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franken · 10-19-2013, 10:43 PM

Emission reducing parts have a negative connotation and the to remove desire them is common. Some bits do no harm (to performance) and others are beneficial.

So, if a smog bit does no harm and reduce emissions, why remove them?

PCV (which is actually a benefit) and the charcoal canister are a pair of things that should be kept...

10-19-2013, 10:43 PM	#7
franken Registered User Join Date: Jun 2013 Location: Somewhere Posts: 3,057	Re: What the Heck are these??? Emission reducing parts have a negative connotation and the to remove desire them is common. Some bits do no harm (to performance) and others are beneficial. So, if a smog bit does no harm and reduce emissions, why remove them? PCV (which is actually a benefit) and the charcoal canister are a pair of things that should be kept...