Why Equal Length Headers?

Simply put, the header directs hot exhaust gases away from the cylinder and into the turbocharger. ... This results in lower cylinder temperature on an equal length header, which can help prevent ringland failure.

Are equal length headers important?

How EQUAL Length headers eliminate tuning problems and also also finer engine tuning to further improve performance. Importance on the street as well as at the track.

Why are unequal length headers bad?

The unequal lengths makes 2 cylinders flow differently then the other 2 cylinders. Ideally you want all 4 flowing the same amount and rate, equal length headers will balance the flow.