Dodge Viper Generation 4 DC PERFORMANCE Ported Intake Manifold

When the Generation 4 Viper motor first went into production we took a good look at the design of the intake and exhaust to see where we could pick up some power without upsetting the delicate tuning balance of the engine. We knew there was some power on the table in the intake manifold. After intense development and looking at what everyone else was doing, we came up with modified intake manifold that flowed dramatically better than stock. Changes to the manifold are significant, over 3 pounds of material was removed.

Tests were done on a 2009 Viper with Belanger headers, side exhaust and Mopar PCM. Before and after tests were done on different days, but the testing criteria was exactly the same and the same fuel was used. (91 octane)

Here are some pictures of the manifold compared to stock and our results. Results were over 20rwhp. Manifolds are $1200 exchange. $150 Polished top, $75 black heat paint.