Quote:
Originally Posted by Chaslieb
Plenty of flash tunes for cars with downpipes, but was wondering if anyone with a downpipe and the dinan box waiting for their turbo tried turning on the stage 4 tune? Theoretically it should work with just a downpipe but who knows. Flash tune is cheaper and possibly better but immediately creates warranty issues, and there is something attractive about being able to switch boost levels from a phone app on the fly.
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Flash tunes will introduce "ECU tampering" fault codes that wont clear. This will be noticed by the dealer and they will make notes in your file.