Best start with turbo-back exhaust, then cold air intake, boost controller and a plumbed back blow off valve, might as well upgrade your fuel pump too this will require a tune
@@monkeyman3148 the bov is a factor but it’s mostly his custom built turbo with the 20% atmospheric bov, look on his instagram he’s got more clips and better explanation, but simply it’s not just the Bov but the turbo as well