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exhuast size question

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Old May 3, 2008 | 10:46 PM
  #11  
fred2ka4's Avatar
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Joined: Jan 2007
Posts: 520
From: New Mexico
Default RE: exhuast size question

A 2.5 would be perfect for the size turbo you are planning to run. IMO I would not go any bigger.
 
Old May 3, 2008 | 10:49 PM
  #12  
dr_zoidberg's Avatar
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Joined: Oct 2007
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From: Canada
Default RE: exhuast size question

robbing 5-10hp is not a big deal to me, but spooling quicker is a huge deal for me.

I guess I'll see if I can easily get 2.75 done at the shop, if not, I'll check pricing on 2.5 and 3
 
Old May 3, 2008 | 10:51 PM
  #13  
cincyTT's Avatar
I'm make believe
Joined: Dec 2006
Posts: 17,587
From: In my head
Default RE: exhuast size question

I great compromise would be getting a 3" cat section and downpipe and then either a 2.75 or 2.5" catback. This works much better than 2.5" turboback and still offers a quiter ride and better performance/spool up
 
Old May 4, 2008 | 01:33 AM
  #14  
dha514's Avatar
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Joined: Mar 2008
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Default RE: exhuast size question

ORIGINAL: dr_zoidberg

If 3" is easier and cheaper it sounds good to me. So long as I can find a classy muffler that is REALLY REALLY quiet but doesn't impact performance 2 much. (quietest not restrictive muffler???)

I heard borlas are pretty quiet.

dha514, I can't go catless, I'm limited here in Vancouver, B.C. for that. It's not as tough as Califonia, but we have emissions testing and can be pulled over for a loud exhuast, etc.

Haha... I live in Southern California. But I am still getting a 3" turboback exhaust.

 
Old May 4, 2008 | 01:18 PM
  #15  
chaos92287's Avatar
5th Gear
Joined: Aug 2006
Posts: 8,355
From: Orlando, FL
Default RE: exhuast size question

if you use both mufflers, borla is pretty quiet until you step on it. i like the way it sounds better with just 1 muffler tho, but dont get the borla system, its only 2.25. techtonics is 2.5 w/ borla mufflers, or you can custom make your own pipes and buy the mufflers from borla (what i would do)
 
Old May 4, 2008 | 05:29 PM
  #16  
dr_zoidberg's Avatar
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From: Canada
Default RE: exhuast size question

custom pipes is the plan, just waiting on a shop I like so I can actually get a quote first. I go in Sat morning.
 
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