custom exhausts
custom exhausts
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Rockettvr

Original Poster:

1,984 posts

166 months

Monday 4th May 2015
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In the words of Jack Warner Evening All - you youngsters can ask your dad about that
After giving some thought to my exhaust issues (see previous thread) I've decided that as my pocket won't run to a brand new system from ACT (£1300 FFS !! Paid less than twice that for the whole car!!) I'm going to get my manifolds/downpipe repaired and replace the rest of the system which is totally fubar'd
The manifolds will be replaced once I've saved enough pennies or a set present themselves.
As I'm replacing the rest of the system it gives me the opportunity to go for a more custom system as my wedge has always been a little on the quiet side and I'm not keen on the way the exhaust routes toward the nearside of the car then running right across the back of the car to exit on the offside
To that end I'd like those that have custom exhausts to post any pics and any tips/warnings/recommendations that they may have with their set ups
I'm thinking of using Pipecraft as their very local and seem to have a good reputation so if anyone's used them id be glad to hear of their experience
Cheers all
Ron

braveheart 3

119 posts

214 months

Monday 4th May 2015
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Hi Ron
I used Pipecraft years ago on a kit car I built and was impressed I would use them again.
Regards
Braveheart

jon haines

960 posts

269 months

Monday 4th May 2015
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A couple of years ago I had my manifolds repaired managed to get a second hand stainless silencer and had a custom section from there back made. Cost me £40 for manifold repairs £40 for silencer and £250 for rest. Find some pics and post up.

bradderztvr

364 posts

170 months

Monday 4th May 2015
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Try JP Exhausts in Macclesfield, for a stainless one. Not sure how much they are these days, but a full system was only £300 27 yrs ago compared to a mild steel one from TVR at £600. Life time guarantee!, and mine is due to be replaced on that warranty.

Wedg1e

27,011 posts

288 months

Monday 4th May 2015
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bradderztvr said:
Try JP Exhausts in Macclesfield, for a stainless one. Not sure how much they are these days, but a full system was only £300 27 yrs ago compared to a mild steel one from TVR at £600. Life time guarantee!, and mine is due to be replaced on that warranty.
My exhaust is stainless from the manifold couplings backwards (actually about 6" of each manifold is as well, it's better to have the joint all stainless), I knew the wadding wouldn't have lasted as long as the rest of the system and sure enough when I cut the silencer open there was hardly anything in it so I re-stuffed it with stainless wire wool.
Cost nearly £40 but I think it's fair to say that the exhaust will outlast the rest of the car smile

rev-erend

21,603 posts

307 months

Tuesday 5th May 2015
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I made my own from stainless parts supplied by JP exhausts.

It's a 4 into 1.

1 3/4inch primaries, 2.5 inch after the collector on each bank the 3 inch straight through
the box.

JP build the box to my spec - with the box being only 3.5 inches deep to aid ground clearance.

mrzigazaga

18,762 posts

188 months

Tuesday 5th May 2015
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Hi Ron..You might struggle a bit with the manifolds unless you are prepared to spend some serious money..Pipecraft don't do manifolds anymore..Maybe have a word with Bell hill or Possibly Douglas valley to see if they have a stainless set lying about as you never know..Or even good mild steel ones..Do away with the centre box and route accordingly into a sub bass boosting back muffler box into single 3" tailpipe...Yummy..If you hunt around you might be able to pick up a complete system for relatively low cost but it might mean a bit from here and a bit from there so to speak...Ziga

haydenf

65 posts

178 months

Tuesday 5th May 2015
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Try A14 Tyres Ltd at Bury st Edmunds,they quoted me just before a took my S1 off the road for winter £250 plus VAT and fitted,for both down pipes from the bottom manifold joint to the main exhaust under the car,these were for stainleess steel and made by them in the work shop,I have not had these done yet but will do this year.

Telephone No 01284 765000 ask for Lee or olly

bradderztvr

364 posts

170 months

Tuesday 5th May 2015
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mrzigazaga said:
..Do away with the centre box and route accordingly into a sub bass boosting back muffler box into single 3" tailpipe...
I think I've asked this before about getting rid of the centre box, but have heard differing opinions re back pressure etc, and messing with what TVR did can often make it worse.

mrzigazaga

18,762 posts

188 months

Tuesday 5th May 2015
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bradderztvr said:
mrzigazaga said:
..Do away with the centre box and route accordingly into a sub bass boosting back muffler box into single 3" tailpipe...
I think I've asked this before about getting rid of the centre box, but have heard differing opinions re back pressure etc, and messing with what TVR did can often make it worse.
I don't think they are advanced enough to be effected by that..Back pressure is when the pressure backs up at the valves..Thats not something that can do any engine any good..I would want a good outflow of gases..Different if you have a highly tuned engine and exhaust then a certain amount of tailored flow is important ..Apparently its make believe that an engine "Needs" back pressure??...I still recall the sound of exploding bananas in the early eighties ..Especially on an Escort or Cortina..

Wedg1e

27,011 posts

288 months

Wednesday 6th May 2015
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mrzigazaga said:
I don't think they are advanced enough to be effected by that..Back pressure is when the pressure backs up at the valves..Thats not something that can do any engine any good..I would want a good outflow of gases..Different if you have a highly tuned engine and exhaust then a certain amount of tailored flow is important ..Apparently its make believe that an engine "Needs" back pressure??...
Can of worms open there fella biggrin

gmw9666

2,739 posts

223 months

Wednesday 6th May 2015
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my old silver wedge had a bespoke system from JP if I remember correctly, what I did like about it was it was straight through so nice and loud but the 2 back boxes had removable baffles you could insert to tone it down a bit.....clever huh

pic of the layout here for reference

Out of interest, I'd also like to get my hands on a pair of the larger bore manifolds.....normal steel vs stainless are fine if anyone has any??? mine are currently the narrow / smaller type





cirks

2,528 posts

306 months

Wednesday 6th May 2015
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Could speak to TopCats and see what Warren can sort out for you. My system was replaced last time the car was with him due to having to quieten the whole thing down (they can do the opposite for you!). Not sure what options exist for the manifolds as mine was from there back. Can take some piccies if you want.

mrzigazaga

18,762 posts

188 months

Wednesday 6th May 2015
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I have SX400/400SE manifolds on mine which are a bit bigger...Unfortunately already gave the old mild ones to someone else a while back..There were rusty but in fairly good nick if i remember rightly...JP make the ACT exhausts so would have a template for the Wedge..Whether its cheaper contacting them directly i wouldn't know..I would still make some calls to "Douglas valley breakers" and "Bell hill garage" as to salvaging a system ..Even if the manifolds are from one and the rest is from another and then you have to get some straight pipe cut and welded in between..It should cost a hell of a lot less than a new system..It would give you a bit of grace to save up for a decent system if needed...Ziga

B@man

1,486 posts

227 months

Wednesday 6th May 2015
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Is anyone running their pipes under the diff ?

I just found the modded suspension is right where the exhaust wants to be after it exits the silencer... so... as I've always thought it needs a pair of exhausts it's an "opportunity" rather than a problem. I'm thinking of going into a 2.5" to 2" Y piece after the silencer then running a pair of 2" pipes under the diff cradle which will then go up and into the rear spoiler.

End result should be similar to Blane's 400

Rockettvr

Original Poster:

1,984 posts

166 months

Wednesday 6th May 2015
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Have tried the two breakers mentioned but nothing available.
Glenn I had sent you a couple of emails regarding your exhaust but Hallsie nipped in first. Like the way its routed and the straight through pipes under the car would give me lots more ground clearance - I think one of the reasons my exhaust is buggered it that it take so much of a battering on the speed humps round my way.
My current plan is to repair the manifold downpipes and cobble together a new system using a new box/boxes and pipework from the internet
Couldn't have come at a worse time financially as we've just paid up our family summer holiday,the family hack got rear ended at the weekend and I got rear ended in my work van on the way home last night.
They say it comes in threes frown
Need to get the car in the air and design a system that works for me then break out the welder smile. Luckily my father in law is a welder/fabricator by trade although trying to pin him down to do something is a bit of a mission
Any more photos of your custom systems would be welcome. thumbup

Edited by Rockettvr on Wednesday 6th May 11:10

gmw9666

2,739 posts

223 months

Wednesday 6th May 2015
quotequote all
Rockettvr said:
Have tried the two breakers mentioned but nothing available.
Glenn I had sent you a couple of emails regarding your exhaust but Hallsie nipped in first. Like the way its routed and the straight through pipes under the car would give me lots more ground clearance - I think one of the reasons my exhaust is buggered it that it take so much of a battering on the speed humps round my way.
My current plan is to repair the manifold downpipes and cobble together a new system using a new box/boxes and pipework from the internet
Couldn't have come at a worse time financially as we've just paid up our family summer holiday,the family hack got rear ended at the weekend and I got rear ended in my work van on the way home last night.
They say it comes in threes frown
Need to get the car in the air and design a system that works for me then break out the welder smile. Luckily my father in law is a welder/fabricator by trade although trying to pin him down to do something is a bit of a mission
Any more photos of your custom systems would be welcome. thumbup

Edited by Rockettvr on Wednesday 6th May 11:10
Has Stu used it or is it gathering dust?......maybe he'll sell it on?

Rockettvr

Original Poster:

1,984 posts

166 months

Wednesday 6th May 2015
quotequote all
gmw9666 said:
Has Stu used it or is it gathering dust?......maybe he'll sell it on?
Think he has plans to fit it to his 2+2 hrs refurbing now. I'll drop him a line and see if he'd consider parting with it.

rev-erend

21,603 posts

307 months

Wednesday 6th May 2015
quotequote all
B@man said:
Is anyone running their pipes under the diff ?

I just found the modded suspension is right where the exhaust wants to be after it exits the silencer... so... as I've always thought it needs a pair of exhausts it's an "opportunity" rather than a problem. I'm thinking of going into a 2.5" to 2" Y piece after the silencer then running a pair of 2" pipes under the diff cradle which will then go up and into the rear spoiler.

End result should be similar to Blane's 400
All the SEAC's routed under the diff.

hallsie

2,185 posts

243 months

Wednesday 6th May 2015
quotequote all
gmw9666 said:
Has Stu used it or is it gathering dust?......maybe he'll sell it on?
It is gathering dust at the moment..





But, its all coming together soon, perhaps even this week, and the engine will be in the chassis along with the exhaust by the end of the month, so sorry, its not available!!