KC Turbos Upgraded 7.3L Powerstroke Exhaust Manifolds - 1994.5–2003 Ford F-Series

Replace worn factory exhaust manifolds with KC Turbos upgraded exhaust manifolds for 1994.5–2003 Ford 7.3L Powerstroke pickup trucks. Built with reinforced castings, thicker mounting flanges, and redesigned exhaust runners, these manifolds are engineered to improve exhaust flow and help resist heat-related cracking and warping.

Built for Heat, Strength, and Flow

• High-silicon molybdenum cast iron construction for high-temperature strength and thermal stability.
• Increased casting thickness in high-stress areas and thicker mounting flanges for reliable sealing.
• Port-matched exhaust runners with over 20% more flow than stock, according to KC Turbos.
• Larger machined sealing surfaces help minimize hot spots.
• Re-engineered up-pipe mounting faces improve alignment and clamping under load.
• Pre-drilled EGT probe provision and factory EBP tube location, with plugs preinstalled.

Included in the Kit

• Upgraded exhaust manifolds.
• 16 updated OEM-style interference-thread manifold mounting bolts.
• Preinstalled NPT plugs.
• Stainless steel gaskets.

Fitment

Designed for 1994.5–2003 Ford 7.3L Powerstroke pickup applications, including OBS, early 1999, and late 1999–2003 configurations. Not designed for van applications. Select the correct application-specific kit.

Manufacturer application options and part numbers: 1994–1998 (OBS): 302873; Early 99: 302875; 1999.5–2003 (L99): 302874. KC lists the OBS option as 1994–1998 while the overall product fitment begins at 1994.5; confirm the correct application before ordering.

View KC Turbos installation instructions