shadower

hi

my06 full milltek decat pannel filter and map by powerstation

running 345bhp @1.25 boost what next ??

thanks

ex-webby

If you have a 2.5 it wont be cheap...... as your pistons wont like 400bhp reliably.

Get better pistons and a suitable hybrid turbo (a number are available) and 400bhp is fairly straight forward assuming you are on about an STI.

shadower

yes soory its sti uk

should i let powerstation do them as they have done the rest ??

and what pistons and con rods and tdo5 20g turbo from andy f