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4BT Cummins Steed Speed Exhaust Manifold w/Center T3 Flange

Currently all Steed Speed items have a 8-12 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.

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 ceramic coated and built with a T-3 Exhaust Flange that is pointing at a 45 degree angle downwards, the same as stock.

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. 

 **Does NOT come with any manifold to cylinder head mounting hardware**

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