Quote:
Originally Posted by DoomsdayJesus
What's the difference between the EL and UEL in terms of performance and application? I've never done headers before.
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Noise. Honestly, its just not a boxer engine without that exaggerated boxer rumble. Ideally, an equal length header will net more power, but in practice, most of the dyno tunes I've seen net around the same amount of power. The important part being that you get it tuned.
The biggest issue to worry about is replacing the standard exhaust manifold, which clearly is not up to the task. UEL or EL, I'd bet your get more power from the car by taping a bunch of McDonalds straws together in the shape of a header and attaching them to the engine. The stock exhaust manifold is that bad.
Well, maybe not that bad, but you get the point.