{"product_id":"dhd-300-125k-oem-length-d-pipe-stainless-passenger-lb7-up-pipe-kit-2001-2004","title":"DHD 300-125K OEM Length D-Pipe Stainless Passenger LB7 Up Pipe Kit 2001-2004","description":"\u003cp\u003eUpgrade your LB7 Duramax with DHD’s full-featured OEM-fit up-pipe, delivering high performance at a fraction of the cost of a new GM unit. These brand-new up-pipes are built to exceed OEM standards while providing direct bolt-on installation to your factory manifolds.\u003c\/p\u003e\n\n\u003cp\u003eCrafted from 11-gauge 304 stainless steel, this up-pipe features DHD’s HD 304 stainless steel internally-sleeved bellows, engineered to withstand high temperatures and pressures. With a 53% increase in flow over stock, your engine will see reduced exhaust back-pressure, lower temperatures, and improved overall performance.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect bolt-on replacement to passenger-side factory exhaust manifold\u003c\/li\u003e\n  \u003cli\u003e11-gauge 304 stainless steel construction, 2-inch OD\u003c\/li\u003e\n  \u003cli\u003eInner and outer TIG welded flanges (not cast)\u003c\/li\u003e\n  \u003cli\u003eFree-flowing stainless steel internal bellows\u003c\/li\u003e\n  \u003cli\u003eSignificant reduction in exhaust back-pressure and heat\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKit Includes:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMulti-layer stainless up-pipe gaskets (1 upper, 1 lower)\u003c\/li\u003e\n  \u003cli\u003e(6) 12PT coated M10 12.9 up-pipe bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2001-2004 LB7 GM 6.6L Duramax 2500HD\/3500HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCompare to PPE 116120010\u003c\/p\u003e","brand":"Dirty Hooker Diesel","offers":[{"title":"Default Title","offer_id":51730025349403,"sku":"300-125K-3-C","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-02-04at12.13.39PM.png?v=1770232487","url":"https:\/\/wwmperformance.com\/products\/dhd-300-125k-oem-length-d-pipe-stainless-passenger-lb7-up-pipe-kit-2001-2004","provider":"WWM Performance","version":"1.0","type":"link"}