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2003 ECU Upgrade

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Old 06-15-2015 | 02:43 PM
Glennd's Avatar
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From: Long Island
Default 2003 ECU Upgrade
Anyone know of a reputable shop to reprogram a miata '03? I have heard mixed stories that you get an increase of 4-11 RWP?
 
Last edited by Glennd; 06-16-2015 at 12:11 PM.
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