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#1
07-20-2005, 02:41 AM
Hummer Expert
Join Date: Feb 2005
Location: Helsinki, Finland
Posts: 682
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!
__________________
Image's nothing-BOOST IS EVERYTHING
#2
07-20-2005, 02:41 AM
Hummer Expert
Join Date: Feb 2005
Location: Helsinki, Finland
Posts: 682
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!
__________________
Image's nothing-BOOST IS EVERYTHING
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