The turbo on the 2.4T AWD engine is the light pressure turbo (one of the smallest in the td04hl family) and runs out of puff at about 12psi. In standard form the 2.4 LPT engine has a maximum boost of approx 6 psi and that is at 4800rpm, after that the boost is reduced by the ecu, so it is quite sedate.
A simple remap (or manual boost controller) is a quick way to make more power. Though the injectors are a limiting factor.
For a bit more power you can fit a 16T turbo (pick one up cheap on ebay, there is usually a few about) and white injectors (or bigger) from the x70 T5 engine and get it remapped.
Also worth mentioning is routine maintenance. Check the AWD system is in good condition (oil levels, propshaft joints and centre bearing) and make sure the tyres wear evenly by swapping the fronts to the back periodically (different tread depths can put extra stress on the AWD components and possibly break something).
A stage 0/check of the engine bay (oil, filters, plugs, intake piping, vacuum/turbo piping) is probably a good idea too.
Other than that just enjoy the grip
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