Have the mockup manifolds done after alot of trimming measuring adjusting 1000 times over.
Finally have them both equal length at 33.5" so if my maths is right should help peak power!
Original primary and secondary length was around 25" so that would make its peak power somewhere over 7000rpm!!!
heres a few pics. Need to order a few bits of pipe a start welding!
Also when Y pipe it connected to secondarys,It should properly line up with the center section!
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