Additional information

Weight 7 lbs
Dimensions 21 × 13.125 × 4.25 in
Service

Purchase, Upgrade

In stock

GM E41 ECM Services (L5P)

SKU: ECM-00-L5P

Get your 2017-2023 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.

If you own a 2018-2023 model year, you can upgrade your truck directly via the OBDII port! Find out more.

Shipping address for send-in services: HP Tuners [ATT: GM E41 ECM Service(L5P)], 700 Eastwood Ln, Buffalo Grove, IL 60089

ECMs with broken “LOCKING” tabs or connectors WILL NOT be accepted for upgrades.

See instructional videos!

Price range: $649.99 through $1,499.99

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Fast Shipping

Ships in 1-3 Business Days

Easy-Returns

Quick Technical Support

Fast Response Time, Pro Support

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