Hi all ,
I'm sure this been done before

Got a track saff and want to up power after shows , got stage 3 with t34.63 and greens , 335bhp 363lbft .

What next turbo and be good on track ?
I know slot of people like/dislike t38's but want some opinions on turbos .

I want a responsive trackday car and my thought is gt30 but unsure right for me

I await the replys