/p\u003e\n\u003cp data-start=\"769\" data-end=\"877\"\u003eBuilt as a direct bolt‑on upgrade, this downpipe installs using factory mounting points for precise fitment.\u003c\/p\u003e\n\u003chr data-start=\"879\" data-end=\"882\"\u003e\n\u003ch3 data-start=\"884\" data-end=\"908\"\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul data-start=\"910\" data-end=\"1172\"\u003e\n\u003cli data-start=\"910\" data-end=\"958\"\u003e\n\u003cp data-start=\"912\" data-end=\"958\"\u003eCatless race design for maximum exhaust flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"959\" data-end=\"1009\"\u003e\n\u003cp data-start=\"961\" data-end=\"1009\"\u003eReduced backpressure for faster turbo response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1057\"\u003e\n\u003cp data-start=\"1012\" data-end=\"1057\"\u003eIncreased mid‑range and top‑end performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1058\" data-end=\"1102\"\u003e\n\u003cp data-start=\"1060\" data-end=\"1102\"\u003eMandrel bent T304 stainless steel tubing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1103\" data-end=\"1140\"\u003e\n\u003cp data-start=\"1105\" data-end=\"1140\"\u003ePrecision TIG welded construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1141\" data-end=\"1172\"\u003e\n\u003cp data-start=\"1143\" data-end=\"1172\"\u003eDirect bolt‑on installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1174\" data-end=\"1177\"\u003e\n\u003ch3 data-start=\"1179\" data-end=\"1190\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-start=\"1192\" data-end=\"1273\"\u003eMercedes Benz AMG GT63 X290\u003cbr data-start=\"1219\" data-end=\"1222\"\u003eMercedes Benz AMG GT63S X290\u003cbr data-start=\"1250\" data-end=\"1253\"\u003e4.0T Twin Turbo V8\u003c\/p\u003e\n\u003chr data-start=\"1275\" data-end=\"1278\"\u003e\n\u003ch3 data-start=\"1280\" data-end=\"1289\"\u003eNotes\u003c\/h3\u003e\n\u003cul data-start=\"1291\" data-end=\"1426\"\u003e\n\u003cli data-start=\"1291\" data-end=\"1308\"\u003e\n\u003cp data-start=\"1293\" data-end=\"1308\"\u003eRace use only\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1309\" data-end=\"1336\"\u003e\n\u003cp data-start=\"1311\" data-end=\"1336\"\u003eNot emissions compliant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1337\" data-end=\"1378\"\u003e\n\u003cp data-start=\"1339\" data-end=\"1378\"\u003eProfessional installation recommended\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1379\" data-end=\"1426\"\u003e\n\u003cp data-start=\"1381\" data-end=\"1426\"\u003eECU tuning required for optimal performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bull Boost Performance","offers":[{"title":"Default Title","offer_id":53364554367283,"sku":"721814383409","price":899.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2720\/8266\/files\/nocats.jpg?v=1779122355","url":"https:\/\/ntxglow.com\/products\/catless-race-stainless-downpipe-for-mercedes-benz-amg-gt63-gt63s-4-0t","provider":"NTXGlow","version":"1.0","type":"link"}