I heard the intercooler is in the ~500 range and the turbo/manifold assembly is in the 500-600 range. Not sure though. For 550 I could easily get a high flow spearco IC from FWDPerformance.
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Patrick
05 SRT-4: Daily Driver, 11.9@117.4
88 Aries: 2.2L Turbo (Powered by Megasquirt II)