GM T87A Unlock service E67 21-24 Chevy Tahoe 5

21-24 Chevy Tahoe 5

please purchase a P59 PCM as it will allow you to run up to 30 psi of boost

22-24 Chevy Silverado / GMC Sierra  5

A tune can be provided along with the unlock for an additional $500

GM T87A Unlock service E67 21-24 Chevy Tahoe 5This is an unlock service for your T87A TCM and does not include a tune. A tune can be provided along with the unlock for an additional $200. Upon purchase of this service you will be contacted by us through email where you will include all of your additional modifications, requests and receive further instructions. $150. 00 USD is standard for unlocking service $200. 00 USD is standard for the tune and may increase based on requests.