Quote:
Originally Posted by Dimman
They both go forward and up, but pretty different designs as far as 4-1 vs 4-2-1. Plus significant differences in the power curves on the dyno show that no-one is copying anyone.
It's just a matter of similar use of the same limited space.
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Yea there's only so many ways to route the pipe underneath the engine.. it's only got 2 places to go: stay underneath or come up in front of the engine, then there's only ONE place to exit, the overpipe area.. After a while, all headers are going to start looking the same, the more brands that come out.