The Prodrive Backbox
20 January 2001, 04:16 PM
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The Prodrive backbox - the oval one that does not come with the PPP. Anybody got any pictures?
Most of what has been said about bb's recently relates to the ss one. (Whey hey for the return of the search facility)However I have heard this is boomy at m'way speeds.
Anybody had experience of them both?
Anybody got anything good to say about the prodrive one?
Cheers
Martin
Most of what has been said about bb's recently relates to the ss one. (Whey hey for the return of the search facility)However I have heard this is boomy at m'way speeds.
Anybody had experience of them both?
Anybody got anything good to say about the prodrive one?
Cheers
Martin
22 January 2001, 11:14 AM
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Thanks Moss!
Yeh - I'm not sure about the oval bit. The ss box looks the biz and seems to get the nod from the boys (and girls).
Anybody got anything good to say about it?
Cheers
Martin
Yeh - I'm not sure about the oval bit. The ss box looks the biz and seems to get the nod from the boys (and girls).
Anybody got anything good to say about it?
Cheers
Martin
23 January 2001, 10:44 AM
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Obviously not!!!
Although there are plenty on cars, I think that very few will be on this bbs as Scoobysport products are fairly well known and therefore promoted and sold.
In my experience, the WRSport silencer will be quieter than the Scoobysport silencer but noise level is down to personal preference (or your partner's if she thinks it's too loud!!)
Performance gains will be very similar and before anyone chimes in with 'my car went better once I'd taken off the Prodrive silencer and fitted one from xxxxx', the WRSport silencer is different internally to the Prodrive silencer.
Mike
Although there are plenty on cars, I think that very few will be on this bbs as Scoobysport products are fairly well known and therefore promoted and sold.
In my experience, the WRSport silencer will be quieter than the Scoobysport silencer but noise level is down to personal preference (or your partner's if she thinks it's too loud!!)
Performance gains will be very similar and before anyone chimes in with 'my car went better once I'd taken off the Prodrive silencer and fitted one from xxxxx', the WRSport silencer is different internally to the Prodrive silencer.
Mike
23 January 2001, 01:20 PM
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Mike,
I drive a P1 with the Prodrive P1 box, I'm quite happy with it, although I will be fitting a Scoobysport Downpipe very shortly. The question is, what is the difference between the Prodrive rear box and Scoobysport's, HKS or any other manufacturers box, also your quote: "the WRSport silencer is different internally to the Prodrive silencer".... what is the difference in bhp or torque gains?
I'd appreciate your opinions.
Cheers,
Andrew.
I drive a P1 with the Prodrive P1 box, I'm quite happy with it, although I will be fitting a Scoobysport Downpipe very shortly. The question is, what is the difference between the Prodrive rear box and Scoobysport's, HKS or any other manufacturers box, also your quote: "the WRSport silencer is different internally to the Prodrive silencer".... what is the difference in bhp or torque gains?
I'd appreciate your opinions.
Cheers,
Andrew.
23 January 2001, 01:57 PM
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I went from a Prodrive (PPP not WRSport) backbox to a Scoobysport one. Performance difference was neglible, the only real difference was exhaust note 
which is a purely personal thing!
Therefore IMO If you are looking at buying a BB for the performance benefit, you will be disappointed, if its for the audible qualities, yes it is worth it, and will make you car feel faster, but it is so personal that you will need to hear the various options yourself to find a favourite - Cue Oulton Park this Saturday!!
which is a purely personal thing!Therefore IMO If you are looking at buying a BB for the performance benefit, you will be disappointed, if its for the audible qualities, yes it is worth it, and will make you car feel faster, but it is so personal that you will need to hear the various options yourself to find a favourite - Cue Oulton Park this Saturday!!
23 January 2001, 02:35 PM
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Does anyone know if the Prodrive backbox is available as a separate unit? or does it only come with the PPP.
If available on its own what is claimed for performance increase. I thought it only increased performance if used with the ECU upgrade?
If available on its own what is claimed for performance increase. I thought it only increased performance if used with the ECU upgrade?
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23 January 2001, 02:53 PM
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Hey guys
I have the new oval prodrive bb fitted....i dunno how much it costs coz i got it as part of a deal with the dealer (£300 comes to mind though)
Anyway the sound from it is very respectable not too boomy and yet not too quiet. Not too bad on motorways either, come to think of it i havent really noticed any intrusive noise coming into the cabin. Have been told that it sounds great driving through towns and stuff 
To sum it up the bb is very good quality and great sounding.
Hope this helps
Ian
I have the new oval prodrive bb fitted....i dunno how much it costs coz i got it as part of a deal with the dealer (£300 comes to mind though)
Anyway the sound from it is very respectable
not too boomy and yet not too quiet. Not too bad on motorways either, come to think of it i havent really noticed any intrusive noise coming into the cabin. Have been told that it sounds great driving through towns and stuff To sum it up the bb is very good quality and great sounding.
Hope this helps
Ian
23 January 2001, 03:51 PM
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Andrew
As the Prodrive silencer hasn't been tested separately by us on a 99/00MY I can't give an exact figure for the power increase. I can say that when we tested it on the engine dyno using a 96MY engine it gave an increase of 8-10bhp across the whole rev range.
The internal differencies are to suit the characteristics of the various engine specs and are generally changes in perf tube sizes.
The Prodrive silencer is available only as part of the PPP, however the WRSport silencer with an oval tailpipe which has been developed for the std car is available from your Subaru dealer.
Mike
[This message has been edited by MikeWood (edited 23 January 2001).]
As the Prodrive silencer hasn't been tested separately by us on a 99/00MY I can't give an exact figure for the power increase. I can say that when we tested it on the engine dyno using a 96MY engine it gave an increase of 8-10bhp across the whole rev range.
The internal differencies are to suit the characteristics of the various engine specs and are generally changes in perf tube sizes.
The Prodrive silencer is available only as part of the PPP, however the WRSport silencer with an oval tailpipe which has been developed for the std car is available from your Subaru dealer.
Mike
[This message has been edited by MikeWood (edited 23 January 2001).]
23 January 2001, 05:46 PM
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Ian
Thanks for the post. It seems on the BBS that the ss backbox is the only one. Glad to hear of some enthusiasm for the prodrive WR sport bb. I heard the ss backbox and it did seem a little loud but then that is the main point of changing the backbox I guess.
Got any pictures of your rear end Ian?
Mike
Thanks for the clarification.
Martin
Thanks for the post. It seems on the BBS that the ss backbox is the only one. Glad to hear of some enthusiasm for the prodrive WR sport bb. I heard the ss backbox and it did seem a little loud but then that is the main point of changing the backbox I guess.
Got any pictures of your rear end Ian?
Mike
Thanks for the clarification.
Martin
23 January 2001, 09:34 PM
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Hi Martin
I see that you are from Glasgow, are you going to the Perth meet this sunday? If you are then you will be able to see it then. I dont have any pictures of my rear end (ooer) at the moment but will get some scanned in if you arent coming.
Hopefully see you at Perth
Ian
I see that you are from Glasgow, are you going to the Perth meet this sunday? If you are then you will be able to see it then. I dont have any pictures of my rear end (ooer) at the moment but will get some scanned in if you arent coming.
Hopefully see you at Perth
Ian
24 January 2001, 07:17 AM
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I've had both the SS and PPP backboxes. I found the SS item too loud ....for my wife & neighbours (I live in Switzerland!). A great sound though.
The PPP item is much quieter off boost and very unintrusive. On boost it sounds like extreme violence....lurvly
On a standard car I noticed no performance difference fitting a different backbox. But I initially ran my PPP car with the standard backbox - fitting the PPP item did improve performance! Go figure.....
Regards
Richard
The PPP item is much quieter off boost and very unintrusive. On boost it sounds like extreme violence....lurvly
On a standard car I noticed no performance difference fitting a different backbox. But I initially ran my PPP car with the standard backbox - fitting the PPP item did improve performance! Go figure.....
Regards
Richard
24 January 2001, 05:49 PM
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thinking of changing my ppp backbox and looking at the scoobysport centre decat and rear or the magnex centre and rear...was wondering if anyone had any experience with either ?
steve
steve
24 January 2001, 06:40 PM
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<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:<HR>Originally posted by 22b:
<B>thinking of changing my ppp backbox and looking at the scoobysport centre decat and rear or the magnex centre and rear...was wondering if anyone had any experience with either ?
steve[/quote]
I went from PPP to PPP+downpipe to PPP+SS Backbox+downpipe.
<B>thinking of changing my ppp backbox and looking at the scoobysport centre decat and rear or the magnex centre and rear...was wondering if anyone had any experience with either ?
steve[/quote]
I went from PPP to PPP+downpipe to PPP+SS Backbox+downpipe.
25 January 2001, 10:50 PM
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Ian
Mike has sent me a picture of the box alone. Looks good. Getting it fitted next week so I will race you to posting a pic!
Anybody got a digital camera?
Martin
Mike has sent me a picture of the box alone. Looks good. Getting it fitted next week so I will race you to posting a pic!
Anybody got a digital camera?
Martin
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