*Please verify your OEM number(s) before purchasing.
- Cummins Exhaust Manifold
- OEM Part Number Cross Reference: 3880199
- Fits Cummins ISX Non-EGR Engines (1999 - 2003)
- Benefits:
- Improves Fuel Efficiency by 0.2~0.3 MPG
- Increases Engine Power by 28~32 HP
- Lowers Manifold Temperatures by ~300 °F
- Reduces Exhaust Temperatures by 80~100 °F
- Made with Specially Formulated Virgin Metals
- Composed of a High-Quality Stainless Steel Casting
- More Durable Than Recycled Metals in Factory Parts
- Retains Better Elasticity than Factory Manifolds
- Thicker Exhaust Flange and Center Divider than OEM
- Reversed Male End Pieces and Female Center Section Improve Airflow over OEM
- Press-Fit Design; Tight Tolerances Allow for a 50% Increase In Surface Contact