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2015+ Stage 2 power ?

Old 09 June 2019, 10:06 AM
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Scott.T
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Default 2015+ Stage 2 power ?

Hi guys
Been away from here for a while a toying with the idea of a 2015+ STi.
I'm aware of the piston/ringland issues but I've owned Subaru since 2001 so have seen plenty of issues but not personally experienced any.

That aside tuning of the 2015+ seems pretty dead compared to earlier models.
However there are Staged options so i was wondering what Stage 2 power gains look like and who in th UK can or wants to touch them.
Or is it Cobb or Stratified only.

Unfortunately USA tuners either don't quote figures or if they do it's ATW not flywheel and on different octane to the UK.

Cheers

Last edited by Scott.T; 09 June 2019 at 10:08 AM.
Old 09 June 2019, 12:29 PM
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Gambit
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They are no different to previous hatch/saloon 2.5sti in that they run vf48 and dual avcs. Ecutek can be done. Stage 2 will be up round 350-70 and diceing with ringland failure
Old 10 June 2019, 08:56 AM
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BrownPantsRacing
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And head gasket failure.

As Gambit says, think of their engines and drivelines as a hatch STI and you won't be far off. The standard VF48 will generally top out at 350bhp on these cars even with the dual AVCS. Mine is mapped to 335bhp currently, but mine is fully forged now after an engine failure and going to 450bhp very soon.
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