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Old 09-03-2013, 02:42 PM
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Yesterday's tune on AARH SPEC's MY12/13 STi. Ecu on these newer models are very different. The factory settings will cause the AFRs to lean out with just an exhaust upgrade, so a tune is required.

Mods on AARH SPEC included full XForce TBE and Process West CAI.



Tune yielded 304.3hp and 464.7Nm. Boost was maxed at 1.44bar@4750rpm and tapered down to 1 bar@6400rpm

Last edited by mao; 09-03-2013 at 02:44 PM. Reason: Boost info