# The Shop CT-stay away

**URL:** <https://forums.speedlife.net/t/the-shop-ct-stay-away/261300>\
**Category:** Shift518 Automotive\
**Created:** [November 13, 2011, 1:47am UTC](https://forums.speedlife.net/t/the-shop-ct-stay-away/261300 "2011-11-13T01:47:53Z")\
**Posts on this page:** 1\
**Showing post:** 41

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**Author:** ![TurboTravis](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/turbotravis/32/6406_2.png) [@TurboTravis](https://forums.speedlife.net/u/TurboTravis)\
**Post date:** [November 13, 2011, 1:28pm UTC](https://forums.speedlife.net/t/the-shop-ct-stay-away/261300/41 "2011-11-13T13:28:20Z")

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> [@FS: 2002 Impreza WRX Wagon (Sold)](https://forums.speedlife.net/t/fs-2002-impreza-wrx-wagon-sold/46000/18):
>
> Most tuners DO NOT lock their tunes. On a GM ECU, locking actually changes the seed/key and renders the PCM useless to anyone but the original tuner (as in it can’t even be reflashed PERIOD). It’s really not a nice thing to do. The only time I could even see doing it is if you were offering some sort of warranty on the vehicle and you didn’t want the customer to mess with the tune.

Yep.

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