Hey, did you ever get any information/test waters? I've had mine serviced at Leith (oil change) and I'm about to start back down the modding road also. I had my Burger Tune intake on when I took it in and they said nothing but thats just an intake not sure about serious mods. I had a bad experience with purchase at Performance but that was mainly due to a newbie sales guy (rest of staff were great). Not sure about stance on modding.
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