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Old Nov 22, 2011 | 10:26 PM
  #751  
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From: Fayetteville, AR
Originally Posted by Krisko
That's because 4 door family cars aren't suppose to be that loud.

I was seriously looking into that pipe, did you get it new or used?
I got it new from ETS. Getting it replaced next week with a recirculated one. The bracket that holds the dump to the downpipe is broken and michael is just going to do a trade with it. I wonder how loud she will be after I get a recirculated one.

My suggestion... Dont even bother with it.

Originally Posted by Kracka
Dumps are retarded; I don't care if it's a street or track car.
They are only awesome for 2 months lol.
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Old Nov 23, 2011 | 06:01 AM
  #752  
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From: Prosper, TX
Originally Posted by T6
They are only awesome for 2 months lol.
Two weeks for me, that's how long it took before I regretted it
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Old Nov 23, 2011 | 08:06 AM
  #753  
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Originally Posted by chkmgnt59
how does that make sense? boost control on an ewg turbo is cleaner if theres no resistance off the wg. Recirculating causes resistance, which destroys control over the boost

it was a joke. the more boost you run, the less that goes through the wastegate. run a lot of boost (like far more then any of us would ever want) and nothing will be going through the wastegate


on a side note, for SCCA the dumps are definately to loud.
and for HHR i was told to drive part throttle with my car because the dump was to loud. ultimately, a dump isn't at all necessary for road race/autocross. the last 5whp you might gain by having a dump isn't necessary. typically we run conservative tunes anyway. my race car made 580whp@ 28psi with a recirculated EWG. it wasn't even close to maxed out and it was already way to fast. joshs drag car can use the last 5whp (maybe more in his case now) from the dump though as hes shooting for mid/low 9's in drag now.
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Old Nov 23, 2011 | 08:37 AM
  #754  
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From: DFW
Well make it clear when you're joking ;-)

I don't care about scca, so I'm not worried about being legal w/ them.

I didn't know harris hill had noise restrictions, I thought only ECR really enforced them? In any case, I'll live with it.
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Old Nov 23, 2011 | 09:10 AM
  #755  
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From: The Colony, TX
Just put a tiny little muffler on it. Problem solved.
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Old Nov 23, 2011 | 09:36 AM
  #756  
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From: DFW
sad, I've actually seen those
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Old Nov 23, 2011 | 09:37 AM
  #757  
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From: Arlington, TX
^Hehehe. I love to take a dump. Oh thats not what this is about?
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Old Nov 23, 2011 | 09:53 AM
  #758  
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From: Prosper, TX
It is now.
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Old Nov 23, 2011 | 10:13 AM
  #759  
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From: DFW
Thai food + passing of 12 hours.

Think about it
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Old Nov 23, 2011 | 10:23 AM
  #760  
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From: Autocrossing Somewhere
Originally Posted by chkmgnt59
Thai food + passing of 12 hours.

Think about it
It will keep you regular if you eat it on a regular basis!

Haha, the fix for that is to eat Thai food everyday. I strongly believe my only Hispanic trait is being able to eat hot food. I hope I never start getting heartburn as I get older though, I eat chili's on everything. My wife cooks the best Thai food known to mankind, it pays having a wife that can not only cook but has a bachelors in food science (food research and development).
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Old Nov 23, 2011 | 10:26 AM
  #761  
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From: Autocrossing Somewhere
Originally Posted by KevinD
on a side note, for SCCA the dumps are definately to loud.
They have been enforcing a 100db limit at some of our events, seeing some of the guys making homemade devices to route the sound away from the sound level meter is quite hilarious. My car with a test-pipe, down pipe, and catback only comes in at ~86db, so yeah, I bet the dump would blow past that for sure!
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Old Nov 23, 2011 | 10:35 AM
  #762  
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From: DFW
well decibels isn't a linear scale, the difference from 86 to 100 is massive. 3db is ~ double the noise. but itll probably be close
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Old Nov 23, 2011 | 11:09 AM
  #763  
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From: Autocrossing Somewhere
Originally Posted by chkmgnt59
well decibels isn't a linear scale, the difference from 86 to 100 is massive. 3db is ~ double the noise. but itll probably be close
Your thinking power not perceived volume level. Double the sound pressure is a SPL of +6 dB, 10 dB = twice the perceived volume or twice as loud.

Last edited by SiliconTek; Nov 23, 2011 at 11:11 AM.
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Old Nov 23, 2011 | 11:27 AM
  #764  
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From: DFW
Oops I'm stuck in speaker mode lol. Thats why I should drink my coffee.

You are correct :-)
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Old Nov 23, 2011 | 11:59 AM
  #765  
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From: Autocrossing Somewhere
Originally Posted by chkmgnt59
Oops I'm stuck in speaker mode lol. Thats why I should drink my coffee.

You are correct :-)
No worries, I used to think the same thing. I was in radio communications and high-end audio out of college and you switch from power to spl and back. It gets ridiculous!
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