Hello dear fellow members of volvo forum , havent been here a long time i supous since 2013 when my volvo had a cooland owerheating and pipe blowing problems, but now all that is gone/fixed or smth like that.

im here wiht another problem , im interested in , upgrading my car , to get it more faster .. and i wounder is this stock turbo alright to keep or i need a new one ? and im looking into a Rica ECU ugrade thet gets me from 240 to 310HP atleast thay claim it with a proof i saw ...

hm and interested in another thing , what kind of cat back exhoust u recomend ? and is it possible and recomended to put a blow off valve on a 1998 c70 t5 automatic ?

thanks for your replays , and have a nice day