And how do you suppose I bend the pipes? 
Good custom exhaust places
- Thread starter ScoobyDoo69
- Start date
Associate
I was about to suggest this as there are lots of generic ones available that could be welded in at any point in your design. The valve on mine makes a massive difference in sound, well worth it.
Got any pics of your valved setup, James?
Had a few good conversations with some of the suggested. Looking forward to progressing this early next year along with other mods
Had a few good conversations with some of the suggested. Looking forward to progressing this early next year along with other mods
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Soldato
I wouldn't recommend them, having used them myself a bit and my Dad and bro used them.
Things they have done.
Dented/scratched cars
Only fitted half the hangers on a full system (only on one side)
Distorted the flange on a turbo downpipe, then tried to tighten it up so much that they wrecked the thread.
Probably a few other things I've forgot too. They were very expensive too.
Caporegime
Yep, great guys to deal with and top quality workmanship.
Soldato
Heard very good things about PTR Exhausts in Banbury
Associate
Heard very good things about PTR Exhausts in Banbury
Good luck getting hold of them, I tried ringing, swinging by after work and emailing but had no luck. Tbh I personally started to think they might not be there any more.
That said, I had heard good things too, just figured if getting a quote for work was hard I didn't like the idea of dealing with any issues etc
Associate
My Valvetronic exhaust is a little different as the butterfly valve is pretty much inside the back box and the exhaust gases just take the path of least resistance when opened. The middle pipe splits at the front of the backbox then inside the backbox there are two pipes, the left is a straight pipe through the back box and out again, the right pipe if muffled within the back box. So when valve is shut gases escape out of only one pipe and when open flames only fire out of the one tail pipe.
My exhaust:
https://www.youtube.com/watch?v=sWax-rEnyKA
Remus have recently revised the design but still works very similar:
RKDE is working on a different design for his Clubman which has twin tail pipes but on either side of the car rather than centre exit:
My exhaust:
https://www.youtube.com/watch?v=sWax-rEnyKA
Remus have recently revised the design but still works very similar:
RKDE is working on a different design for his Clubman which has twin tail pipes but on either side of the car rather than centre exit:
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Very useful that James. Thank you
Soldato
Dean at RW-Developments near Birmingham always does top work. He's on Facebook.
Soldato
- Joined
- 29 Dec 2009
- Posts
- 7,175
Agreed, my dads used them too and wouldn't recommend.
Judging by the cars they usually work with, I'm not sure they'd really know what they're doing performance-wise anyway.
Starting looking into this a bit more and have sent a few emails out.
Just wanted to run a few things by people here. If I have a 3" turbo back exhaust which splits via a Y pipe to the 2 x rear back boxes, would 2-2.5" pipework to the back boxes be sufficient? I've seen people do 3" the whole way including past the Y pipe but not sure that's required...
I imagine even 2 x 1.5" pipes would be sufficient but I just wanted to ensure that I wouldn't be having any unnecessary restrictions
Just wanted to run a few things by people here. If I have a 3" turbo back exhaust which splits via a Y pipe to the 2 x rear back boxes, would 2-2.5" pipework to the back boxes be sufficient? I've seen people do 3" the whole way including past the Y pipe but not sure that's required...
I imagine even 2 x 1.5" pipes would be sufficient but I just wanted to ensure that I wouldn't be having any unnecessary restrictions
Associate
Starting looking into this a bit more and have sent a few emails out.
Just wanted to run a few things by people here. If I have a 3" turbo back exhaust which splits via a Y pipe to the 2 x rear back boxes, would 2-2.5" pipework to the back boxes be sufficient? I've seen people do 3" the whole way including past the Y pipe but not sure that's required...
I imagine even 2 x 1.5" pipes would be sufficient but I just wanted to ensure that I wouldn't be having any unnecessary restrictions
Recent and relevant depending on power?
Man of Honour
Numbers are rounded slightly but...
3" tube (1.5mm wall thickness) has a surface area of 4208mm² so we need two tubes that equal or exceed that
A single 2" OD tube has a surface area of 1794mm² so two would be 3589mm²
A 2.25" OD tube has a surface area of 2302mm² so two would be 4605mm²
3" tube (1.5mm wall thickness) has a surface area of 4208mm² so we need two tubes that equal or exceed that
A single 2" OD tube has a surface area of 1794mm² so two would be 3589mm²
A 2.25" OD tube has a surface area of 2302mm² so two would be 4605mm²
I watched this recently and although very interesting, I feel it's different when it comes to turbo applications?
Some good maths there. It would suggest 2 x 2.25" from the Y pipe would indeed be sufficient based on the maths... whether it makes a difference or not to power output who knows
H&S have come back with some reasonable costs so far actually..
Soldato
For absolutely no reason I'll post a pic of my UK Turbo with H&S 5" angled exit "Jap style" eggsauce. It was well made as I recall.
As I slowly lost the power of hearing, it lasted about 2 months.
As I slowly lost the power of hearing, it lasted about 2 months.
Any excuse eh?
I had H&S stuff previously. In fact they did my last downpipe and got rid of 2.5" flange on my Nur Spec R. But at they're quite far away I wanted to see who else was out there.
They are generally decent at what they do, just never been a huge fan of how their back box and tailpipes look, but this is something I could agree with them!
I had H&S stuff previously. In fact they did my last downpipe and got rid of 2.5" flange on my Nur Spec R. But at they're quite far away I wanted to see who else was out there.
They are generally decent at what they do, just never been a huge fan of how their back box and tailpipes look, but this is something I could agree with them!
Soldato
This is how I feel too. I settled on a TSL Group N backbox in the end.
I think this RA I'm getting has a Genome exhaust but not sure. Pretty sure it's not titanium like the S202.