{"product_id":"exhaust-housing-for-ford-f250-f350-f450-1999-2003-7-3l-powerstroke-diesel","title":"Exhaust Housing for Ford F250 F350 F450 (1999-2003) 7.3L Powerstroke Diesel","description":"\u003ch2\u003eHigh-Flow Turbine Exhaust Housing for 1999-2003 Ford F-250, F-350, F-450 (7.3L Powerstroke \/ P131)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDesigned to replace restrictive factory turbo exhaust housings, this cast iron turbine outlet increases exhaust flow and effectively lowers Exhaust Gas Temperatures (EGTs) for heavy towing applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock F-250, F-350, F-450 Turbo Restriction\u003c\/h3\u003e\n\u003cp\u003eThe factory turbine housing on the 1999.5-2003 7.3L Powerstroke (Navistar T444E) was engineered with a conservative A\/R ratio to prioritize rapid spool-up at the expense of high-end flow capacity. Under sustained loads—such as pulling a heavy fifth wheel up a grade—this restrictive factory casting causes significant exhaust backpressure. This bottleneck forces hot exhaust gases to back up into the manifold, driving up Exhaust Gas Temperatures (EGTs) to critical levels. Prolonged exposure to these excessive temperatures accelerates wear on the turbocharger internals, exhaust valves, and pistons, while also choking top-end horsepower and torque production during demanding hauling cycles.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-replacement turbine exhaust housing is manufactured from heavy-duty cast iron to withstand the severe thermal cycling of heavy-duty diesel applications. By optimizing the internal volute geometry and expanding the exhaust outlet diameter, this housing significantly improves exhaust gas velocity and volume clearance. The reduction in drive pressure allows the turbocharger compressor wheel to spin more freely, improving overall volumetric efficiency. Mechanically, this translates to drastically reduced EGTs during sustained heavy towing and a noticeable increase in mid-range to top-end performance. It is machined as a direct-fit replacement for the Garrett GTP38 turbocharger on late 1999 through 2003 models, maintaining factory mounting points while delivering upgraded flow dynamics. Includes the necessary installation bolts.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1999.5-2003 Ford F-250, F-350, F-450, F-550, E-Series\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e7.3L Powerstroke (Navistar T444E) \/ P131 \/ P473\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e235-275 hp \/ 500-525 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUT11862MA865TE (Interchange: 451274-0005, A-1383801-N)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1999.5 Ford F-250, F-350, F-450, F-550 7.3L Powerstroke Diesel\u003c\/li\u003e\n  \u003cli\u003e2000 Ford F-250, F-350, F-450, F-550 7.3L Powerstroke Diesel\u003c\/li\u003e\n  \u003cli\u003e2001 Ford F-250, F-350, F-450, F-550 7.3L Powerstroke Diesel\u003c\/li\u003e\n  \u003cli\u003e2002 Ford F-250, F-350, F-450, F-550 7.3L Powerstroke Diesel\u003c\/li\u003e\n  \u003cli\u003e2003 Ford F-250, F-350, F-450, F-550 7.3L Powerstroke Diesel\u003c\/li\u003e\n  \u003cli\u003e1999.5-2003 Ford E-250, E-350, E-450 7.3L Powerstroke Diesel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Ford Super Duty Standard\u003c\/h3\u003e\n\u003cp\u003eWhen building a 7.3L Powerstroke for heavy hauling and sustained workloads, managing thermal loads is critical. This upgraded turbine housing ensures your Super Duty maintains safe EGTs while delivering the durability, airflow, and torque required to tow heavy payloads without compromising engine longevity.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":48205783564536,"sku":"DS-EF9D3RHHJ","price":84.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/exhaust-housing-for-ford-f250-f350-f450-1999-2003-7-3l-powerstroke-diesel-1.webp?v=1775595164","url":"https:\/\/performancechiptuning.com\/products\/exhaust-housing-for-ford-f250-f350-f450-1999-2003-7-3l-powerstroke-diesel","provider":"Performance Chip Tuning","version":"1.0","type":"link"}