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Services

We are not accepting new porting jobs at this time due to the high demand of our Big Bore Throttle Body Kits. We apologize for the inconvenience.

NWP Engineering currently offers custom porting services for all types of Nissans. If your application is not listed below, please contact us for an estimate.

Prices for the 2002-2008 VQ35DE Nissan Maxima and 2002-2006 Nissan Altima are as follows:


Intake Manifold (aka Lower Intake Manifold)
All 6 runners on top and all 6 runners on bottom are mildly ported and polished in order to smooth out airflow and remove all casting flaws.
All runners are ported and polished completely through with injector bumps removed.

$305.00


Intake Manifold Lower Collector (aka Upper Intake Manifold)
All 6 runners are enlarged and ported and polished to a depth of 2-3 inches to match the lower intake manifold.
The 2 elbow ports are mildly ported and polished to remove casting flaws to a depth of 1/2-1 inch.

$225.00


Intake Manifold Upper Collector (aka Elbow)
The 2 elbow ports are enlarged and ported and polished to a depth of 2-3 inches to match the upper intake manifold.
The Throttle Actuator (aka Throttle Body) port is mildly ported and polished to remove casting flaws to a depth of 2-3 inches.

$125.00


Note: All material and labor costs are included in the pricing above, but shipping is not. Please contact us for more information.