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TDi Exhaust Blowing from everywhere! Recomendations for a new one please!


RF51
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Hi all,

As the title states, my exhaust is in pretty bad shape!

I need a complete system really.

Does anyone recommend anywhere to have it replaced at a reasonable cost?

Or does anyone have a complete 2nd hand exhaust I can buy from them?

Thanks in advance :)

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Replacing two cats plus back boxes isn't going to be cheap either! I'd say your looking at near £1k mark for the lot even with cheapo replica parts

Not even close. Your getting ripped off.

Go to a local tyre and exhaust place, a full system will be cheap enough. And they'll be able to see exactly what you need.

This.

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Not sure if you'll be interested or not, but I just had a full system from the cat back done by a power flow specialist. Was £260 all in.

Any increase in performance? I'm thinking of getting mine decatted.

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Yeah, still have the cat in mine, but even with that there is a difference. Not a huge one, but it does pull for a little longer. :yes:

Edited by wesrev87
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Not even close. Your getting ripped off.

Have you seen how much a cat cost? Looking at £200 each! Plus the two o2 sensors another £250

Two silencers another £250 plus hangers and bushes and fitting, you do the math

And those are not vw prices either!

That's a whole new system from the engine as the op originally stated this.

Edited by Chrisbee
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Who said anything about sensors? No mention of eml on dash was made, I think we're just gonna have to agree to disagree on this one coz IMO your price estimation is bonkers, and 250 quid for silencers, what?! If I went into an exhaust place with a few blowing issues on a little Lupo and the bloke quoted me anywhere near a grand to sort it I'd have him sectioned!!

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Have you seen how much a cat cost? Looking at £200 each! Plus the two o2 sensors another £250

Two silencers another £250 plus hangers and bushes and fitting, you do the math

And those are not vw prices either!

That's a whole new system from the engine as the op originally stated this.

Tdi has one cat, and no sensors.

Any more than 300 retail your getting had IMO.

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Thanks for the comments guys - I need a full system from the Turbo back

As someone has stated, the TDi has 1 Cat and No Sensors.

I posted to see if anyone had a full system made and an idea of the prices - as now is prime time to get a new one as it is blowing from the bottom of the flexi, and where the centre pipe joins the backbox. The centre box has damage from where someone has scraped over something at some point and the backbox is probably going to need replacing in the next year or so!

That's going to need a hell of a lot of exhaust putty!

I want to de-cat the car as it doesn't really need one being diesel, but I can't find de-cat pipes for sale as ideally I just want bolt on replacement parts.

Is £260 reasonable for a Cat Back?

So from the Turbo back from Powerflow, i'd be looking at around £350?

Thanks again

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Have you seen how much a cat cost? Looking at £200 each! Plus the two o2 sensors another £250

Two silencers another £250 plus hangers and bushes and fitting, you do the math

And those are not vw prices either!

That's a whole new system from the engine as the op originally stated this.

Your talking crap. Where is there 2 cats? Also show me the lambda sensor in the tdi? £250 for a silencer lol they shaft you good and proper don't they.

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Firstly I didn't say a grand i said the best part you lot need to take reading lessions.

Secondary I didn't realise it was for a TDI so my parts list was for a complete engine back petrol system from a decent parts place or vw, not euro crap parts.

Thirdly even for a full TDI exhaust your still looking AT THE BEST PART of 1k

Mainly due to the price of the cat (list price is £700!) But you'll probably get it for around £300-500.

That's all I'm saying on the matter I'm done.

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Firstly I didn't say a grand i said the best part you lot need to take reading lessions.

Secondary I didn't realise it was for a TDI so my parts list was for a complete engine back petrol system from a decent parts place or vw, not euro crap parts.

Thirdly even for a full TDI exhaust your still looking AT THE BEST PART of 1k

Mainly due to the price of the cat (list price is £700!) But you'll probably get it for around £300-500.

That's all I'm saying on the matter I'm done.

So you was wrong and then wrong again. Good post. Lessions? I think you need spelling lessons?

Engine back so manifold too then?

Ok so you would spend £700 on a car worth what £1k? LOL!!

You priced it up for the wrong car even though the first word in the title is TDi? You need reading glasses son. Then you go on to contradict yourself and say the exhaust for a tdi is nearly £1k,

clapping-gif1.gif

Edited by Dblock
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Thanks for the comments guys - I need a full system from the Turbo back

As someone has stated, the TDi has 1 Cat and No Sensors.

I posted to see if anyone had a full system made and an idea of the prices - as now is prime time to get a new one as it is blowing from the bottom of the flexi, and where the centre pipe joins the backbox. The centre box has damage from where someone has scraped over something at some point and the backbox is probably going to need replacing in the next year or so!

That's going to need a hell of a lot of exhaust putty!

I want to de-cat the car as it doesn't really need one being diesel, but I can't find de-cat pipes for sale as ideally I just want bolt on replacement parts.

Is £260 reasonable for a Cat Back?

So from the Turbo back from Powerflow, i'd be looking at around £350?

Thanks again

Also depending on the exhaust place I would say thats about right. Just make sure they have a good rep, I want to go slightly bigger but don't want any drone so I will need to make sure it's got the silencers etc in it.. The AMF lupo/arosa doesn't have any bolt on decats, For a cheap exhaust try the usual ecp/gsf/ebay they parts are cheap so it's not a big worry to replace most of it. They will be bolt on replacements.

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Have you seen how much a cat cost? Looking at £200 each! Plus the two o2 sensors another £250

Two silencers another £250 plus hangers and bushes and fitting, you do the math

So....

2 x 200=400

400 + 250=650

650 + 250=900

+50(approx for fitting,hangers, brackets etc)

£950. I did the math as per your request and that seems pretty close to a grand for you to start getting all precious over your comments bring taken so literally, 50 quid here or there doesn't make any difference really when your pricing structure is already so far beyond correct, hell, make it 2k, sod it, 22k. Get back in your box, you got it wrong through your own stupidity, you can't start having a go at other members who do actually have a clue because of that.

OP, regardless I would also advise going down the decat route, tbh the price seems quite reasonable IMO, but there are a couple of other thread with people doing the same thing, also you could PM al on here, in the traders section-awesomegti(?), he knows his stuff when it comes to exhausts and tuning, and if he can't help personally he'll be sat next to someone who can.

Edited by Pete
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I assume a decat would also result in a modest improvement in economy ?

It potentially could. But it think it's quite small. The main reasons are usually less back pressure so less stress on turbo and more responsiveness. Possibly a tiny bit of power. With the tdi bar the remap its all about getting a little here abd a little there. It's not like one thing can bump up your mpg alot.

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Okay just a quick on this, when I had the powerflow exhaust put on a VAG "specialist" (and I use the term loosely) had just replaced the cat for 199 including fitting. so it was 260 for powerflow from the cat back + the 199 for a cat so about 460 for both.

But the Powerflow guy did say he could do a decat using an empty cat box (to try and get round fussy MOT guys) and he said that he can do that for 60.

Definitely would not pay 1k for a tdi exhaust, would have cost that for miltek system with a high flow cat for my old leon... :surprised:

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The AMF lupo/arosa doesn't have any bolt on decats, For a cheap exhaust try the usual ecp/gsf/ebay they parts are cheap so it's not a big worry to replace most of it. They will be bolt on replacements.

That is the route I am looking at going down, it looks much cheaper than having one built for the car. The engine has no mods, so I'm not worried about restricting performance as engine wise (apart from the EGR delete) it is as it came out of the factory. Maybe in the future I'll get the insides of the cat removed, so it still looks standard but is hollow!

OP, regardless I would also advise going down the decat route, tbh the price seems quite reasonable IMO, but there are a couple of other thread with people doing the same thing, also you could PM al on here, in the traders section-awesomegti(?), he knows his stuff when it comes to exhausts and tuning, and if he can't help personally he'll be sat next to someone who can.

Thanks very much! I'll bear that in mind

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