I am not a green nut by any means but what I really want to see is the car community stop removing their catalytic converters. They provide pretty much all the emissions for gasoline cars. We continuously see 200-500hp, stock cars even, removing these thinking it does something, when in reality they are only picking up a few hp. Unless you're running a ton of boost or whatever setup that could melt a cat, you don't need to remove it. It comes down to money too, since aftermarket exhaust with cats are always more money.
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