This is a custom ROAD/RACE ported center plenum. Ported in house, performance gains are going to be 5%ish increase in power and serious improvement on throttle response. If you have RRM bored throttle body and intake manifold, this completes the set. This will help maximize all other mods on the intake side of the motor. This is going to really help TURBO and SUPER-CHARGED guys even more but N/A guys are going to feel the difference. Core charge of $300.
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