{"product_id":"wehrli-wcf100174","title":"Wehrli 01-04 Duramax LB7 Billet Exhaust Manifold \u0026 SS Up Pipes w\/ Gaskets and ARP Hardware","description":"\u003cp\u003eWCFab's 2001-2004 LB7 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Outlet locations allow full compatibility with OEM style up pipes and are paired with WCFab's 2\" Stainless High-Flow Up Pipes for optimized performance. Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install. Finished in Black Ceramic Coat rated for 2000 deg F.\n\nManifold replaces the following GM Part Numbers: 12637647, 12624683, 97224587\u003c\/p\u003e\u003cp\u003eGenuine Wehrli. Part number WCF100174.\u003c\/p\u003e\u003cp\u003eShips from US warehouse.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e California Proposition 65 — this product can expose you to chemicals known to the State of California to cause cancer or reproductive harm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Not CARB approved — not for sale or use on pollution-controlled vehicles in California.\u003c\/p\u003e","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":48728384569569,"sku":"WCF100174","price":1871.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7608\/4961\/files\/738e4516ed77fd2467510147782cb5ceL.jpg?v=1784733145","url":"https:\/\/mlperformanceusa.com\/products\/wehrli-wcf100174","provider":"ML Performance USA","version":"1.0","type":"link"}