EGR A.K.A Exhaust gas recirculate. It is a emission component that takes the nitrus oxide from the exhaust and puts it back into the cylinder cooling it down and helping it remain inert and not produce smog when it comes out the tail pipe. Also helps the gas stay warm in the cylinder causign better fuel efficency.
You dont need platinum plugs, but they do help.
Sunday, February 10th, 2008 AT 7:34 AM