{"product_id":"pdi-big-boss-intake-manifold-cummins-x15-isx15","title":"PDI Big Boss Intake Manifold – Cummins ISX15 \/ X15 CM2350 (2013.5–2024)","description":"\u003ch2\u003ePDI Big Boss Intake Manifold – Cummins ISX15 \/ X15 CM2350\u003c\/h2\u003e\n\n\u003cp\u003e\nThe PDI Big Boss Intake Manifold is a premium performance upgrade engineered for \n2013.5–2024 Cummins ISX15 and X15 engines. Designed to improve and balance airflow throughout the engine, \nthis direct-replacement intake manifold increases airflow by up to 35%, lowers intake air temperatures, \nand can deliver gains of up to 20 additional horsepower.\n\u003c\/p\u003e\n\n\u003cp\u003e\nUnlike restrictive factory manifolds, the PDI Big Boss Intake Manifold features an optimized internal design \nthat distributes air more evenly across all cylinders. The result is improved combustion efficiency, \nenhanced throttle response, lower intake temperatures, and increased overall engine performance.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDirect replacement for factory Cummins intake manifold\u003c\/li\u003e\n\n\u003cli\u003eDesigned for 2013.5–2024 Cummins ISX15 and X15 engines\u003c\/li\u003e\n\n\u003cli\u003eIncreases airflow by up to 35%\u003c\/li\u003e\n\n\u003cli\u003eHelps reduce intake air temperatures\u003c\/li\u003e\n\n\u003cli\u003eCan deliver gains of up to 20 horsepower\u003c\/li\u003e\n\n\u003cli\u003eImproves airflow balance across cylinders\u003c\/li\u003e\n\n\u003cli\u003eUtilizes factory mounting hardware\u003c\/li\u003e\n\n\u003cli\u003eAvailable in Red Ceramic or Chrome finishes\u003c\/li\u003e\n\n\u003cli\u003eMade for owner-operators and performance-minded fleets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e PDI\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Big Boss™\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 102000064481\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Cummins ISX15 \/ X15 CM2350\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eEngine Years:\u003c\/strong\u003e 2013.5–2024\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Performance Intake Manifold\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Unlimited Mileage Warranty\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct Bolt-On Replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cp\u003e\nCompatible with Peterbilt, Kenworth, Freightliner, Western Star, Volvo, International, and other \nClass 8 truck applications equipped with Cummins ISX15 and X15 CM2350 engines from 2013.5 through 2024.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eUp to 35% more airflow than stock\u003c\/li\u003e\n\n\u003cli\u003eImproved cylinder-to-cylinder airflow balance\u003c\/li\u003e\n\n\u003cli\u003eReduced intake air temperatures\u003c\/li\u003e\n\n\u003cli\u003eEnhanced throttle response\u003c\/li\u003e\n\n\u003cli\u003eImproved combustion efficiency\u003c\/li\u003e\n\n\u003cli\u003ePotential horsepower gains up to 20 HP\u003c\/li\u003e\n\n\u003cli\u003eSupports improved fuel economy and drivability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCross Reference\u003c\/h3\u003e\n\n\u003cp\u003e\nThis PDI Big Boss Intake Manifold replaces OEM intake manifold assemblies including:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins:\u003c\/strong\u003e 5440760\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eCummins:\u003c\/strong\u003e 3688355\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003ePDI:\u003c\/strong\u003e 102000064481\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Upgrade Your Intake Manifold?\u003c\/h3\u003e\n\n\u003cp\u003e\nFactory intake manifolds can create airflow restrictions and uneven air distribution between cylinders. \nThe PDI Big Boss Intake Manifold is engineered to improve airflow efficiency, helping your engine breathe easier under load while improving overall performance and efficiency.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eBuilt for Performance and Efficiency\u003c\/h3\u003e\n\n\u003cp\u003e\nPDI designed the Big Boss Intake Manifold to help owner-operators and fleets get more out of their Cummins engine. \nImproved airflow and lower intake temperatures can help support better fuel economy, stronger pulling power, and enhanced engine responsiveness. :contentReference[oaicite:0]{index=0} mileage warranty. \u003c\/p\u003e","brand":"PDI | Performance Diesel Inc.","offers":[{"title":"Default Title","offer_id":66832478601261,"sku":null,"price":1595.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/9446_2_forWeb_d6b3060b-6ecf-4010-928e-d0da3e8a5417.jpg?v=1780756653","url":"https:\/\/performancedieselgroup.com\/products\/pdi-big-boss-intake-manifold-cummins-x15-isx15","provider":"Performance Diesel Group","version":"1.0","type":"link"}