Detroit 9348 Exhaust Manifold- High Mount

• Pre-Emission Engine
• Replaces OEM# 23519348, 23512986, and 23411978
• Primarily used in peter built and Kenworth Trucks
• 12.7L and 14.0L non-EGR engines

Joints for end pieces are switched to males ends instead of female for increased flow. Increases fuel Mileage by .2-.3 MPG, has ceramic coating to reduce heat absorption and improves air velocity, lowers EGT's 80-100 F and manifold temps 300 F, less turbo lag and offers a 3 year warranty on any cracks or warping.