Hummer Forums by Elcova - Another emissions and gas milage question

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- Technical Discussion and Customizing your H2 (http://www.elcovaforums.com/forums/forumdisplay.php?f=5)

- - Another emissions and gas milage question (http://www.elcovaforums.com/forums/showthread.php?t=6414)

W1N	07-20-2005 02:41 AM

Hey,

How much performance headers or/and exhaust systems (like the one H2S online store offers) cause more emissions than a stock H2? Or do they? I'm not a tree hugger, but we have some really strict emission laws over here.

How is the gas milage compared to the stock?

Thanks!

W1N	07-20-2005 02:41 AM

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