Quote:
Originally Posted by WildBillyT
No. Off of the top of my head, aside from catalytic converters, no exhaust component will change your emissions level.
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o really? i thought "higher flow" is what they check like the amount of exhaust volume that comes out?
so what changes emissions then? The size of your heads and cam?
how about "high flow" cats? I kno most catted-y's come with "high flow". would that change anything? I just want to make sure i have a clear understanding.