Originally I was planning on bumping the ECU. I know there has been some argument about wether it effects the fuel mixture at idle or throughout the entire power band, but a lot of people have had success with it, so I figured it can't hurt. But I decided to buy a power commander for a couple reasons
First, I don't want to pull my spark plugs half a dozen times trying to get the amount of "bump" correct on both cylinders.
Second, I was only going to use the bump with a new set of pipes. But I know eventually I will want to install a VBAK. In that case I don't believe the ECU bump is enough, and I'd end up buying a power commander anyway. So I'm just going to save myself a lot of time and frusteration and skip the ECU bump and buy the power commander. After all, it's winter and I have nothing better to do except save up money to get one.
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