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I don’t believe MTM offers an ecu tune for the C5 anymore unfortunately.

I’d like to find out more about 034’s tune, and how they are able to get such high TQ numbers. They have most other tunes beat by 60-70 ft/lbs. Wonder if this would cause some tranny issues.

I was looking at 034's product. I've heard pretty good things overall.

Are you satisfied with it, or would you have preferred a custom map?

I should have clarified; I live in the states (Colorado).

MRC is obviously not a feasible option unfortunately.

I recently purchased a low-mileage RS6, and am looking to due an ECU upgrade.

Any opinions on a good "off-the-shelf" option? I was looking at 034, Vivid and Unitronic specifically. Unsure of what else is out there now.

Thanks!