Anyone ever heard a 180 Degree exhaust LT1?
#23
Well very easy to see if its a 180 header or not. The primaries are all the same length, so the back two cylinders are coming way up and twisting around to equal the length of the fronts. So in the end it just looks like an insane mess of primaries.
#24
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So 3 & 5 merge with 2 & 8.
4 & 6 merge with 1 & 7.
The equal length makes it so the exhaust pulses (pockets of exhaust if you rather) are timed perfectly and fall in line so make it sound like one continuous exhaust note. Compared to what we actually have, which would STILL occur with equal length headers.