50 States Emissions Legal(E.O. D-701-39) The PPE Turbo Resonator Delete replaces the restrictive factory turbo resonator. This easy bolt-on upgrade allows for cooler, less restricted air to enter the intercooler system.

The CNC machined billet 6061-T6 aluminum construction features a steel retainer clip and a Viton O-ring.

GM Part Number: 55513244