{"product_id":"2011-2016-lml-wcfab-4-stage-2-intake-kit-with-airbox-wcf100304","title":"2011-2016 LML WCFAB 4\" STAGE 2 INTAKE KIT WITH AIRBOX WCF100304","description":"\u003cp data-start=\"171\" data-end=\"622\"\u003eUpgrade your 2011–2016 Duramax LML with the WCFab 4\" Stage 2 Intake Kit with Airbox (WCF100304), engineered to significantly improve airflow, turbo efficiency, and overall engine performance. This intake system features a large 4-inch aluminum intake pipe, sealed aluminum airbox, and high-flow dry air filter designed to reduce restriction and allow your turbocharger to pull cooler, denser air for improved horsepower, torque, and throttle response.\u003c\/p\u003e\n\u003cp data-start=\"624\" data-end=\"1016\"\u003eThe Stage 2 intake includes a high-flow turbo intake horn that removes the restrictive factory intake horn and resonator, improving turbo spool, top-end power, and delivering a more aggressive turbo sound. The sealed airbox draws cold air from the inner fender while protecting the filter from engine bay heat and debris, helping maintain lower intake temperatures and consistent performance.\u003c\/p\u003e\n\u003cp data-start=\"1018\" data-end=\"1349\"\u003eConstructed from aluminum with durable powder coat finishes and high-quality silicone boots and stainless T-bolt clamps, this intake system is built for durability, performance, and easy installation. This is a direct bolt-on upgrade that installs with basic hand tools and requires no tuning.\u003c\/p\u003e\n\u003cp data-start=\"1018\" data-end=\"1349\"\u003e \u003c\/p\u003e\n\u003ch1 data-section-id=\"1fah8gx\" data-start=\"1356\" data-end=\"1366\"\u003eFeatures\u003c\/h1\u003e\n\u003cul data-start=\"1367\" data-end=\"1789\"\u003e\n\u003cli data-section-id=\"5h9b1x\" data-start=\"1367\" data-end=\"1404\"\u003e4\" high-flow aluminum intake pipe\u003c\/li\u003e\n\u003cli data-section-id=\"1dre5zx\" data-start=\"1405\" data-end=\"1439\"\u003eSealed aluminum airbox and lid\u003c\/li\u003e\n\u003cli data-section-id=\"d8accs\" data-start=\"1440\" data-end=\"1468\"\u003eHigh-flow dry air filter\u003c\/li\u003e\n\u003cli data-section-id=\"1mnse0f\" data-start=\"1469\" data-end=\"1509\"\u003eIncludes high-flow turbo intake horn\u003c\/li\u003e\n\u003cli data-section-id=\"1o9v2fk\" data-start=\"1510\" data-end=\"1556\"\u003eImproves turbo spool and throttle response\u003c\/li\u003e\n\u003cli data-section-id=\"n7zigw\" data-start=\"1557\" data-end=\"1592\"\u003eIncreases horsepower and torque\u003c\/li\u003e\n\u003cli data-section-id=\"1590q0j\" data-start=\"1593\" data-end=\"1629\"\u003eDraws cold air from inner fender\u003c\/li\u003e\n\u003cli data-section-id=\"1pwhhne\" data-start=\"1630\" data-end=\"1676\"\u003eSilicone boots and stainless T-bolt clamps\u003c\/li\u003e\n\u003cli data-section-id=\"16wstrh\" data-start=\"1677\" data-end=\"1701\"\u003eBolt-on installation\u003c\/li\u003e\n\u003cli data-section-id=\"1jaqs9b\" data-start=\"1702\" data-end=\"1724\"\u003eNo tuning required\u003c\/li\u003e\n\u003cli data-section-id=\"qq4lzw\" data-start=\"1725\" data-end=\"1744\"\u003eMade in the USA\u003c\/li\u003e\n\u003cli data-section-id=\"1oq3clm\" data-start=\"1745\" data-end=\"1789\"\u003eAvailable in multiple powder coat colors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"4wkopc\" data-start=\"1796\" data-end=\"1824\"\u003eBenefits Over Stock Intake\u003c\/h1\u003e\n\u003cp data-start=\"1825\" data-end=\"2062\"\u003eThis Stage 2 intake system offers major airflow improvements compared to the factory intake system and intake horn, helping the engine breathe easier and improving overall performance and efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1825\" data-end=\"2062\"\u003e \u003c\/p\u003e\n\u003ch1 data-section-id=\"2cn7zj\" data-start=\"2069\" data-end=\"2078\"\u003eFitment\u003c\/h1\u003e\n\u003cp data-start=\"2079\" data-end=\"2194\"\u003e\u003cstrong data-start=\"2079\" data-end=\"2126\"\u003e2011 – 2016 Chevy Silverado 2500HD \/ 3500HD\u003c\/strong\u003e\u003cbr data-start=\"2126\" data-end=\"2129\"\u003e\u003cstrong data-start=\"2129\" data-end=\"2171\"\u003e2011 – 2016 GMC Sierra 2500HD \/ 3500HD\u003c\/strong\u003e\u003cbr data-start=\"2171\" data-end=\"2174\"\u003e\u003cstrong data-start=\"2174\" data-end=\"2194\"\u003e6.6L Duramax LML\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2079\" data-end=\"2194\"\u003e \u003c\/p\u003e\n\u003ch1 data-section-id=\"5f9yd\" data-start=\"2201\" data-end=\"2208\"\u003eNotes\u003c\/h1\u003e\n\u003cul data-start=\"2209\" data-end=\"2374\"\u003e\n\u003cli data-section-id=\"1pycgls\" data-start=\"2209\" data-end=\"2266\"\u003e2011 trucks may require updated PCV valve for fitment\u003c\/li\u003e\n\u003cli data-section-id=\"1occ9rx\" data-start=\"2267\" data-end=\"2344\"\u003eNot compatible with some aftermarket Y-bridges that relocate intake inlet\u003c\/li\u003e\n\u003cli data-section-id=\"18gh4lu\" data-start=\"2345\" data-end=\"2374\"\u003eCannot ship to California\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JAT Supply Co","offers":[{"title":"BENGAL BLUE","offer_id":45414438830271,"sku":null,"price":840.0,"currency_code":"USD","in_stock":true},{"title":"BRONZE 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WHITE","offer_id":45414439125183,"sku":null,"price":840.0,"currency_code":"USD","in_stock":true},{"title":"ILLUSION PURPLE","offer_id":45414439157951,"sku":null,"price":890.0,"currency_code":"USD","in_stock":true},{"title":"WCFAB RED","offer_id":45414439190719,"sku":null,"price":890.0,"currency_code":"USD","in_stock":true},{"title":"SEMI-GLOSS BLACK","offer_id":45414439223487,"sku":null,"price":840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/8433\/0175\/files\/Screenshot_2026-03-26_at_7.12.56_PM.png?v=1775527315","url":"https:\/\/jatsupplyco.com\/products\/2011-2016-lml-wcfab-4-stage-2-intake-kit-with-airbox-wcf100304","provider":"JAT Supply Co","version":"1.0","type":"link"}