The GC8 MY99/00 STi intercoolers are the same efficiency as the vanilla model unit. Changing to the same year STi item is a Blingrade not an upgrade. BTW an original 99/00 tmic is very efficient with the addition of a water spray. However after fitting my MRT Bar and Plate TMIC I lowered the boost level by 1 psi, still made another 5kw atw with similar A/F and timing.

Don't know any other cars running a 12.8 qtr mile with a TD04 turbo @105.38 mph on an original wrx engine love my MRT B&P tmic

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Speak to Shane @ SMC Tyres, Unit 6/385 Sevenoaks St Beckenham WA 6107. Mobile 0413 128 087. Tell him Maddog sent you!