Notices
Drivetrain Gearbox, Diffs & Driveshafts etc

What new Downpipe can I have fitted this weekend on an STI7 someone must know

Thread Tools
 
Search this Thread
 
Old 26 November 2002, 10:00 PM
  #1  
mccltd
Scooby Regular
Thread Starter
 
mccltd's Avatar
 
Join Date: Sep 2000
Posts: 645
Likes: 0
Received 0 Likes on 0 Posts
Post

I am after having a new Downpipe and maybe up pipe fitted to My STI7.
But impatient as I am I would lke it done this weekend.
Can any one recomend the pipes and somewhere that can do it????


Dave.
Old 26 November 2002, 10:58 PM
  #2  
sammyh
Scooby Regular
Support Scoobynet!
Support Scoobynet!
iTrader: (1)
 
sammyh's Avatar
 
Join Date: Feb 2000
Location: Death Star
Posts: 21,835
Likes: 0
Received 0 Likes on 0 Posts
Post

I can get
this
to you by the weekend



[Edited by sammyh - 11/26/2002 10:58:35 PM]
Old 27 November 2002, 12:03 AM
  #3  
hades
Scooby Regular
 
hades's Avatar
 
Join Date: Jun 2002
Location: From Kent to Gloucestershire to Berkshire
Posts: 2,905
Likes: 0
Received 0 Likes on 0 Posts
Post

The milltek is highly thought of for the STi7s, for what it's worth, although you might get some boost spiking without modifying your restrictor with that system. I do seem to remember reading about bigger boost spikes with a new up-pipe, and the STi7 doesn't have a cat in the standard up-pipe so the gains would be smaller than on the WRX. Having said that, I have a scoobysport up-pipe on my WRX and completely happy with it

I take it you don't fancy doing the work yourself? Did my downpipe and full exhaust fine with me and brother on ramps in an evening, although the up-pipe is a lot more involved to do.
Old 27 November 2002, 08:48 AM
  #4  
Dave T-S
Scooby Regular
 
Dave T-S's Avatar
 
Join Date: Aug 2000
Location: Newmarket Suffolk
Posts: 8,897
Likes: 0
Received 4 Likes on 1 Post
Exclamation

See here re boost spikes
Old 27 November 2002, 09:32 PM
  #5  
ids
Scooby Regular
 
ids's Avatar
 
Join Date: May 1999
Posts: 424
Likes: 0
Received 0 Likes on 0 Posts
Post

As I had my STi 7 after all these Boost Spike threads can anyone explain what was causing them...

I take it it was because mainly of decatted downpipes....

I ask (worryingly) as last week I had fitted a PPP tailbox and mid-section only.... The car sounds much better, picks up better and definalty goes better.

Do I have anything to worry about. ???

Ids
Old 27 November 2002, 10:26 PM
  #6  
Deep Singh
Scooby Regular
 
Deep Singh's Avatar
 
Join Date: Jan 2001
Posts: 5,582
Likes: 0
Received 0 Likes on 0 Posts
Post

Invest in a boost gauge mate.
Old 28 November 2002, 08:52 AM
  #7  
Dave T-S
Scooby Regular
 
Dave T-S's Avatar
 
Join Date: Aug 2000
Location: Newmarket Suffolk
Posts: 8,897
Likes: 0
Received 4 Likes on 1 Post
Exclamation

Kev
Mine (or, more accurately, Carolyn's) was the first UK car I believe to show boost spikes after a decat - it was decatted the day it was registered on 01 March.

I've played all the combinations - replacement up pipe, plus full decat from turbo back will give 1.7 bar spikes without other means of control (restrictor changes etc). OEM up pipe plus decat from turbo back will give 1.5 bar spikes. OEM up and down pipes, but both centre sections and backbox replaced is absolutely fine - I ran mine like that for six months until the PPP was fitted and it was showing max boost 1.35 to 1.4 bar at the gauge which is pretty much per a standard car.

You should have nothing to worry about with your present combo

Trending Topics

Old 28 November 2002, 10:33 AM
  #8  
Pete Croney
Scooby Regular
 
Pete Croney's Avatar
 
Join Date: Oct 1998
Location: Scoobysport, Basildon, UK
Posts: 4,300
Likes: 0
Received 0 Likes on 0 Posts
Post

Hi Kev

You will not see any spikes above standard if you use the replacement restrictor that comes with well developed STi7 downpipes.
Old 28 November 2002, 11:16 AM
  #9  
mccltd
Scooby Regular
Thread Starter
 
mccltd's Avatar
 
Join Date: Sep 2000
Posts: 645
Likes: 0
Received 0 Likes on 0 Posts
Post

Peter,
Will your downpipe cause me any problems on my STI7, if not is it something that can be bought and fitted by anyone of do you have a timeslot this Saturday.
Old 28 November 2002, 12:40 PM
  #10  
Pete Croney
Scooby Regular
 
Pete Croney's Avatar
 
Join Date: Oct 1998
Location: Scoobysport, Basildon, UK
Posts: 4,300
Likes: 0
Received 0 Likes on 0 Posts
Post

David I would love to help but we are fully booked this weekend. It can be fitted by anyone who is happy under the bonnet and would take approx 2-3 hours without a vehicle lift.

It was us that developed the restrictor fix for the 7, despite others saying it couldn't be done. There are hundreds of cars using this with our downpipes now, all running perfectly.
Old 28 November 2002, 01:00 PM
  #11  
mccltd
Scooby Regular
Thread Starter
 
mccltd's Avatar
 
Join Date: Sep 2000
Posts: 645
Likes: 0
Received 0 Likes on 0 Posts
Post

Peter,
Thanks for the reply.
Is the restrictor easy to fit aswell?
Another idea, do you get fully booked during the week?

Dave.
Old 28 November 2002, 02:29 PM
  #12  
Pete Croney
Scooby Regular
 
Pete Croney's Avatar
 
Join Date: Oct 1998
Location: Scoobysport, Basildon, UK
Posts: 4,300
Likes: 0
Received 0 Likes on 0 Posts
Post

Could do it for you towards the end on next week. The restrictor is easy to swap over.
Old 28 November 2002, 05:04 PM
  #13  
ids
Scooby Regular
 
ids's Avatar
 
Join Date: May 1999
Posts: 424
Likes: 0
Received 0 Likes on 0 Posts
Post

pete/dave

as ever..... you guys are the men.

sorry for hijacking the thread.....

kev
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Belly07
Subaru
2
12 November 2015 03:46 PM
Reshard1977
Subaru Parts
5
28 September 2015 02:22 PM
ben.harris
General Technical
7
23 September 2015 03:55 PM
Reshard1977
Subaru Parts
8
14 September 2015 08:27 AM
Decayes
ScoobyNet General
5
11 September 2015 07:47 PM



Quick Reply: What new Downpipe can I have fitted this weekend on an STI7 someone must know



All times are GMT +1. The time now is 03:40 PM.