When it comes to Detroit Diesel engines, exhaust flow, temperature control, and long-term durability matter. Our Detroit aftermarket exhaust manifolds are engineered to outperform OEM designs, delivering improved airflow, reduced heat, and dependable performance mile after mile.
We offer four Detroit manifold configurations—Low Mount, High Mount, S-Shape, and EGR—so you can find the right fit for your engine. Every manifold is designed with performance-driven features and backed by our 3-year warranty.
Performance Benefits Across All Detroit Manifolds
Every Detroit exhaust manifold we offer includes the same performance-enhancing design advantages:
- Reverse-Style Joints
- Male joints on end pieces, female joints on the center section
- Reverse of OEM design for smoother airflow
- Improved Fuel Efficiency
- Gain approximately 0.2–0.3 MPG
- Ceramic Coating
- Reduces radiant heat
- Improves exhaust gas velocity
- Lower Operating Temperatures
- Manifold temps reduced by up to 300°F
- EGTs reduced by 80–100°F
- Improved Turbo Response
- Reduced turbo lag
- Faster spool-up
- Long-Term Durability
- No cracking, leaking, or warping
- Improved gasket life
- Backed by Warranty
- 3-Year Warranty on all Detroit exhaust manifolds
Ready to see which is the right fit for you?
Detroit Low Mount Exhaust Manifold
Applications:
- Replaces OEM #23532122
- 12.7L & 14.0L non-EGR engines
- Primarily used in Freightliner & Western Star trucks
Detroit High Mount Exhaust Manifold
Applications:
- Replaces OEM #23519348
- Replaces OEM #23512986
- Replaces OEM #23511978
- 12.7L & 14.0L non-EGR engines
- Primarily used in Peterbilt & Kenworth trucks
Detroit S-Shape Exhaust Manifold
Applications:
- Replaces OEM #23516107
- Replaces OEM #23511977
- 12.7L & 14.0L non-EGR engines
- Primarily used in International & Volvo trucks
Detroit EGR Exhaust Manifold
Applications:
- Replaces OEM #23536449
- Replaces OEM #23533949
- Replaces OEM #23533862
- Replaces OEM #23533821
- Series 60 14.0L EGR engines
Built to Outperform OEM
Whether you’re running a pre-emission workhorse or an EGR-equipped Series 60, our Detroit exhaust manifolds are engineered to deliver better airflow, lower temperatures, improved fuel efficiency, and unmatched durability.
Backed by a 3-year warranty, these manifolds are built for drivers who demand more from their equipment—without the compromises of OEM designs.
