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Originally Posted by sasha055
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An e-bay chip? At those prices?? Trust me - it's crap, and you don't want it. The term you are looking for is FLASH your ECU, and if you are going to chip the car, flashing through the serial diagnostic port is generally the preferred way to go if it's possible on that model of car, since it doesn't involve physically removing and opening the ECU and adding an EPROM, all of which carry additional risks, and potential warranty problems if you still have one.
On a normally-aspirated engine, the effects from a (legitimate, not the ones you link to) tuner's flash programming are usually pretty modest and will increase power and torque by playing with all the spark, fueling and air parameters, sometimes raising the rev limiter and removing the top-speed limiter if there is one. On these motors, which for the most part leave the factory pretty close to maxed out in terms of potential output unless you plan on turbocharging or supercharging them, I would expect the effect of even a good flash program to be even less, and probably hard to notice unless you have also opened up the exhaust and intake for the better.
If you DO want to chip your car, at least go with a tuner that has been around for a while, has a solid reputation, will back up their products and whose products actually work. That would be GIAC, APR and Revo.
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