Higher flow equals more power, and that’s exactly what the Mishimoto TGV delete kit does. TGVs, or tumble generator valves, are butterfly valves that kick-in during your engines cold startup to improve emissions. Once your vehicle hits optimal operating temperature, they open wide. Even when the valves are fully open, the rod portion of the valve creates an obstruction across the center of the intake manifold runner and impedes airflow. The Mishimoto TGV delete eliminates the butterfly valves and solenoids to smooth out the flow from the intake manifold to the cylinder head intake ports.
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