L98 dual exhaust
04-12-2008, 05:51 AM
#41
Burning Brakes
Member Since: Sep 2006
Location: Spring Grove Illinois
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Here is something I don't understand...Why use an XPipe ??? I'm pretty close to going true duals..No Cats...I don't have emissions here...So Am I not thinking correctly or missing something??? Long tubes,2 1/2" pipe back to mufflers that's all...
04-12-2008, 10:49 AM
#42
Drifting
Member Since: Oct 2006
Location: Citrus Heights California
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Yo Marc! How the heck ya doin Bro! 
Thanks very much for the pics mseven, that system looks terrific!
I really like the apparent flexibility of moving the cats for fitment, not to mention being able to trim the other pieces here 'n there as well. I think it'd look pretty sharp with some Corsas back there too & maybe that way I could actually hear the stereo at cruise speed 
This may be the way to go depending on current price!
anesthes, I know your point and it's well taken.......analogous to the oversize header trap people fall into. I exaggerated a bit myself when I said 700, but my issue is this: I want a strong all purpose car, something that idles thru the shopping center like a stocker, gets 25+ mpg on the freeway, but can still kick azz when I hit my favorite onramp
And.... I live in California and don't want to play the game when it comes to smog issues.
I really don't want to cam it, because then I'll need to be dead on with the tune when it smogs, and I'd need to look at gears My thinking is to cheat the duration gremlins when I do a 200 shot by getting more flow. That's the plan anyway. FWIW, you're very close to the projected HP gains......I did back to back dynos; one with a baseline and one with the headers open. I gained 20RWHP and I know it sounds crazy, but I also gained 5lbs torque. Weird huh?
Thanks for everyone's input, I really hate doing stuff like this twice 'cause it wasn't planned right the first time
Thanks very much for the pics mseven, that system looks terrific!
I really like the apparent flexibility of moving the cats for fitment, not to mention being able to trim the other pieces here 'n there as well. I think it'd look pretty sharp with some Corsas back there too & maybe that way I could actually hear the stereo at cruise speed This may be the way to go depending on current price!anesthes, I know your point and it's well taken.......analogous to the oversize header trap people fall into. I exaggerated a bit myself when I said 700, but my issue is this: I want a strong all purpose car, something that idles thru the shopping center like a stocker, gets 25+ mpg on the freeway, but can still kick azz when I hit my favorite onramp
And.... I live in California and don't want to play the game when it comes to smog issues. I really don't want to cam it, because then I'll need to be dead on with the tune when it smogs, and I'd need to look at gears
My thinking is to cheat the duration gremlins when I do a 200 shot by getting more flow. That's the plan anyway. FWIW, you're very close to the projected HP gains......I did back to back dynos; one with a baseline and one with the headers open. I gained 20RWHP and I know it sounds crazy, but I also gained 5lbs torque. Weird huh?Thanks for everyone's input, I really hate doing stuff like this twice 'cause it wasn't planned right the first time
I would love to have true duals. 3" is probably too big for me. I have 2 1/2" but it's the stock configuation with 1 cat.
I want long tubes and stainless mandrel bent dual exhaust too. But that's illegal here. I just don't want to keep 2 exhaust systems and change them everytime I need a smog. There is too much BS in Cali.and it's getting worse.
Last edited by Kool88vette; 04-12-2008 at 10:51 AM.
04-19-2008, 12:27 AM
#45
Intermediate
Member Since: Apr 2008
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