I'm in the process of selling my saab 2003 vector/aero for a4 1.8 turbo but I have some questions which most likely eveyone has answered a thousand times before. My saab does 0-60 in well under 7 seconds without a chip and all the power is down low in the gear which I like. I feel like the car doesn't run as hot and when I need the power its on tap right away. I plan to chip the A4 for sure will I have a similar experience? Do the chips make the car run super hot or no? Is the power down low in the gear or up high? Which chips is best and which one is best for not messing up the 100,000 mile warranty.