Thread: EGR Valve
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Old 12-15-2021, 01:16 AM   #5
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In the US....tis illegal to not have one, as it is illegal to tamper w/smog controls.

I've seen lots of posts saying that you get more power w/one. Horse doo-doo, or toro poo-poo. Introducing an inert gas, that does not burn (exhaust) in to the combustion chamber reduces the pressure in the chamber which reduces the production of Nitrides (its main purpose) and thereby reduces power.

Or maybe it can be splained to me (a quote from Ricky Ricardo).
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