How Much Max Power For A 325 Ix ?

[FastSeb]

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Hi guys !

I am a happy howner of a 325 ix from 1987 (cabriolet Bauer)

I would like to add some hp to my actuals 175.

I have a few different solutions in mind (either a compressor or a Nos injection system) but my question is : if I add like 50 hp to 70 hp to my engine, will every other parts be able to follow ? I mean, is the 4 wheels drive transmission gonna take it ? and what about my gearbox and my brakes ? and internal parts of the engine ? used

Any answer, advise or experience about that will be welcome.

Thx, and peace !

Seb.