Quote:
Originally Posted by Reaper
The header was designed for emissions. The intake was not.
If you cut out the cat from the factory header and tune it on e85, it's very easy to make over 200whp with a stock car. Factory header works pretty good. So does the intake.
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Beat me to it.
But I will restate anyway
Compromises must be made in header design to meet emissions and efficiency requirements, sacrificing max power output.
No such compromises needed to be made in the intake design, so to say that "stock header can be improved upon, therefore stock intake can also be improved upon" is a poor assumption, regardless of whether or not it is true