Quote:
Originally Posted by phrosty
Are EL and UEL actually different enough that you can tell without sound and a dyno? I was under the impression that it was pretty small.
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Most EL headers will still have the pronounced dip in torque at around 4000RPM compared to UEL with little or no dip at the same area. You will feel the difference when you try to accelerate from regular cruising RPMs. The "dip" occurs at an RPM where you'd want the most torque, IMO, if you do any kind of DDing.