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I've got a 54 plate (05 model) UK STI with PPP, which is standard (apart from a green panel filter) and it reached 301.9bhp and 307.1lbft on a Dyno Dynamics rolling road at Race Solutions (was WRC-Tech). This was on Sainsbury's 97ron super unleaded too .
As stated, but the PPP kit bits are easly good for much more. Drop in a high flow panel filter, some colder plugs (NGK PRF7B's), get it remapped and you should see at least 330bhp with similar torque.
As stated, but the PPP kit bits are easly good for much more. Drop in a high flow panel filter, some colder plugs (NGK PRF7B's), get it remapped and you should see at least 330bhp with similar torque.