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performance pcm/ecu mods ODB II (96+ ) (i.e. 1999 sts)

1804 Views 1 Reply 2 Participants Last post by  Katshot
Anyone know of any place that offers a performance pcm or upgrade or plug in computer or flash programmer to change the performance? as in, making 1st gear work when traction is off, air/fuel ratio, shifting firmness, etc.. This would be on a 1999 STS

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Sorry but NO. :(
Do a Google search on it and as I ALWAYS suggest, keep checking with Ed Wright at
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