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Chike, I think its necessary to consider perspective when looking at what works with the V-8 people. With the exception of the newest V-8's, most factory V-8 exhaust manifolds do not flow particularly well, and there is significant exhaust flow overlap between cylinders on the same side of a V-8 engine, so even a shorty header can provide smoother flow and some improved isolation between cylinders. OTOH, our factory SVX exhaust manifolds have a nice smooth flow pattern, and there is no exhaust flow overlap between cylinders on the same side of the engine. I think that the only thing that an aftermarket header can provide for the SVX is tuned scavenging which requires primaries that are at least 36" long to provide any scavenging in the useful part of the powerband.
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Mychailo
:: 2006 Silver Mitsubishi Evolution 9, E85, 34 psi peak, 425wtq/505whp DJ ::
1995 Laguna Blue SVX L AWD 5MT (sold)
Visit my locker
SVX Mods: ND iridium spark plugs, Impreza RS fpr, afr tuned to 13.2:1 using a custom MAF bypass, custom exhaust, WRX 5MT w/ STi RA 1st-4th gear & stock WRX 5th gear, Exedy 13 lb flywheel & Sport Clutch, STi Group N tranny & engine mounts, urethane spacers in rear subframe, rear diff mounts, and pitch stopper, SVX Sport Strut Springs (185f/150r), custom 19 mm rear swaybar, urethane swaybar mounts, Rota Torque 17x8", 225/45-17 Proxes 4 tires, Axxis Deluxe Plus organic brake pads.
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