On September 15, 2021, Region 10 entered into an administrative Consent Agreement and Final Order
with Dunks Performance LLC (Dunks) for violations of Title II of the Clean Air Act. Between January
2018 and July 2020, Dunks sold at least 25 parts or component that defeat or remove required emission
controls on automobiles, including heavy-duty diesel vehicles and tampered with the emission control
systems of at least 6 vehicles. The $25,599 penalty was assessed as part of the Expedited Settlement
Agreement. This settlement is part of EPAs National Compliance Initiative for Stopping Aftermarket
Parts Defeat Devices for Vehicles and Engines.