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Old 07-31-2012, 12:38 PM   #31
mike radowski
Registered User
 
Join Date: Aug 2008
Location: NJ
Posts: 67
My Ride: 02 M3, 97 turbo M3
Nice looking manifold and jigs. Should support big power.

As I mentioned before, the 1.5" sch 10 runners are the exact dimensions of the Steedspeed manifold internally(they are actually ~1.6" inside diameter ports). I do believe you will make more power with this full tubular manifold. Fitting a 6-1 tubular manifold with the 1.5" schedule 10 pipe is a pain due to the bigger bend radius. We use 1.25" sch 10 pipe on most of the e36 manifolds. My car does have 1.5" sch 10 primaries now.
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02 M3 - Maximum PSI S2 turbo kit - 9.74@145.99, stock motor, stock ECU, first in the 9's
97 M3 - Maximum PSI turbocharged - 8.94@164.33, stock ECU, first in the 9's, first in the 8's
16 M3 - Under the knife
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