Originally Posted by dubster99
If you have a built engine, don't skimp out and just run a chipped ECU. The problem with these piggyback EBAY chips is that they aren't matched correctly to the build, and often result in a worse tune. The reason they add so much on a VW is by altering boost as well.
Piggyback ebay ECU???
No not for me mine was reprogrammed and not chipped
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