{"product_id":"wehrli-2001-2004-lb7-duramax-stage-1-high-flow-intake-bundle-kit","title":"Wehrli 2001-2004 LB7 Duramax Stage 1 High Flow Intake Bundle Kit","description":"\u003cp\u003eAlready happy with your intake and down pipe, but the OEM plumbing between the turbo and the engine is still the weak link? The \u003cstrong\u003eWehrli Stage 1 High Flow Intake Bundle Kit\u003c\/strong\u003e (Manufacturer Part # WCF100411) for the \u003cstrong\u003e2001-2004 Chevrolet Silverado \/ GMC Sierra 2500HD\/3500HD 6.6L Duramax LB7\u003c\/strong\u003e replaces the restrictive factory Y-bridge and both intercooler pipes with 3\" mandrel bent aluminum feeding a TIG welded, CNC machined billet Y-bridge base — a full 3\" intake tract from turbo to engine.\u003c\/p\u003e\n\n\u003ch4\u003eWhy Choose the Wehrli Stage 1 High Flow Intake Bundle Kit?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 3\" tract, turbo to engine\u003c\/strong\u003e – Y-bridge, cold side and hot side all upsized together, so there is no leftover restriction pinching the gains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet Y-bridge base\u003c\/strong\u003e – CNC machined and TIG welded, Wehrli's signature piece, in place of the restrictive cast OEM bridge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower EGTs and quicker spool\u003c\/strong\u003e – the point of opening up the whole tract rather than one pipe at a time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoots that outlast the factory ones\u003c\/strong\u003e – upgraded silicone rated for higher pressure and temperature than the failure-prone angled OEM parts, which is where LB7 boost leaks start.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFPRV block off kit included\u003c\/strong\u003e – the fuel pressure relief valve block off is in the box, not a separate order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with your OEM style intake horn\u003c\/strong\u003e – the Y-bridge is built for it, so this stacks onto what you already run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e14 gauge aluminum\u003c\/strong\u003e – mandrel bent, powder coated in your choice of Wehrli's colors. Made in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eKit Includes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e3\" fabricated Y-bridge for OEM style intake horn, with TIG welded CNC machined billet base\u003c\/li\u003e\n\u003cli\u003e3\" passenger (cold) side intercooler pipe\u003c\/li\u003e\n\u003cli\u003e3\" driver (hot) side intercooler pipe\u003c\/li\u003e\n\u003cli\u003eFPRV block off kit\u003c\/li\u003e\n\u003cli\u003eUpgraded silicone boots, clamps and O-rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eInstallation Highlights\u003c\/h5\u003e\n\u003cp\u003eBolt-on replacement for the factory Y-bridge and charge piping, retaining your existing intake horn. See the fitment note below before ordering if you have a 2001 truck.\u003c\/p\u003e\n\n\u003ch5\u003eFits These Models\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003e2001, 2002, 2003 and 2004 Chevrolet Silverado 2500HD\/3500HD and GMC Sierra 2500HD\/3500HD with the 6.6L Duramax LB7.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003ePiping: 3\" diameter, 14 ga. mandrel bent aluminum\u003c\/li\u003e\n\u003cli\u003eY-bridge: fabricated, with TIG welded CNC machined billet base, for OEM style intake horn\u003c\/li\u003e\n\u003cli\u003eShipping weight: 15.0 lbs\u003c\/li\u003e\n\u003cli\u003ePackage dimensions: 36\" W x 12\" H x 12\" L, ships in its own box\u003c\/li\u003e\n\u003cli\u003eFinish: custom powder coat, color selected above\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eKey Features at a Glance\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 3\" intake tract\u003c\/strong\u003e - Y-bridge plus both intercooler pipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet CNC machined Y-bridge base\u003c\/strong\u003e - replaces the restrictive OEM bridge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgraded silicone boots\u003c\/strong\u003e - no more failure-prone angled factory parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFPRV block off kit included\u003c\/strong\u003e - nothing else to buy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom powder coat finish\u003c\/strong\u003e - pick your color above.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eNotes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e⚠ 2001 model year fitment — read this before ordering.\u003c\/strong\u003e 2001 trucks have the MAP sensor mounted on the intake runner rather than the bridge. Because Wehrli's bridge is larger than stock, you must relocate the MAP sensor to the port on the new bridge, then drill and tap the runner for a pipe plug (\u003cstrong\u003enot included\u003c\/strong\u003e) in the original MAP location. The alternative is sourcing a later 2002-2004 LB7 intake runner. 2002-2004 trucks are unaffected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead time varies by color.\u003c\/strong\u003e WCFab Red, WCFab Grey and Gloss Black are stocked and ship in 3-5 business days. All other colors are made to order on a 10-15 business day lead time.\u003c\/li\u003e\n\u003cli\u003eStage 2 adds the 4\" intake kit and air box on top of this; Stage 3 adds the down pipe as well.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFASS SKU: \u003cstrong\u003e[ADD FASS SKU]\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Part #: \u003cstrong\u003eWCF100411\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch5\u003eQuestions? We’re Here to Help.\u003c\/h5\u003e\n\u003cp\u003eHave questions about upgrades for your 6.6L Duramax LB7? Contact FASS Motorsports and we’ll get you dialed:\u003c\/p\u003e\n\u003cp\u003ePhone: \u003cstrong\u003e636-429-7020\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEmail: \u003cstrong\u003einfo@fassmotorsports.com\u003c\/strong\u003e\u003c\/p\u003e","brand":"Wehrli","offers":[{"title":"Bengal Blue","offer_id":41001995075626,"sku":"WCFWCF100411-BB","price":1143.94,"currency_code":"USD","in_stock":true},{"title":"Bengal Red","offer_id":41001995108394,"sku":"WCFWCF100411-BR","price":1143.94,"currency_code":"USD","in_stock":true},{"title":"Flat Black","offer_id":41001995173930,"sku":"WCFWCF100411-FB","price":1143.94,"currency_code":"USD","in_stock":true},{"title":"Fine Texture Black","offer_id":41001995206698,"sku":"WCFWCF100411-FTB","price":1143.94,"currency_code":"USD","in_stock":true},{"title":"Gloss Black","offer_id":41001995239466,"sku":"WCFWCF100411-GB","price":1143.94,"currency_code":"USD","in_stock":true},{"title":"Bronze Chrome","offer_id":41595927429162,"sku":"WCFWCF100411-BC","price":1129.38,"currency_code":"USD","in_stock":true},{"title":"Candy Teal","offer_id":41595928707114,"sku":"WCFWCF100411-CT","price":1216.71,"currency_code":"USD","in_stock":true},{"title":"WCFab Grey","offer_id":41595929100330,"sku":"WCFWCF100411-GRY","price":1129.38,"currency_code":"USD","in_stock":true},{"title":"Gloss White","offer_id":41595929526314,"sku":"WCFWCF100411-GW","price":1056.62,"currency_code":"USD","in_stock":true},{"title":"Illusion Blueberry","offer_id":41595930312746,"sku":"WCFWCF100411-IBB","price":1216.71,"currency_code":"USD","in_stock":true},{"title":"WCFab Red","offer_id":41595930378282,"sku":"WCFWCF100411-RED","price":1129.38,"currency_code":"USD","in_stock":true},{"title":"Bengal Silver","offer_id":41620123942954,"sku":"WCFWCF100411-BS","price":1143.94,"currency_code":"USD","in_stock":true},{"title":"Cat Yellow","offer_id":41620124008490,"sku":"WCFWCF100411-CAT","price":1143.94,"currency_code":"USD","in_stock":true},{"title":"Gun Metal","offer_id":43810513813546,"sku":"WCFWCF100411-GM","price":1143.94,"currency_code":"USD","in_stock":true}],"url":"https:\/\/fassmotorsports.com\/products\/wehrli-2001-2004-lb7-duramax-stage-1-high-flow-intake-bundle-kit","provider":"FASS Motorsports","version":"1.0","type":"link"}