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03-07 Dodge 5.9L Cummins Steed Speed T4 Exhaust Manifold

89+ 5.9L/6.7L Cummins Steed Speed T4 Rear Dump Exhaust Manifold



*By checking this box you agree and understand that this part will take 4-6 weeks before shipping.


Currently all Steed Speed items have a 4-6 week lead time 

The only manifold available to give a substantial  gain in power and fuel economy.
Not cheap cast and not weak tubular. This is the finest fully CNC machined billet turbo manifold on the planet.
Easily outperforms every other manifold available.

Includes turbo mounting hardware only.

Available for 24 Valve style round ports & 12 Valve rectangle port styles. 12 Valve port style manifolds, please allow an additional 1-2 week lead time.

Don't want to switch to the "center dump" style exhaust manifold?
This manifold is the next best thing. You can retain your stock intake style intake & down pipe!

1 : Highest power
2 : Best economy
3 : Lowest EGTs
4 : Most durable
5 : Fastest turbo spool


  • Turbo mounting hardware
  • Turbo to manifold gasket
  • Cylinder head to manifold gaskets

This manifold is built with a T-4 Exhaust Flange.

Your satisfaction is guaranteed! If for any reason you are not happy with your Cummins manifold you can return it to us for a full refund. 



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