Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

Whats Better? (2.5" or 3" downpipe and exhaust)

Thread Tools
 
Search this Thread
 
Old Oct 4, 2006 | 04:48 PM
  #1  
sleeper05's Avatar
Thread Starter
Registered User
 
Joined: Jul 2005
Posts: 28
Cool Whats Better?

Whats Better To Go With A 3 Inch Downpipe And Exhaust Or 2.5 ?
Old Oct 4, 2006 | 07:13 PM
  #2  
sigma pi's Avatar
9 to 5 mod
iTrader: (6)
 
Joined: Jan 2003
Posts: 57,389
From: Chavez Ravine
Car Info: 03 Impreza WRX
what other mods

which car?

how much HP do you want

if your on the stock turbo a bov and an intake i would go 2.5

Last edited by sigma pi; Oct 4, 2006 at 07:25 PM.
Old Oct 4, 2006 | 09:03 PM
  #3  
sleeper05's Avatar
Thread Starter
Registered User
 
Joined: Jul 2005
Posts: 28
2006 wrx
Old Oct 4, 2006 | 11:25 PM
  #4  
RMD484's Avatar
Registered User
iTrader: (3)
 
Joined: Oct 2005
Posts: 109
From: San Jose, CA
Car Info: 2006 WRX Wagon
Go with a full 3" even if you're still stock...that way when you go with some sort of EM, you won't have to get another exhaust system.

Correct me if I'm wrong, but isn't stock already 2.5"?
Old Oct 5, 2006 | 08:12 AM
  #5  
sigma pi's Avatar
9 to 5 mod
iTrader: (6)
 
Joined: Jan 2003
Posts: 57,389
From: Chavez Ravine
Car Info: 03 Impreza WRX
meh one of the three questions i asked was awnsered

i give up
Old Oct 5, 2006 | 09:37 AM
  #6  
sleeper05's Avatar
Thread Starter
Registered User
 
Joined: Jul 2005
Posts: 28
My Have A Stock Everything And I Plan On Putting Down Like 200whp
Old Oct 5, 2006 | 11:28 AM
  #7  
lburrrna's Avatar
Registered User
 
Joined: Apr 2006
Posts: 202
From: CA
Car Info: 06' Subaru IMPREZA WRX FP18g
Smile

Originally Posted by RMD484
Go with a full 3" even if you're still stock...that way when you go with some sort of EM, you won't have to get another exhaust system.

Correct me if I'm wrong, but isn't stock already 2.5"?

thats correct! stock is 2.5
Old Oct 5, 2006 | 03:15 PM
  #8  
sigma pi's Avatar
9 to 5 mod
iTrader: (6)
 
Joined: Jan 2003
Posts: 57,389
From: Chavez Ravine
Car Info: 03 Impreza WRX
Originally Posted by sleeper05
My Have A Stock Everything And I Plan On Putting Down Like 200whp
in the end? or after this mod

like when you are all done modding what number do you want?
Old Oct 7, 2006 | 02:41 PM
  #9  
RMD484's Avatar
Registered User
iTrader: (3)
 
Joined: Oct 2005
Posts: 109
From: San Jose, CA
Car Info: 2006 WRX Wagon
Originally Posted by sleeper05
My Have A Stock Everything And I Plan On Putting Down Like 200whp
If you plan on having 200whp, then just go with a Cobb AP stage 1. That should get you close or around 200whp, and you won't have to get a TBE.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
blackbullet03
Engine/Power - EJ20T (pre-2006 WRX and JDM)
32
Dec 16, 2008 08:32 PM
silver03wrx
SoCal
33
Jul 9, 2004 08:31 PM
tarak
Engine/Power - EJ20T (pre-2006 WRX and JDM)
5
Apr 23, 2004 09:02 PM
anthonymx
Engine Management
0
Apr 17, 2004 01:45 PM
rich hill
Rocky Mountains
6
Jun 9, 2003 03:11 PM




All times are GMT -7. The time now is 12:40 PM.