Originally Posted by 70GS455
So with a tune, you have to re-tune and re-spend that money again every time you make a mechanical change. But with an adaptable/tuneable feedback-based piggyback, you just tweak a few *****. Sounds a lot cheaper. And you buy one injector instead of 6.
I don't think you would need the 6th injector. but yes with a tuneable piggyback, you could tune, make changes and not have to get reflashes.