Quote:
Originally Posted by armstrom
Can anyone share experience with different header options? I know Harrop suggest the ACE 400 but considering that's three times the price of the popular Gruppe-S UEL header... Is it REALLY that much better? I'm currently bone stock aside from the Harrop kit so I'm looking to take the next step. Headers seem to be the best option. I've been looking at catted options since I would prefer not to have obnoxious rasp and drone. However, I'm not sold on the idea that a catted setup will provide any significant gains over stock. Yes, I know there are dozens of threads out there debating the merits of different header setups but I'm curious what would be the best match for this kit and a stock header-back exhaust.
Thanks!
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If you are looking for the absolute peak most power, then ACE is THE header, however, if it isn't in your budget, there are plenty of others that will deliver a nice bump in power with/or without being paired with a supercharger. You should choose one then, for the sound you want, and the build quality.
As far as I know, ACE, JDL and PTUNING are the only header manufactures that build a header specifically for FI, that is why they are typically recommended; in the case of Harrop, they run an ACE header on their time attack car with good results.