BD High Flow Max Manifold

The first mod made to our 2004 Duramax was a manifold. Essentially GMC/Chevrolet designed the exhaust manifold (one side only) with a serious restriction. You could see that they intended to route some mechanical part close to the manifold but in the actual shipping version of the vehicle there is no reason for this restriction.

All engines need to breathe both in and out, any restriction will have an impact on engine power output. Within the diesel platform, this balanced flow of exhaust should also reduce  engine gas temperature (EGT), this is a good thing.

The following images show the simple change.

[pe2-image src=”http://lh6.ggpht.com/-SsQRelVraG4/U7zOok2H2uI/AAAAAAAAB2A/75OOdzrN3Ms/s144-c-o/Manifold_Duramax_Compare.jpg” href=”https://picasaweb.google.com/105339013868907141437/TruckStuff#6033924797250394850″ caption=”” type=”image” alt=”Manifold_Duramax_Compare.jpg” ]

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s