ISO: cold air for my 04 echo

[Bluevitz-rs]

Just a heads up. Keeping the original air box no mater what you do to it won't net you any gains. I speak from personal experience.

Way back when my car was pretty new I went to the drag strip with some guys, one had an echo identical to mine. He had nothing but the AEM CAI. I had a header and Borla axle back. I'd beat him on the tree every time and then he'd start gaining on me and beat me to the line. Didn't matter what I did to the airbox, nothing would help. I even tried leaving it propped open with no filter for one pass.

[tarkus]

Originally Posted by Bluevitz-rs

Just a heads up. Keeping the original air box no mater what you do to it won't net you any gains. I speak from personal experience.

Way back when my car was pretty new I went to the drag strip with some guys, one had an echo identical to mine. He had nothing but the AEM CAI. I had a header and Borla axle back. I'd beat him on the tree every time and then he'd start gaining on me and beat me to the line. Didn't matter what I did to the airbox, nothing would help. I even tried leaving it propped open with no filter for one pass.

I think there must have been other factors at play here. Once you get down to the basic shell of the air box plus a K&N filter, you have very little resistance to the air flow and you're in the same ball park as a piece of pipe with a cone filter on the end. Plus your ECU is also less likely to complain. I admit I've not drag raced, but I've had good results this way.

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