Filter on a stick is the loudest, if that's what you're going for. But sucking up engine bay heat is the tradeoff. You'd lose power in stop and go traffic. Iffy if you'd gain any power at speed. Not worth it for those of us looking to make the most power per dollar spent.
Turbo muffler delete is negligible. And no power gains from it. If you spend the money and are expecting it, you tell yourself it sounds better, maybe you'll sell yourself on it. I haven't seen a before and after videos of the same car, on the same day, filmed the same way, that made any sound difference I could perceive.
I went with the autotech intake when it was on sale around Christmas a couple years ago. All it is is a slightly bigger hard pipe from the airbox to the turbo inlet and a slightly revised (smoother internally) top half of the box, with a drop in AFE filter. Had it not been like $100, at the time, I would have just done the drop in and called it a day.
I prefer more power to more noise nowadays. But I drove an externally gated t3 turbo with an HKS SSQV on my mk1 focus when I was a "kid". I loved all the noises back then, but learned that less attention gained is worth more to me nowadays. I don't need every civic si with a fartpipe and stickers all over the fenders revving his engine at me and calling attention. If I want to run, i'll rev at a coyote or vette (or Bentley Bentayga, lol).
