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Dodge Viper Generation 3 (2003 - 2006) Cylinder Head Flow Data

Viper Gen 2 Head Viper Gen 3 Combustion Chamger

Comparitive Analysis - Stock Viper Generation 3 heads and Ned ported heads

Intake Port Flow

Viper Gen 3 - intake flow comparison

Exhaust Port Flow

Viper Gen 3 - exhaust flow comparison

Cylinder Head Porting Modifications performed by Ned Erkman and Cylinder Head Machining Modifications Performed by Serge Tourikian
All Viper Cylinder Head Modifications and Flow Testing conducted at Rolling Thunderz
* Exhaust Flow testing conducted with a 1.75 diameter header pipe in accordance to proper flow testing procedures.
* All Flow Test Data rounderd to the nearest 5 CFM and accurate to within 3 CFM on our Superflow 600 Flow Bench.

Viper Gen 3 heads