Hi
I've been talking to my local Subaru tuner and AWD Subarus with similar specification motors to mine are making 360 - 380 kW at all four wheels.
I've been thinking that there must be a restriction somewhere in my setup, I'm running a Varex muffler and a water to air intercooler.
My ECU has an exhaust pressure map sensor so the other night my son and I did some extensiveness testing.
So 290kpa inlet, 350kpa exhaust On 25psi (eboost), so 1:1.2 which is quite acceptable.
We also checked pressure drop across the intercooler which was about 3 psi.
So now that I'm confident that my setup is not causing issues I'm going back for a touchup tune with some more timing and boost as suggested by the Subaru tuner.
Steve
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STI powered 1303 in the works.
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