T3 Exhaust Manifold for 03-07 5.9 Cummins 3rd Gen
OEM replacement part for MOPAR PN 5135788AC
A direct fit replacement performance manifold for 2003-07 5.9 Cummins in Dodge Pickups.
This is a T-3 flange which is the same as the stock turbo.
Our design is based on Computational Fluid Dynamic (CFD) Testing, which will results in quicker turbo spool-up, and improves flow characteristics over 23% compared to the factory manifold. This manifold is ceramic paint coated to withstand high temperatures.
** Legal for installation and street use in California, California E.O. Exemption**
With our multi-piece divided T3-flange design our manifolds can expand and contract with heat, eliminating warping and cracking.
Lower's EGT on the rear ports by as much as 200 degrees F. Balances the exhaust temps across the cylinders much better then the factory manifold.
The factory heat shield will be removed for installation as it is unecessary. See the instructions included in the box for more information.
Features Include:
- Flows 23% more than the stock manifold.
- Flow tested and balanced for increased balanced exhaust flow, while maintaining velocity for increased turbo spool up.
- Keeps rear cylinders up to 200 degrees cooler
- Includes 6 gaskets.
- Drilled/Tapped ports for pyrometer and pressure fitting.
- Made from Moly-Bendum Ductile Iron.
- Black High Temperature Coating
- Comes pressed together, pressure tested and ready to install
- T3 Flange
Free shipping to the lower 48 states. When shipping to anywhere outside of the lower 48 states, additional shipping fees may apply.
