{"product_id":"wehrli-2001-2004-lb7-duramax-4-intake-kit-with-air-box-stage-2","title":"Wehrli 2001-2004 LB7 Duramax 4\" Intake Kit with Air Box Stage 2","description":"\u003cp\u003eGet the restrictive factory plastic off your \u003cstrong\u003e2001-2004 Chevrolet Silverado \/ GMC Sierra 2500HD\/3500HD 6.6L Duramax LB7\u003c\/strong\u003e with the \u003cstrong\u003eWehrli 4\" Stage 2 Intake Kit with Air Box\u003c\/strong\u003e (Manufacturer Part # WCF100300). Fabricated aluminum intake pipe, sealed air box with a dry filter, and a 4\" high flow turbo intake horn — the whole inlet path from the fender to the turbo, in one kit. Installs with basic hand tools.\u003c\/p\u003e\n\n\u003ch4\u003eWhy Choose the Wehrli 4\" Stage 2 Intake Kit with Air Box?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4\" pipe in 14 gauge aluminum\u003c\/strong\u003e – large diameter with smooth aerodynamic bends in place of the factory plastic, improving intake air velocity and volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4\" high flow turbo intake horn included\u003c\/strong\u003e – removes the restriction in the OEM setup for better spool and top end power. Compatible with the OEM turbo and with upgraded drop-in IHI style turbochargers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold air from the inner fender\u003c\/strong\u003e – the sealed air box draws cooler air than the factory arrangement, which shows up as lower intake temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 gauge aluminum box and lid\u003c\/strong\u003e – heavier construction than anything plastic, and the lid element lifts off for a filter check without tearing the box down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry filter with a hydrophobic pre-filter cover\u003c\/strong\u003e – the Outerwears cover keeps water and grit out, protecting the MAF sensor, turbo and engine airways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed with an O-ring and T-bolt clamps\u003c\/strong\u003e – silicone boot, O-ring seal and stainless steel T-bolt clamps rather than the factory clips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore sound\u003c\/strong\u003e – a noticeably more aggressive engine and turbo note under acceleration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eKit Includes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e4\" intake pipe, 14 gauge aluminum\u003c\/li\u003e\n\u003cli\u003e4\" high flow turbo intake horn\u003c\/li\u003e\n\u003cli\u003eAir box and lid, 10 gauge aluminum sheet\u003c\/li\u003e\n\u003cli\u003eDry air filter\u003c\/li\u003e\n\u003cli\u003eOuterwears pre-filter cover\u003c\/li\u003e\n\u003cli\u003eSilicone boot, stainless steel T-bolt clamps and O-ring seal\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eInstallation Highlights\u003c\/h5\u003e\n\u003cp\u003eInstalls easily with basic hand tools. The high quality hardware, silicone boot and seals are there for durability as much as for ease of installation, and the removable air box lid keeps ongoing filter maintenance to a two-minute job.\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\u003eIntake pipe: 4\" diameter, 14 gauge aluminum\u003c\/li\u003e\n\u003cli\u003eTurbo intake horn: 4\" high flow, compatible with OEM and drop-in IHI style turbochargers\u003c\/li\u003e\n\u003cli\u003eAir box and lid: 10 gauge aluminum sheet\u003c\/li\u003e\n\u003cli\u003eFilter: dry element with Outerwears hydrophobic pre-filter cover\u003c\/li\u003e\n\u003cli\u003eSupersedes: WCF100636\u003c\/li\u003e\n\u003cli\u003eReplaces GM part numbers: 19201277, 25345138, 21993711, 15076901\u003c\/li\u003e\n\u003cli\u003eShipping weight: 17.0 lbs\u003c\/li\u003e\n\u003cli\u003ePackage dimensions: 16\" W x 16\" H x 24\" 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\u003e4\" pipe and 4\" turbo horn\u003c\/strong\u003e - the whole inlet path upsized, not just the tube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 gauge aluminum air box\u003c\/strong\u003e - sealed, serviceable, no plastic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry filter with Outerwears cover\u003c\/strong\u003e - protects the MAF sensor and turbo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIHI drop-in turbo compatible\u003c\/strong\u003e - works with the OEM charger or an upgrade.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasic hand tools\u003c\/strong\u003e - no drilling, no fabrication.\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\u003eLead time varies by color.\u003c\/strong\u003e WCFab Red, WCFab Grey, Gloss White 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\u003eThis part supersedes WCF100636. If you are cross-shopping an older listing under that number, this is the current version.\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\u003eWCF100300\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 Red","offer_id":43468198608938,"sku":"WCFWCF100300-BR","price":620.0,"currency_code":"USD","in_stock":true},{"title":"Bengal Blue","offer_id":43468198477866,"sku":"WCFWCF100300-BB","price":620.0,"currency_code":"USD","in_stock":true},{"title":"Bengal Grey","offer_id":43468198510634,"sku":"WCFWCF100300-BG","price":620.0,"currency_code":"USD","in_stock":true},{"title":"Brizzle Blue","offer_id":43468198674474,"sku":"WCFWCF100300-BRZ","price":620.0,"currency_code":"USD","in_stock":true},{"title":"Gun Metal","offer_id":43486288248874,"sku":"WCFWCF100300-GM","price":620.0,"currency_code":"USD","in_stock":true},{"title":"Kiwi Green","offer_id":43486288805930,"sku":"WCFWCF100300-KIWI","price":620.0,"currency_code":"USD","in_stock":true},{"title":"Semi-Gloss Black","offer_id":43468198936618,"sku":"WCFWCF100300-SGB","price":620.0,"currency_code":"USD","in_stock":true},{"title":"Sparkle Copper","offer_id":43468198871082,"sku":"WCFWCF100300-SC","price":668.51,"currency_code":"USD","in_stock":true},{"title":"Sparkle Bomber Orange","offer_id":43468198805546,"sku":"WCFWCF100300-SBO","price":668.51,"currency_code":"USD","in_stock":true},{"title":"Sparkle Granny Smith","offer_id":43468199002154,"sku":"WCFWCF100300-SGS","price":668.51,"currency_code":"USD","in_stock":true},{"title":"Illusion Purple","offer_id":43486288740394,"sku":"WCFWCF100300-IP","price":668.51,"currency_code":"USD","in_stock":true},{"title":"Illusion Blueberry","offer_id":41595907080234,"sku":"WCFWCF100300-IBB","price":668.51,"currency_code":"USD","in_stock":true},{"title":"Bengal Silver","offer_id":41620123877418,"sku":"WCFWCF100300-BS","price":620.0,"currency_code":"USD","in_stock":true},{"title":"Cat Yellow","offer_id":41620123910186,"sku":"WCFWCF100300-CAT","price":620.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/F221305401.jpg?v=1789581930","url":"https:\/\/fassmotorsports.com\/products\/wehrli-2001-2004-lb7-duramax-4-intake-kit-with-air-box-stage-2","provider":"FASS Motorsports","version":"1.0","type":"link"}