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They bolt right up to the stock exhaust manifold. I recommend extrude hone, porting the exhuast manifold. Jet-hot coated it as well. Require custom down pipes made like mine with external wastegates. There is no room for internal wastegates because of the size of the turbos (160mm compressor housing). The driver side turbo compressor housing requires discharge snout cut off and weld a 2 in ID aluminum elbow from turbonetics.
The stock intake pipes require the flange cut off and weld 2 inches of pipe onto it with bead or ridge so hose doesn't slip off.
The stock oil lines and water lines bolt on just fine. The biggest fabrication will be the down pipes and then the elbow on the driverside. Spool up so far as been 8psi of boost by 4K rpm 16psi by 4500rmp . But I think there is room for improvement because my car isn't tune yet and might have possible boost leaks. Talk to Tom Porter at Incon. Do a search on the net for their number. I don't have it with me. He sold me the turbos. They are the GT35BB the 400HP version not the 350HP version . With .64 a/r on the turbine housing Mike
Arizona'a most powerful 600HP 15 second Z
More powerful than a stock TT , slower than an NA
Dynoed 515 rwhp and 420 ft.lbs @ 16psi 89 degrees.
533 rwhp and 450 ft. lbs @19 psi and slipping clutch
and heat soaked motor , 85 degrees.
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