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Designed with 5 ports
the VCM Fuel Pump upgrade is designed to support up to 600-650HP
fuel vaporization and when you do enter boost EXTREMELY high intake air temps which can create a higher risk of engine knock which can result in engine failure if not tuned to remove very large amounts of ignition timing
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57S-4521 K&N Cold Air Intake Kit, 2012 - 2020 Holden Colorado/ TrailBlazer 2.8L L4 2.5 L5 Designed with 5 portsOVERVIEW The K&N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. Replacing the restrictive factory air filter and air box allows your engine to inhale more air than with the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. A fully enclosed injection molded air box connects to the factory air intake hose. The removable