Martin R Posted May 31, 2013 Posted May 31, 2013 A work of art from Jim. I asked for 1 and 3/4 inch all the way to the manifold for my ported VHPD head and Jim agreed it was the best idea. Also a flexy SCRP to help with the noise hopefully.
the DustRoom Posted June 8, 2013 Posted June 8, 2013 Very nice; looking to get one on mine but would need one with a flexi section as my cat and exhaust don't have one.
2bular Posted June 9, 2013 Posted June 9, 2013 Thank you Martin! Any K-series manifold you see with a flexy is a compromised design - i.e. the secondary lengths are wrong. The 2bular K-series 4-2-1 comes with its own flexy de-cat pipe (you do need a flexy somewhere in the system) included in the price. This pipe is 57mm diameter - the correct bore for best power/torque (not the 63.5mm dia supplied by numpties). If you spec a Cat, I weld the flexy in before it. If you have your own Cat, send it to me and I'll weld in a flexy section.
AlanS1 Posted August 24, 2013 Posted August 24, 2013 Great looking piece of engineering. What sort of price would one of these set you back?
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