GM E41 ECM Services (L5P) - Upgrade Only
Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning! Choose one of two options to upgrade your L5P E41 ECM for tuning: Purchase or Upgrade.
Shipping address for send-in E41 ECM service:Â HP Tuners (ATT: L5P ECM Service), 700 Eastwood Ln, Buffalo Grove, IL 60089
ECMs with broken “LOCKING†tabs or connectors WILL NOT be accepted for upgrades.
Original: $649.99
-70%$649.99
$195.00GM E41 ECM Services (L5P) - Upgrade Only
Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning! Choose one of two options to upgrade your L5P E41 ECM for tuning: Purchase or Upgrade.
Shipping address for send-in E41 ECM service:Â HP Tuners (ATT: L5P ECM Service), 700 Eastwood Ln, Buffalo Grove, IL 60089
ECMs with broken “LOCKING†tabs or connectors WILL NOT be accepted for upgrades.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning! Choose one of two options to upgrade your L5P E41 ECM for tuning: Purchase or Upgrade.
Shipping address for send-in E41 ECM service:Â HP Tuners (ATT: L5P ECM Service), 700 Eastwood Ln, Buffalo Grove, IL 60089
ECMs with broken “LOCKING†tabs or connectors WILL NOT be accepted for upgrades.
