Which one is better? On a ztec.
<font size="2" face="Verdana, Arial">I wouldn't say that. I'b bet that if you got a good filter, you're getting some increase. I've seen the air flow demonstrations that show just how much better K&N's (for example) flow than a stock OEM paper filter.Originally posted by Focizx3:
i just stuck a filter at the end of my stock pipe works just fine for me i doubt it has any power gains but its better than nothing