Originally Posted by RCZ

^ thats what I was wondering too. Is this stage 0? They advertised "Up to 450" and then the stage 1 is "Up to 500" lol. I hope stage 1 isnt stage0 + exhaust (as it normally is) because that means an exhaust is worth 80hp lol. Considering everyone else is claiming they are getting their stage 2 soon...which is supposed to make up to 550 lol. I'd really love to see that. I guess when you put "up to" before it, you can write whatever you want. Shouldve just said "Up to 600" with supporting nitrous.