{"product_id":"srf-l5p-duramax-intake-horn","title":"SRF L5P Duramax Intake Horn","description":"\u003cp class=\"isSelectedEnd\"\u003eTake the restriction out of your L5P intake system with the SRF L5P Duramax Intake Horn, designed and manufactured by Square Root Fabrication with performance and airflow as the priority.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eUnlike traditional aluminum intake horns, the SRF L5P Intake Horn is manufactured from high-strength carbon-fiber reinforced nylon. This provides a strong, lightweight intake while also helping isolate the incoming air charge from under-hood heat compared with a highly heat-conductive metal intake horn.\u003c\/p\u003e\n\u003ch2\u003eTwo Versions Available\u003c\/h2\u003e\n\u003ch3\u003e4” Intake Horn\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003eOur 4” version is designed for street, performance, towing, and modified L5P applications where increased airflow is desired while maintaining a practical intake size.\u003c\/p\u003e\n\u003ch3\u003e4.5” Competition Intake Horn\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003eBuilt for serious performance applications, the 4.5” version features an oversized inlet designed for competition and high-horsepower L5P combinations where maximum airflow is the priority.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eDue to its larger size, the 4.5” version is intended for custom and competition-oriented setups and may require modifications or additional components for proper fitment depending on the vehicle and intake configuration. It should not be considered a direct drop-in replacement for every L5P application.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the 6.6L L5P Duramax\u003c\/li\u003e\n\u003cli\u003eManufactured from carbon-fiber reinforced nylon\u003c\/li\u003e\n\u003cli\u003eAvailable with a 4” or 4.5” inlet\u003c\/li\u003e\n\u003cli\u003e4” version designed for street, towing, performance, and modified applications\u003c\/li\u003e\n\u003cli\u003e4.5” competition version designed for maximum-airflow, high-horsepower combinations\u003c\/li\u003e\n\u003cli\u003eSmooth internal transitions designed to reduce restriction and turbulence\u003c\/li\u003e\n\u003cli\u003eLightweight and extremely durable construction\u003c\/li\u003e\n\u003cli\u003eReduced heat transfer compared with traditional aluminum intake components\u003c\/li\u003e\n\u003cli\u003eDesigned to support increased airflow on modified and high-horsepower L5P combinations\u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured by Square Root Fabrication\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003eFrom a street-driven L5P to an all-out competition build, SRF gives you an intake horn designed around the airflow demands of your setup.\u003c\/p\u003e\n\u003cp\u003eMore airflow. Less restriction. Built the SRF way.\u003c\/p\u003e","brand":"Square Root Fab","offers":[{"title":"4\"","offer_id":53437342777633,"sku":"L5P-4in-Intk-hrn","price":275.0,"currency_code":"USD","in_stock":true},{"title":"4.5\"","offer_id":53437342810401,"sku":"L5P-4.5in-Intk-hrn","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/7772\/4193\/files\/l5p-duramax-4-inch-competition-intake-horn.webp?v=1788617976","url":"https:\/\/squarerootfabrication.com\/products\/srf-l5p-duramax-intake-horn","provider":"Square Root Fab","version":"1.0","type":"link"}