417 products

Sort By

Best selling
  • Sort By

Unleash LB7 Duramax with Performance Upgrades from Tameless Performance!

We offers a wide range of parts to boost your LB7 Duramax's power, torque, and horsepower, leaving competitors in the dust. Increase your 2001-2004 LB7 Duramax performance while potentially improving fuel efficiency with these upgrades: 

  • Air Intake & Filters: Upgraded air intake systems can improve airflow and increase your power output! Check out performance Intakes by S&B Filters
  • Fuel System: Performance upgrades like injectors and fuel pumps can optimize fuel delivery and contribute to increased power and efficiency. Fuel Lift Pumps by Fass Fuel, Performance Injectors and Pumps by S&S Diesel, and CP3 Injection Pumps from Fleece Performance.  
  • Exhaust System: Performance exhaust systems can improve exhaust flow and potentially unlock additional horsepower [Tameless Performance].
  • Engine & Components: This section might include performance parts like turbochargers, engine internals, and programmers to further enhance your engine's capabilities [Tameless Performance].
  • Drivetrain & Differentials: Upgraded clutches, torque converters, and differentials can handle the increased power and improve overall driving experience [Tameless Performance].
  • Transmission: Performance transmissions or upgraded components can optimize power transfer and improve handling of increased torque [Tameless Performance].