EDIT: D'oh! Can a mod correct the title to "advice" please 
Hi All,
As some may know I randomly picked up an E34 535i Sport to tinker with, unfortunately it has an extremely loud after market exhaust fitted (I have no idea what it is but it sounds loud, like those old cherry bomb exhausts!).
It is also an after-market centre pipe (from the headers) all the way to the exhaust, and apparently it is a terrible fit (mechanic said) but I'm not sure if that is at the headers or the other end.
Originally it was a twin pipe from the headers to the cat then twin to the exhaust and twin out, this after-market is single all the way through (apart from where it joins the headers).
I was planning on changing it to an Eisenmann but I phoned them and they only provide the exhaust part, they did not do a centre pipe for the 535i. However, they said they could sell me a stainless steel supersprint centre which would need some welding and modding but could be fitted to the Eisenmann.
The thing is, that comes to nearly £1200 without the welding & fitting, and I only spent £1.5k on the car so reluctant to purchase those parts and having them ruined when welded/fitted (silly I know, but it's not really worth the money or hassle).
So, option 2 was to just get a complete supersprint (centre and exhaust) and just fit that, although that's around £900 (not done much looking around though).
But the pictures I have seen of the supersprint are single piper before the cat (like I currently have, although I assume the SS will fit perfectly) and I am unsure of whether I should go for something like that, or re-fit a stock centre pipe (which is twin from the headers all the way) and just get the Eisenmann exhaust (which hopefully will not require as much welding/fiddling to fit to the stock when compared with the SS centre pipe).
Another thing, which I'm not sure will be possible - the exhaust tail-pipe that is currently fit is a single elongated trapezoid which does look very nice and I was wondering if that could be kept but I replace the rest to get rid of that god awful noise and blowing?
So, what do people think? I'm new to this modifications game (as you can probably tell from my lingo) so forgive any rookie ideas I have mentioned.
I am also having trouble locating stock BMW parts as well as old after market parts and pretty much advice in general, so any places to look would also be appreciated.

Hi All,
As some may know I randomly picked up an E34 535i Sport to tinker with, unfortunately it has an extremely loud after market exhaust fitted (I have no idea what it is but it sounds loud, like those old cherry bomb exhausts!).
It is also an after-market centre pipe (from the headers) all the way to the exhaust, and apparently it is a terrible fit (mechanic said) but I'm not sure if that is at the headers or the other end.
Originally it was a twin pipe from the headers to the cat then twin to the exhaust and twin out, this after-market is single all the way through (apart from where it joins the headers).
I was planning on changing it to an Eisenmann but I phoned them and they only provide the exhaust part, they did not do a centre pipe for the 535i. However, they said they could sell me a stainless steel supersprint centre which would need some welding and modding but could be fitted to the Eisenmann.
The thing is, that comes to nearly £1200 without the welding & fitting, and I only spent £1.5k on the car so reluctant to purchase those parts and having them ruined when welded/fitted (silly I know, but it's not really worth the money or hassle).
So, option 2 was to just get a complete supersprint (centre and exhaust) and just fit that, although that's around £900 (not done much looking around though).
But the pictures I have seen of the supersprint are single piper before the cat (like I currently have, although I assume the SS will fit perfectly) and I am unsure of whether I should go for something like that, or re-fit a stock centre pipe (which is twin from the headers all the way) and just get the Eisenmann exhaust (which hopefully will not require as much welding/fiddling to fit to the stock when compared with the SS centre pipe).
Another thing, which I'm not sure will be possible - the exhaust tail-pipe that is currently fit is a single elongated trapezoid which does look very nice and I was wondering if that could be kept but I replace the rest to get rid of that god awful noise and blowing?
So, what do people think? I'm new to this modifications game (as you can probably tell from my lingo) so forgive any rookie ideas I have mentioned.
I am also having trouble locating stock BMW parts as well as old after market parts and pretty much advice in general, so any places to look would also be appreciated.
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