You don't really need a boost gauge, although it wouldn't be a bad idea.
You'll probably need a new DV though...sooner or later. The stock DV won't last in a chipped car. You can just upgrade to the Audi TT DV for 25 bucks or so.
You'll probably need a new DV though...sooner or later. The stock DV won't last in a chipped car. You can just upgrade to the Audi TT DV for 25 bucks or so.