Has anyone had any experience with adding a performance chip to an AH Astra SRi 2.2L? I am contemplating between a UniChip and a PowerChip.
How much power and fuel efficiency increase is there?
Advise please?
Warning: This is an Old Thread
This discussion is older than 120 days. information contained in it may no longer be current . Please think of the children before resurrecting this ancient thread!
