Exhaust????

landy_luke · Jan 15, 2011

Just a quick question guys.
I've searched the forum but can't seem to find a definative answer.
My cat is leaking on 300 tdi, as is the rest of exhaust.
I gather from what i've read that it's better to buy a de cat pipe,
so do i buy a straight through middle or stick with the middle silencer and just replace it.
Also what effect will it have when it comes to the MOT time.
Thanks.

concal · Jan 15, 2011

go for it made no differnce to mine on mot runs better as well

teddykiller · Jan 15, 2011

Do what I did, get a stainless exhaust inc de-cat, you will notice a vast improvement in power and smooth acceleration.

cost me £400 but in the long run considering cats are £150+ its cheaper and the exhaust is guaranteed for the life of the car.

battenberg · Jan 15, 2011

a decat downpipe costs about 20 quid, the smart guy takes his old cat to a metals dealer and sells the platinum for 40 quid!

no effect on MOT!

jamesmartin · Jan 15, 2011

defernder down pipe has no cat and is cheap and is the same fitment

thebiglad · Jan 15, 2011

landy_luke said:
Just a quick question guys.
I've searched the forum but can't seem to find a definative answer.
My cat is leaking on 300 tdi, as is the rest of exhaust.
I gather from what i've read that it's better to buy a de cat pipe,
so do i buy a straight through middle or stick with the middle silencer and just replace it.
Also what effect will it have when it comes to the MOT time.
Thanks.

Hi Luke if the whole exhaust is shot then go for a new de-cat downpipe ESR2297 plus a new full system from Paddocks. If yours is a manual box go for their "TDi 300 Performance system" if it's autobox go for the std one.

There is a little more noise with the performance system but on a manual box car it works quite well, but it's not nice on an autobox car at all.

landy_luke · Jan 15, 2011

thebiglad said:
Hi Luke if the whole exhaust is shot then go for a new de-cat downpipe ESR2297 plus a new full system from Paddocks. If yours is a manual box go for their "TDi 300 Performance system" if it's autobox go for the std one.

There is a little more noise with the performance system but on a manual box car it works quite well, but it's not nice on an autobox car at all.

Hi, thebiglad, i've made a mistake i've just noticed with this thread. It hasn't actually got a cat on, it looks like a down pipe with flexi.:doh:
Would a straight pipe still be fine or would i need a flexi, and is the performane exhaust this one with part number PM011, if so, will that be loud or is it recomended to leave on middle silencer?
Cheers.

thebiglad · Jan 15, 2011

landy_luke said:
Hi, thebiglad, i've made a mistake i've just noticed with this thread. It hasn't actually got a cat on, it looks like a down pipe with flexi.:doh:
Would a straight pipe still be fine or would i need a flexi, and is the performance exhaust this one with part number PM011, if so, will that be loud or is it recomended to leave on middle silencer?
Cheers.

So if I understand you correctly, the leak is coming from the flexy bit of the downpipe? If that's right then yes, you would be well advised to get a solid one ESR2297 (about£20)

PM011 is the correct one for a manual gearbox car, yes.

landy_luke · Jan 15, 2011

Yes mate, that's correct. Will it sound well, i've read a few things on here that after fitting the solid front pipe and straight through middle pipe, they sound really loud and have had to refit middle silencer.

thebiglad · Jan 15, 2011

landy_luke said:
Yes mate, that's correct. Will it sound well, i've read a few things on here that after fitting the solid front pipe and straight through middle pipe, they sound really loud and have had to refit middle silencer.

That's why I keep differentiating between auto and manual gearboxes. The downpipe mod changes nothing re noise, but the straight-through centre section does increase noise levels.

The issue with auto boxes is that for a lot of the driving time you are below 52mph so the revs are spilling away like a slipping clutch and the noise drones & gets, imo, unpleasant. With a manual gearbox you are up and down the box all the time so the revs are changing and the noise is not so noticeable.

You pays yer money etc etc

Exhaust????

landy_luke

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concal

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teddykiller

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battenberg

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jamesmartin

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thebiglad

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landy_luke

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thebiglad

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landy_luke

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thebiglad

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