Thread: PCM Tuning- negates Factory Warranty?
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Old 03-27-2009, 07:59 PM
Brianb231 Brianb231 is offline
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Default Re: PCM Tuning- negates Factory Warranty?
I have heard that those handheld plug and play tuners are not as good as having someone plug in with a laptop and road tune it? Is that true?
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