{"product_id":"3-turbo-outlet-downpipe-exhaust-for-2001-2004-gmc-chevrolet-6-6l-duramax-lb7","title":"3″ Turbo Outlet Downpipe Exhaust for 2001-2004 GMC\/Chevrolet 6.6L Duramax LB7","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 3″ Turbo Outlet Downpipe is a direct-fit upgrade for the 2001–2004 Chevrolet 6.6L LB7 Duramax. Engineered to replace the restrictive OEM pipe, it improves exhaust flow, lowers backpressure, and reduces EGT. Made from 201 stainless steel, its 3″ straight-through design boosts turbo response and efficiency. Installs easily using factory flanges—no welding or tuning needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003e3‑Inch Straight‑Through Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Provides 20‑25% more flow area than the stock flattened oval pipe, dramatically improving exhaust velocity and reducing turbo lag.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eLower EGT \u0026amp; Reduced Backpressure\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Helps maintain cooler exhaust temperatures under heavy loads, ideal for towing and high‑demand driving.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eDirect OE Fitment\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Uses factory flange dimensions and bolt holes for a straightforward, no‑weld installation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eIncluded Heat Shield Wrap\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Minimizes radiant heat transfer to the engine bay, protecting wiring, brake lines, and firewall components.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eEnhanced Sound \u0026amp; Throttle Response\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Delivers a deeper, more aggressive exhaust tone while improving drivability and turbo spool character.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eNo Tuning Required\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Works with the stock ECU.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e\u003cstrong\u003eNote: \u003c\/strong\u003eFor off‑road\/competition use only. Not CARB or EPA certified.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e2001-2004 Chevrolet Silverado 2500 HD 6.6L Duramax LB7\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e2001-2004 Chevrolet Silverado 3500 6.6L Duramax LB7\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e2001-2004 GMC Sierra 2500 HD 6.6L Duramax LB7\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e2001-2004 GMC Sierra 3500 6.6L Duramax LB7\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"Black","offer_id":52624006447416,"sku":"SPJN-EXS22-00041001","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/1_e9a3f4c1-808c-402b-8142-49a79c22d870.webp?v=1783576271","url":"https:\/\/bsdptuning.com\/products\/3-turbo-outlet-downpipe-exhaust-for-2001-2004-gmc-chevrolet-6-6l-duramax-lb7","provider":"BSDP Tuning","version":"1.0","type":"link"}