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Originally Posted by xFury
Hey everyone, newbie question coming here. So after reading those sticky and learning more info, its seem that its better to upgrade the HIE all together is that correct? Or would separate upgrade be fine also? Also For the headers, UEL and EL mainly produced different exhaust sounds (Beside the better power output on EL)?
Thanks!
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If you do a search for any particular header you may just find some dynos and you can see whether if the torque curve and power band is to your liking.
Generally UEL will have a earlier torque peak while EL will yield higher top end power. Peak power difference seem to be minimal with the short tube offerings. Though there are a few long tube EL header that produce amazing amount of bottom end torque. Long tube headers tend to be at the higher end of the price range for good reason. Longer tubes, more bends, more welding. So you tend to get what you pay for.
I've done exhaust components separately starting with catless front pipes of different diameters (resonated and non resonated), track pipe, catbacks, short tube and long tube headers by themselves and in various different combinations with the exhaust. They all yielded increase in power of different levels. I've settled on the factory catback and have used my track pipe maybe twice. (too damn loud)
As far as intakes go, I've not felt the need to upgrade aside from a washable drop in filter panel, then just a silicon intake tube mainly for clearance purposes. I've foud that intake tube by themselves ready don't do anything besides clean up the engine bay a bit. They also seem to heat soak a bit quicker than the stock intake tubing with all the accessories attached. I'm guessing all that surface area has a sort of heat sink effect, but I could be wrong.
Hope that helps.