Quote:
Originally Posted by MLIFEM550
No I was going to but found out that it will leave imprint in your ecm therefore void your warranty. I talked to my SA on Saturday I prolly do jb4 which's is a Piggyback system and it could be removed without leaving anything in your ECM if something goes wrong.
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What kind of numbers is JB4 supposed to put out? Anything else interesting you could share about that tune?