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Posted by bcjjones, Nov 4, 2011
Newbie Forum - Beginner/newbie/general DSM modification questions. First mods, how to run 10's when you haven't run 12's yet, any tech question that doesn't fit in another tech forum.
It's designed to recirculate the exhaust gas, thereby decreasing the effective displacement of your engine. The engine injects enough fuel for the fresh air coming in (since that's all the MAF will measure) while the already burnt exhaust will more or less just be inert in the air charge. It is only active during low load conditions, like while cruising. There really isn't much of a reason to remove it. Most end up removing it because they go with an upgraded intake manifold, and they don't have the EGR.
I bet you can't tell when your EGR is working and when it isn't. So the horsepower argument is pointless.
If you car is pretty much stock, just leave it. The EGR hoses and solenoids don't take up much space. And you can move the solenoid down the firewall if it's an eyesore.
It does help lower emissions by reburning some of the exhaust, which gives some of the compounds a second chance to reburn.
Just pick your favorite vendor and check on their site.
In the 20 minutes since you posted, you could have checked at least 10 of them.