Exhaust Manifold

• Pre-Emission Engine
• Replaces OEM #23519348
• Replaces OEM #23512986
• Replaces OEM #23511978
• Primarily used in Peterbilt & Kenworth Trucks
• 12.7L & 14.0L non-EGR engines

Please call for more information on additional applications.

• Joints: Male on end piece, Female on center section
• Joints are a reverse of OEM, resulting in better air flow
• Increase Fuel Mileage .2 -.3 mpg
• Ceramic coating reduces heat & improves air velocity
• Lower manifold temps 300*F
• Lower EGT’s 80-100*F
• Reduce turbo lag
• No cracking, leaking or warping
• Improves gasket life
• 2-Year Warranty

• OEM #23536449
• Replaces OEM #23533949
• Replaces OEM #23533862
• Replaces OEM #23533821
• Series 60 14.0L with emission trucks (EGR)

Please call for more information on specific applications.

• Joints: Male on end piece, Female on center section
• Joints are a reverse of OEM, resulting in better air flow
• Increase Fuel Mileage .2 -.3 mpg
• Ceramic coating reduces heat & improves air velocity
• Lower manifold temps 300*F
• Lower EGT’s 80-100*F
• Reduce turbo lag
• No cracking, leaking or warping
• Improves gasket life