Your dealer guys are clueless. I don't think I've seen a single person on this forum who's bought a "chip" and come on here to brag about it. Why would you do a chip, then tune the car for it, when you could just tune the stock ECM?
My understanding is that all the chips do is fool the ECM into thinking some parameters have changed, when they haven't. Just do the tune, IMO.
But do your other mods first, like CAI, ported TB, intake manifold spacer, headers, etc. Then tune.
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All bleeding stops eventually -- 2012 2LT Auto w/sunroof -- My journal thread
Roto-Fab Intake & W/W Relocate Kit -- ADM Race Scoop -- Dynomax VT Axle-Back Exhaust -- Vitesse Throttle Controller
RX Catch Can -- Drake Bowtie Delete -- JacFab Radio Face Cover -- LED Fog Lights -- LED Dome/Trunk/Plate Lights -- Gen5DIY Dash ABL -- Diode Dynamics Cupholder Lighting
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