The Spectre Polished Aluminum 4 Inch Dual Plenum gives you the ability to design your own custom cold air intake system. With an ultra-low profile design, the dual plenum can fit under many flat...

The Spectre Polished Aluminum 4 Inch Dual Plenum gives you the ability to design your own custom cold air intake system. With an ultra-low profile design, the dual plenum can fit under the majority...

The Spectre Polished Aluminum 4 Inch Dual Plenum gives you the ability to design your own custom cold air intake system. With an ultra-low profile design, the dual plenum can fit under many flat...

Spectre's Air Intake Kits are available for a number of applications and are designed to fit your classic muscle car. Manufactured from high quality polished aluminum, the cast aluminum plenum fits...