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Downpipe Question?

  #1  
Old 02-23-2008, 04:42 PM
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Join Date: Oct 2007
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Posts: 95
Default Downpipe Question?

I am about a week away from getting the downpipe for my car. I want to know about how much hp would it give me? Also will it mess my car up because then I don't want it. I already have the basic mods: exhaust, u-bend delete, resonator delete, and hi flow cat. So I'm already straight with that. I'm also gonna get a k&n CAI and those will be enough mods for me. Also the 180* thermostat. I really would like to know before I buy it. And last about how much did it cost to install and did u see a major up increase.
 
  #2  
Old 02-23-2008, 05:36 PM
Join Date: Aug 2006
Posts: 1,147
Default RE: Downpipe Question?

What size down pipe are you going with 2.5" or 3". Most people that have a NA 3800 go with the 2.5" for backpresure because the 3" is to big for the NA 3800. Also if you already have the high flow cat and u-bend delete you probably wont be able to have any seat of the pants difference but i would think that there would be a 3 HP gain going from the stock one to 2.5".

the down pipe should not mess up your car any and if it would do anything at all it would trip the rear o2 sensor. in witch case you could just get the o2 emulator from zzp or somewhere else. but most likely if you didn't get any codes with the high flow cat and u-bend then you should be fine.

I just installed mine myself so i dont know how much it would cost.
 
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