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thanks, yes I was looking at their stuff....will have to check them out....anyone ever heard of this item? http://www.engineperformancechip.com/performance-chips-c-1/power-performance-chip-x2-p-8

so we are buying a 2010 mazda3 with the 2.5. What sort of performance upgrades can one do to this car without voiding the warranty? would hate to have to wait 3 years to play with it....from what I have read thus far there appears to be some room for improvement and the parts to do so...if you...