LB7 Duramax Intercoolers & Piping

Enhance your 2001–2004 LB7 Duramax’s performance with high-quality intercoolers and piping. Designed to reduce intake air temperatures and improve airflow, these upgrades increase horsepower, torque, and engine efficiency. Choose from durable intercoolers and custom piping solutions tailored for your 6.6L Duramax diesel truck.