2.5" is good for a N/A application sky, not bad for a turbo. A local 240 solo racer in my hood had about 240ish HP on his KAT. He recently upgraded to a 3" exhaust system, and dyno'd his car shortly after. He gained over 20HP with the 3" exhaust, so in my opinion, 3" for a turbo application is the way to go, even if you are pushing less than 250HP, you know when funds are available, that HP # will be bloated considerably.
here is the link
http://forums.son240sx.ca/viewtopic.php?t=222
sky, maine, red, why don't you guys join our toronto club? You guys are always there to offer advice, good advice at that, I think you'd make a good addition to our local club. And we got a few very knowledgeable guys there as well, so its a win win situation.
Supafaggot, stay outta the son240sx club please.
Bob, I'll take you for a boot in my car around some nice twisties. All I really upgraded on my exhaust is a free flow muffler, and it did make a difference. You may just want to source a free flow muffler, just to open up mid range a little.
OK, supa idiot, first off, you go blasting me for something I didn't say. I didn't say the probe looked like a 240, dees did. Why don't you go attacking him, snatch sniffer? Yeah, I thought so, you can't battle the great ones. You are such a newb man, the attacks I take are usually from friends, its all an act you F'in moron! Don't like my language? I misspell on purpose, freakin reject, this ain't no university paper I'm writing. Never heard the term "politicin'"? Figures, you're a geek trapped behind a cpu monitor, and the only time you grow some nads to attack someone, is when you figure a whole cavalry will back you up, since you've abviously seen me being attacked from multiple members. You are such a freakin moron, I ain't wasting anymore time on your stupid arse. And what is a 240sx hatchback called, oh smart and almighty master of the nissan world? Who the hell are you? And if you want to join our little discussion, why don't you offer some advice to those asking, or some input based on personal experience, either yours or a friends, instead of being all gung ho and jumping the "flame pimpin' bandwagon"? If you need friends, go to a local bar, but your low blow cheap shot attacks at me are not making you gain any respect from members here, nor are they entertaining or funny. Attack me again tough guy, the conversation has taken a turn for the better, we don't need your stupid little comments here thank you.
Start a new thread, if you have a bone to pick with me, I'll be waiting..........
:owned