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The Forced Performance manifold porting option provides a porting treatment for exhaust manifolds as an available upgrade choice. Intended to improve the manifold's internal flow characteristics to better match port geometry, this service or option is offered by the manufacturer for customers seeking finer flow matching on manifold parts from Forced Performance without changing the core manifold hardware.
Forced Performance Manifold Porting Option (Drop Ship Only - Option requires order with Turbo)
