Notices
ScoobyNet General General Subaru Discussion
Sponsored by:
Sponsored by:

Hatchback STi exhaust options/opinions

Thread Tools
 
Search this Thread
 
Old 28 August 2015, 10:20 PM
  #1  
fatboy_coach
Scooby Regular
Thread Starter
iTrader: (1)
 
fatboy_coach's Avatar
 
Join Date: Jul 2006
Posts: 230
Likes: 0
Received 0 Likes on 0 Posts
Question Hatchback STi exhaust options/opinions

OK, so I've had an H&S full decat (2.5") fitted for a few weeks and TBH I'm finding it a bit loud (it's quite boomy inside the cabin), so I'd like some options and opinions of what else there is! I'm planning on keeping the decat downpipe, so it'll be cat-back that I'm looking at.

I have a Remus backbox, which was my original plan along with the centre pipe to match. Are these much louder than standard?

Cobra/Scorpion what are they like?

Or do I just dynamat the boot and be done with it
Old 29 August 2015, 06:58 AM
  #2  
8ulldog
Scooby Regular
iTrader: (4)
 
8ulldog's Avatar
 
Join Date: Mar 2014
Location: Eastington
Posts: 553
Likes: 0
Received 0 Likes on 0 Posts
Default

The Remus backbox is about the same volume as standard (Hardly noticeable and then perks up a little when the foot goes down), they also sit quite far back as standard and are not to my taste so I could not wait to get rid of it.

I have the ProDrive backbox now which has a nice burble and looks great, though I'm going custom again in a weeks time as that is the only way I can get the look and sound I'm after.
Old 29 August 2015, 10:45 AM
  #3  
Benji554
Scooby Regular
iTrader: (18)
 
Benji554's Avatar
 
Join Date: Mar 2008
Posts: 999
Likes: 0
Received 0 Likes on 0 Posts
Default

Might be worth a look at miltek. They are apparently a bit quieter than the H&S. I've got a full decatted prodrive system (330S) at the moment and it's too quiet for me (plus a pain at MOT time). It's taken some time but I have managed to get hold of a second hand full turbo back miltek with sport cat for a bargain price. I'm currently polishing it up ready for fitting.
Old 29 August 2015, 01:27 PM
  #4  
fatboy_coach
Scooby Regular
Thread Starter
iTrader: (1)
 
fatboy_coach's Avatar
 
Join Date: Jul 2006
Posts: 230
Likes: 0
Received 0 Likes on 0 Posts
Default

Cheers guys, might fit the Remus for now and look at other options to see if I can land a bargain! Looks are less important to me than the volume.

How much louder than standard is the Prodrive box? Does it just improve the rumble?
Old 29 August 2015, 08:45 PM
  #5  
8ulldog
Scooby Regular
iTrader: (4)
 
8ulldog's Avatar
 
Join Date: Mar 2014
Location: Eastington
Posts: 553
Likes: 0
Received 0 Likes on 0 Posts
Default

A little, though only when putting your foot down.
Old 29 August 2015, 09:42 PM
  #6  
Gambit
Scooby Regular
iTrader: (6)
 
Gambit's Avatar
 
Join Date: May 2003
Location: Belfast
Posts: 3,285
Received 231 Likes on 172 Posts
Default

Yeah you only really hear when up the revs tho i suspect if you get rid of the centre section silencer itll open up the noise a bit better. Apparently tho they does sound well outside the car

I actually love the style of the remus ovals though they wont look right if you have the exhaust trims on the rear diffuser
Old 30 August 2015, 09:25 AM
  #7  
domino46
Scooby Regular
 
domino46's Avatar
 
Join Date: May 2011
Location: www.bbscoobys.com
Posts: 3,179
Received 264 Likes on 172 Posts
Default

My hatch came with a 3" japseed one ,, sounded nice till I went over 400bhp a blew all the baffles out lol so now I'm looking for a new backbox aswell
Old 30 August 2015, 10:50 PM
  #8  
salsa-king
Scooby Senior
 
salsa-king's Avatar
 
Join Date: Feb 2000
Location: Nottm
Posts: 15,067
Received 42 Likes on 26 Posts
Default

get one of these...

http://www.arkperformance.com/ARK-GR...1301-0210g.htm
Old 31 August 2015, 12:05 AM
  #9  
rob84
Scooby Regular
iTrader: (5)
 
rob84's Avatar
 
Join Date: Jun 2006
Location: somewhere out there
Posts: 5,287
Received 12 Likes on 10 Posts
Default

Just dynamat the boot and save a fortune haha. I loved the noise of my Hayward & scott on my old hatch
Old 31 August 2015, 09:37 AM
  #10  
fatboy_coach
Scooby Regular
Thread Starter
iTrader: (1)
 
fatboy_coach's Avatar
 
Join Date: Jul 2006
Posts: 230
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by rob84
Just dynamat the boot and save a fortune haha. I loved the noise of my Hayward & scott on my old hatch
TBF Rob, that's what the wife says. She reckons it's louder inside than out, which is my issue as it's my daily driver.
Old 08 September 2015, 12:58 PM
  #11  
fatboy_coach
Scooby Regular
Thread Starter
iTrader: (1)
 
fatboy_coach's Avatar
 
Join Date: Jul 2006
Posts: 230
Likes: 0
Received 0 Likes on 0 Posts
Default

So I've checked with Revolution and they've confirmed that the REmus centre exhaust is slip joints not flanges, which is mad as that wouldn't mate to their own back box?!?!

Anyway, if I was to go with the standard centre pipe is the resonator restrictive? There are some on eBay http://www.ebay.co.uk/itm/Subaru-Imp...item28055a696a and so I'm thinking the quick and dirty solution is to fit that with the Remus back box (and I guess book it in for a map check)
Old 08 September 2015, 04:05 PM
  #12  
Gambit
Scooby Regular
iTrader: (6)
 
Gambit's Avatar
 
Join Date: May 2003
Location: Belfast
Posts: 3,285
Received 231 Likes on 172 Posts
Default

or.....

the scorpion section is flanged, and slip jointed the centre section comes in 2 pieces as seen here:-

http://www.scorpion-exhausts.com/pro...tml?autoid=356

i emailed them about it a few weeks back, and you can buy the centre section & link pipe for £200+vat

its resonated though so might just be the same as a standard centre section

Last edited by Gambit; 08 September 2015 at 04:06 PM.
Old 08 September 2015, 08:17 PM
  #13  
fatboy_coach
Scooby Regular
Thread Starter
iTrader: (1)
 
fatboy_coach's Avatar
 
Join Date: Jul 2006
Posts: 230
Likes: 0
Received 0 Likes on 0 Posts
Default

Thanks for that Gambit

H&S have offered a resonated centre pipe as an option so I think I'll go with that, hopefully it'l take the edge off the sound.
Old 14 January 2016, 09:01 PM
  #14  
Mike55
Scooby Newbie
 
Mike55's Avatar
 
Join Date: Mar 2015
Location: uk
Posts: 23
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by domino46
My hatch came with a 3" japseed one ,, sounded nice till I went over 400bhp a blew all the baffles out lol so now I'm looking for a new backbox aswell
Old post but hav u got pics with this on ur car thinkin about buyin one. How did it look and sound its b a decat japspeed. Thanks mike
Old 15 January 2016, 04:58 AM
  #15  
domino46
Scooby Regular
 
domino46's Avatar
 
Join Date: May 2011
Location: www.bbscoobys.com
Posts: 3,179
Received 264 Likes on 172 Posts
Default

Originally Posted by Mike55
Old post but hav u got pics with this on ur car thinkin about buyin one. How did it look and sound its b a decat japspeed. Thanks mike
Yeah mines full decat aswell ,, very quite if I'm honest and now I removed the resonator from the Center section it sounds very tinny when on boost , if I'm completely honest I'm not happy with it and will be replacing it as soon as I can afford to but not sure with what yet


Old 15 January 2016, 05:45 PM
  #16  
Subiehatch
Scooby Regular
 
Subiehatch's Avatar
 
Join Date: Jan 2016
Location: Surrey
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default

What do you guys think of the BLITZ NUr Spec ?

I just bought a hatch STi and looking for a 3 inch system and loud.

Any options out there ?

Thanks in advance
Old 16 January 2016, 07:40 AM
  #17  
salsa-king
Scooby Senior
 
salsa-king's Avatar
 
Join Date: Feb 2000
Location: Nottm
Posts: 15,067
Received 42 Likes on 26 Posts
Default

do they do one for the hatch?
Old 16 January 2016, 10:17 AM
  #18  
Subiehatch
Scooby Regular
 
Subiehatch's Avatar
 
Join Date: Jan 2016
Location: Surrey
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default

Yes they do indeed.

http://www.blitz-uk.co.uk/ProductItem-2628.aspx
Old 16 January 2016, 10:20 AM
  #19  
domino46
Scooby Regular
 
domino46's Avatar
 
Join Date: May 2011
Location: www.bbscoobys.com
Posts: 3,179
Received 264 Likes on 172 Posts
Default

Originally Posted by Subiehatch
For that sort of money I'd personally go for a Perrin exhaust but that's due to all the other Perrin stuff I have on the car lol ,, 92db isn't very loud either really , I would of thought the blitz would of been louder
Old 16 January 2016, 10:36 AM
  #20  
Subiehatch
Scooby Regular
 
Subiehatch's Avatar
 
Join Date: Jan 2016
Location: Surrey
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by domino46
For that sort of money I'd personally go for a Perrin exhaust but that's due to all the other Perrin stuff I have on the car lol ,, 92db isn't very loud either really , I would of thought the blitz would of been louder
It is very pricey,fair play mate perrin is good,how does the exhaust sound on the perrin ? i was thinking of getting the blitz exhaust,but if its not loud i wont spend that sort of money.
What would be loud then 100db ?
Old 16 January 2016, 10:44 AM
  #21  
domino46
Scooby Regular
 
domino46's Avatar
 
Join Date: May 2011
Location: www.bbscoobys.com
Posts: 3,179
Received 264 Likes on 172 Posts
Default

Originally Posted by Subiehatch
It is very pricey,fair play mate perrin is good,how does the exhaust sound on the perrin ? i was thinking of getting the blitz exhaust,but if its not loud i wont spend that sort of money.
What would be loud then 100db ?
I haven't herd the Perrin yet myself but can't be any worse sounding than the current one lol
Old 16 January 2016, 01:04 PM
  #22  
Subiehatch
Scooby Regular
 
Subiehatch's Avatar
 
Join Date: Jan 2016
Location: Surrey
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default

You got standard one ?
Old 16 January 2016, 03:57 PM
  #23  
domino46
Scooby Regular
 
domino46's Avatar
 
Join Date: May 2011
Location: www.bbscoobys.com
Posts: 3,179
Received 264 Likes on 172 Posts
Default

Originally Posted by Subiehatch
You got standard one ?
3" full decat japspeed , but iv replaced it once and it still sounds naff
Old 16 January 2016, 04:47 PM
  #24  
RAGGY DOO
Scooby Regular
iTrader: (1)
 
RAGGY DOO's Avatar
 
Join Date: Sep 2015
Location: the rebel county
Posts: 3,000
Received 108 Likes on 72 Posts
Default




invidia n1 marrying it up to miltek decat and link pipe jdm hatch
Old 16 January 2016, 06:09 PM
  #25  
Subiehatch
Scooby Regular
 
Subiehatch's Avatar
 
Join Date: Jan 2016
Location: Surrey
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by RAGGY DOO



invidia n1 marrying it up to miltek decat and link pipe jdm hatch
Nice hatch mate.

I have to say Invidia 300 they sound amazing.

Im going to go for either Invidia 300 or the Cobra its the only 2 that sound nice for the hatch.

Everything else is rubbish.

I have been doing a lot of research and videos.
The BLITZ NUR Spec is the one i wanted but its too quiet.

They have gone down from 96db to 92db thats very quiet.
Old 16 January 2016, 06:23 PM
  #26  
RAGGY DOO
Scooby Regular
iTrader: (1)
 
RAGGY DOO's Avatar
 
Join Date: Sep 2015
Location: the rebel county
Posts: 3,000
Received 108 Likes on 72 Posts
Default

this isnt on yet the miltek link pipe lamda hole in completly wrong place two foot out have blank and drill and tap for rear lambda hope have it running monday ir tuesday also hope it sounds nice i yhink it looks well love the hatches good luck with whatever you guys choose
Old 16 January 2016, 07:11 PM
  #27  
Subiehatch
Scooby Regular
 
Subiehatch's Avatar
 
Join Date: Jan 2016
Location: Surrey
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default

Send me a video of when you have done it.
Old 16 January 2016, 07:43 PM
  #28  
fatboy_coach
Scooby Regular
Thread Starter
iTrader: (1)
 
fatboy_coach's Avatar
 
Join Date: Jul 2006
Posts: 230
Likes: 0
Received 0 Likes on 0 Posts
Default

Whereabouts in Surrey are you? I'm North Hants so you could always pop over and hear mine, it's half the volume with the resonator but still loud. It's a 2.5" though but given the volume of mine before the resonator I'd imagine a 3" would not be popular with my neighbours...
Old 16 January 2016, 07:58 PM
  #29  
RAGGY DOO
Scooby Regular
iTrader: (1)
 
RAGGY DOO's Avatar
 
Join Date: Sep 2015
Location: the rebel county
Posts: 3,000
Received 108 Likes on 72 Posts
Default

**** the neighbours tbh
pal mine said is that gonna be my morning alarm i said better get used to it he said nomore
Old 16 January 2016, 09:15 PM
  #30  
raly-pete
Scooby Regular
 
raly-pete's Avatar
 
Join Date: Jul 2015
Location: Aylesbury
Posts: 158
Likes: 0
Received 1 Like on 1 Post
Default

I have a prodrive backbox for sale if anyone is interested? 150 plus post,very good condition


Quick Reply: Hatchback STi exhaust options/opinions



All times are GMT +1. The time now is 07:01 PM.