Equal Length (ELH) Vs Unequal Length (UEL) Header Guide

From the Dawn of time Subaru WRX and STI have been born with Unequal length headers. They give us the iconic Subaru rumble that we all know and love. But what exactly are the differences and is one better than the other? well let's break it down and cover both manifolds for this chassis.

Personally I will always recommend Equal Length Headers for anyone as there are more benefits to this manifold design than Unequal length. But sometimes we just do not want to give up the sound....

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Suggested Headers (EJ Series)
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Suggested Equal Length Headers (FA Series)
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