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Dump Exhaust

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Old 10-23-2008, 03:27 PM
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Originally Posted by SoFloTC
if i get tuned with my ptuning exhaust and then decide to take it off and run open downpipe.. how bad will it throw the tune off? and how much tq u think i would lose
i doubt you'll lose any. having an open exhaust will do nothing but help performance. i don't know where scionlife got this idea that having back pressure after the turbo is beneficial in any way.

however. if you are gonna run an open dp. i would get it tuned the way you will be driving it.
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Old 10-23-2008, 03:38 PM
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well i had the ptuning on and one day i just wanted to see what open dp would be like and i loved it lol. nothing like being loud and obnoxious with the sound of a spooling turbo.. especially when u let off the gas and it slowly stops spooling.. some random guy was like "what is that a dump truck" haha i started laughing so hard.
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Old 10-23-2008, 04:31 PM
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i drove with open dp for a few months. cops never seemed to care
car was much faster
the way it sounded didnt matter to me
function over form
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Old 10-23-2008, 04:39 PM
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yeah we installed a dezod kit here and the dp was hitting the trans and we couldnt get the s pipe on.. so when we did the test runs we did it with straight dp and it was hella loud!!! everyone in the neighborhood could hear it! the spool sounded so sick though!!! in hawaii you will get pulled over fast..
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Old 10-23-2008, 04:42 PM
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Originally Posted by brett561tc
Originally Posted by Crayola_G
open downpipe ftw.

its like a guilty pleasure but its unrealistic, driving by cops would be more nerveracking than it already is.
i've been driving with no exhaust for almost 2 years and have never been stopped because of it.
lucky, i drove round open dp for a few weeks didnt get stopped but back in the n/a days w/ the exhaust i had i would get pulled over, i thought it was weird being in miami and all. so i just cut the tints have a rather quiet no cat exhaust on my turbo now and i love it...+ the open dump is awsome i love the unexpecting driver who just so happens to have his window down ahead of me lol dump then bov in their faces ....the ultimate satisfaction
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Old 10-23-2008, 04:53 PM
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Originally Posted by java09
yeah we installed a dezod kit here and the dp was hitting the trans and we couldnt get the s pipe on.. so when we did the test runs we did it with straight dp and it was hella loud!!! everyone in the neighborhood could hear it! the spool sounded so sick though!!! in hawaii you will get pulled over fast..

yea man thats whats best about the open dp is that crazy turbo whistle.
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Old 10-23-2008, 10:23 PM
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^^ yeppppp gotta love it
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Old 10-23-2008, 11:17 PM
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Originally Posted by CarbonXe
Chris, any before/after with the dumptube? Preferably external sound clips.
no sorry i dont, i dont really have anyway to strap a cam to my hood besides duct tape

ps ive been meaning to talk to ya, pm me
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Old 10-23-2008, 11:18 PM
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Originally Posted by Crayola_G
Originally Posted by java09
yeah we installed a dezod kit here and the dp was hitting the trans and we couldnt get the s pipe on.. so when we did the test runs we did it with straight dp and it was hella loud!!! everyone in the neighborhood could hear it! the spool sounded so sick though!!! in hawaii you will get pulled over fast..

yea man thats whats best about the open dp is that crazy turbo whistle.
x238541265
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Old 10-30-2008, 09:16 PM
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You can run a dump exhaust by just running the down pipe and thats it ?
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Old 10-30-2008, 09:40 PM
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Originally Posted by ValenciaS
You can run a dump exhaust by just running the down pipe and thats it ?

pretty much unless you wana spend the extra money on a straight pipe, but its a waste...just make sure ur DP is not like pointing at ur oil pan ,
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Old 10-30-2008, 09:46 PM
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Originally Posted by crush02342002
Originally Posted by CarbonXe
Chris, any before/after with the dumptube? Preferably external sound clips.
no sorry i dont, i dont really have anyway to strap a cam to my hood besides duct tape

ps ive been meaning to talk to ya, pm me
Since I won't get your tube til after the turbo goes on, I'll take before and after shots with the camera mounted in the front of the car, for maximum spoolage.
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Old 10-30-2008, 10:01 PM
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Originally Posted by Crayola_G
Originally Posted by ValenciaS
You can run a dump exhaust by just running the down pipe and thats it ?

pretty much unless you wana spend the extra money on a straight pipe, but its a waste...just make sure ur DP is not like pointing at ur oil pan ,
LOL yeah that wouldnt be a good combination haaha
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Old 10-31-2008, 12:05 AM
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Originally Posted by CarbonXe
Originally Posted by crush02342002
Originally Posted by CarbonXe
Chris, any before/after with the dumptube? Preferably external sound clips.
no sorry i dont, i dont really have anyway to strap a cam to my hood besides duct tape

ps ive been meaning to talk to ya, pm me
Since I won't get your tube til after the turbo goes on, I'll take before and after shots with the camera mounted in the front of the car, for maximum spoolage.
cool
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Old 10-31-2008, 01:50 AM
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Originally Posted by crush02342002
Originally Posted by CarbonXe
Originally Posted by crush02342002
Originally Posted by CarbonXe
Chris, any before/after with the dumptube? Preferably external sound clips.
no sorry i dont, i dont really have anyway to strap a cam to my hood besides duct tape

ps ive been meaning to talk to ya, pm me
Since I won't get your tube til after the turbo goes on, I'll take before and after shots with the camera mounted in the front of the car, for maximum spoolage.
cool
sweet
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Old 10-31-2008, 10:31 PM
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Hey what do you guys think of running a electric cutout , bolted right to the downpipehttp://www.xcceleration.com/images/X...utout/dmh1.jpg
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Old 10-31-2008, 10:40 PM
  #37  
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yup that good to have, silent when you need too.. badass when you race..
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Old 11-01-2008, 01:25 AM
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hey ace had another question on that electric cutout , when its closed where does all the pressure go to ?
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Old 11-01-2008, 01:16 PM
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it goes to you regular pipe towards the back of the car, when it opens, its gonna bypass your exhaust directly to atmosphere like running a very short exhaust and reduce back pressure..
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Old 05-10-2009, 10:33 PM
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I took my exhaust off and left it at the s-pipe(sounds sick). I know there is a 02 sensor on the spipe. I want to run the car from the downpipe. Where would i put the 02 sensor from the spipe at ?
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