{"product_id":"wehrli-2011-2016-lml-duramax-4-intake-kit-with-air-box-stage-2","title":"Wehrli 2011-2016 LML Duramax 4\" Intake Kit with Air Box Stage 2","description":"\u003cp\u003eReplace the restrictive plastic inlet on your \u003cstrong\u003e2011-2016 Chevrolet Silverado \/ GMC Sierra 2500HD\/3500HD 6.6L Duramax LML\u003c\/strong\u003e with the \u003cstrong\u003eWehrli 4\" Stage 2 Intake Kit with Air Box\u003c\/strong\u003e (Manufacturer Part # WCF100304). Fabricated 4\" aluminum pipe, sealed 10 gauge air box with a dry filter, and a 4.8\" cast aluminum turbo intake horn that deletes the factory resonators. Wehrli measures 37% more airflow than the stock intake. Bolt on, no tuning required.\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\u003e37% more airflow than stock\u003c\/strong\u003e – Wehrli's own figure for the intake, plus another 5.6% over the stock intake horn, from 4\" piping with smooth aerodynamic bends instead of molded plastic corners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.8\" cast aluminum turbo intake horn included\u003c\/strong\u003e – removes the OEM restriction and eliminates the factory resonators, which cleans up the engine bay and lets the turbo actually be heard. Compatible with the OEM charger and with drop-in VGT style upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold air from the inner fender\u003c\/strong\u003e – the sealed box pulls cooler air than the factory setup, so intake temperatures drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 gauge aluminum box and lid\u003c\/strong\u003e – and the lid element comes off for a filter inspection without dismantling anything.\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 off the element, protecting the MAF sensor, turbo and engine airways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicone boots and stainless T-bolt clamps\u003c\/strong\u003e – sealed properly, and easier to install than the factory clip hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom powder coat\u003c\/strong\u003e – finished 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\u003e4\" intake pipe, 14 gauge aluminum\u003c\/li\u003e\n\u003cli\u003e4.8\" high flow cast aluminum 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 and stainless steel T-bolt clamps\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 and needs no tuning — it bolts onto an otherwise stock truck. The removable air box lid keeps ongoing filter service to a couple of minutes.\u003c\/p\u003e\n\n\u003ch5\u003eFits These Models\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003e2011, 2012, 2013, 2014, 2015 and 2016 Chevrolet Silverado 2500HD\/3500HD and GMC Sierra 2500HD\/3500HD with the 6.6L Duramax LML.\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: 4.8\" high flow cast aluminum, compatible with OEM and drop-in VGT 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\u003eAirflow: 37% improvement over the stock intake, 5.6% over the stock intake horn, per Wehrli\u003c\/li\u003e\n\u003cli\u003eReplaces GM part numbers: 23467660, 20917396, 15819728, 25881207, 20847795, 23210121, 22870902\u003c\/li\u003e\n\u003cli\u003eShipping weight: 13.0 lbs\u003c\/li\u003e\n\u003cli\u003ePackage dimensions: 36\" W x 18\" 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\u003e37% airflow gain over stock\u003c\/strong\u003e - measured by Wehrli, not estimated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.8\" cast turbo horn included\u003c\/strong\u003e - resonators deleted, VGT drop-in compatible.\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\u003eNo tuning required\u003c\/strong\u003e - bolt on to a stock truck.\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⚠ 2011 model year trucks must update the PCV regulating valve\u003c\/strong\u003e to 2012-2016 model year spec for this part to fit and function correctly. If you have a 2011, sort the valve before you install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e⚠ Not compatible with aftermarket LML Y-bridges\u003c\/strong\u003e that relocate the manifold or bridge inlet away from the original factory driver side inlet position.\u003c\/li\u003e\n\u003cli\u003eThe air box is \u003cstrong\u003enot\u003c\/strong\u003e compatible with the intake pipe from kits WCF100337, WCF100689 or WCF100691.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead time varies by color.\u003c\/strong\u003e WCFab Red, WCFab Grey, Candy Teal, Bengal Red, Gloss Black and Gloss White 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\u003c\/ul\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/www.wcfab.com\/files\/Installation%20Instructions\/lml-stage-2-intake-kit-with-air-box_wcf100304.pdf\"\u003eInstallation Instructions Available Here\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eFASS SKU: \u003cstrong\u003e[ADD FASS SKU]\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Part #: \u003cstrong\u003eWCF100304\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 LML? 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":41001979838506,"sku":"WCFWCF100304-BB","price":839.28,"currency_code":"USD","in_stock":true},{"title":"Candy Red","offer_id":41001979871274,"sku":"WCFWCF100304-CR","price":887.79,"currency_code":"USD","in_stock":true},{"title":"Gloss Black","offer_id":41001979904042,"sku":"WCFWCF100304-GB","price":839.28,"currency_code":"USD","in_stock":true},{"title":"WCFab Grey","offer_id":41001979936810,"sku":"WCFWCF100304-GRY","price":887.79,"currency_code":"USD","in_stock":true},{"title":"Gloss White","offer_id":41001979969578,"sku":"WCFWCF100304-GW","price":839.28,"currency_code":"USD","in_stock":true},{"title":"WCFab Red","offer_id":41001980002346,"sku":"WCFWCF100304-RED","price":887.79,"currency_code":"USD","in_stock":true},{"title":"Bronze Chrome","offer_id":41868728008746,"sku":"WCFWCF100304-BC","price":887.79,"currency_code":"USD","in_stock":true},{"title":"Bengal Red","offer_id":41868728074282,"sku":"WCFWCF100304-BR","price":839.28,"currency_code":"USD","in_stock":true},{"title":"Candy Teal","offer_id":41868728172586,"sku":"WCFWCF100304-CT","price":887.79,"currency_code":"USD","in_stock":true},{"title":"Illusion Blueberry","offer_id":41868728205354,"sku":"WCFWCF100304-IBB","price":887.79,"currency_code":"USD","in_stock":true},{"title":"Illusion Purple","offer_id":41868728434730,"sku":"WCFWCF100304-IP","price":887.79,"currency_code":"USD","in_stock":true},{"title":"Chevy Orange","offer_id":44040262451242,"sku":"WCFWCF100304-CRO","price":839.28,"currency_code":"USD","in_stock":true},{"title":"Custom","offer_id":44135466237994,"sku":"WCFWCF100304-CSTM","price":936.3,"currency_code":"USD","in_stock":true},{"title":"Cat Yellow","offer_id":44161623064618,"sku":"WCFWCF100304-CAT","price":839.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/F221301169_7c70cb8c-a04d-4055-9cb0-e074fc5ddec0.jpg?v=1789582172","url":"https:\/\/fassmotorsports.com\/products\/wehrli-2011-2016-lml-duramax-4-intake-kit-with-air-box-stage-2","provider":"FASS Motorsports","version":"1.0","type":"link"}