L322 V8 Exhaust sound

shunter v8 · Nov 10, 2020

My 2004 V8 l322 is rattling on start up and believe it is the cats, I have got decat pipes for it but I would like more V8 sound to come from the exhaust without going crazy and buying a full system, I did see a seller on Ebay a while ago who did pipes with small built in silencers and you cut the big box out and welded these ones on but I cant find him now. Has anyone made any mods to their exhaust system to get a better sound.

brianp38dse · Nov 10, 2020

The L322 v8 rattling on start up is often the vanos units on the cams.

tomcat59alan · Nov 11, 2020

You may have a problem with the MOT if its de-cated

biketeacherdave · Nov 11, 2020

I have that very same fella on my ebay list he makes a nice set of stainless rear pipes with or without the silences. Better to have the silence type.
He currently doesn't have any in stock for the L322 but will let me know when he has.

Start up rattle will be vanos. Remove the vanos valves/solinoids clean out with lots of brake cleaner and I mean lots fill with 5w50 oil and refit while your in there do an oil and filter change.
If problems continue suspect poss chain guides on there way out but they usually cause a constant and loud slap.

wammers · Nov 11, 2020

It is illegal to remove cats fitted as standard. Its about time it was made illegal to supple decat equipement.

Colthebrummie · Nov 11, 2020

wammers said:
It is illegal to remove cats fitted as standard. Its about time it was made illegal to supple decat equipement.

I agree. Cats are meant to reduce harmful emissions and Rangerovers chuck out quite a bit compared to the average family hatchback. It's very irresponsible to purposely cause pollution.

Col

discool · Nov 11, 2020

wammers said:
It is illegal to remove cats fitted as standard. Its about time it was made illegal to supple decat equipement.

If the vehicle is possibly used in the Isle of Man its no applicable as they dont have the MOT there.

wammers · Nov 11, 2020

discool said:
If the vehicle is possibly used in the Isle of Man its no applicable as they dont have the MOT there.

It is about construction and use regulations.

shunter v8 · Nov 11, 2020

I was told it was the cats but you may well be right guys on the vanos solenoids I will check that first and if it is that solves that problem. Discool you are correct we do not have a MOT on the island unless you import a vehicle over and if it is over three years old it has to go through a government test or you have not taxed your vehicle for two years it then requires a test. Biketeacherdave could you please let me know that guys ebay name as he has vanished from my watch list. Thanks for the help everyone.

Mark Piercy · Nov 11, 2020

Climb underneath and give the cats a tap, if they rattle they're buggered.
If not, check the rest of the system while your under there. Could be a broken mount or u bolt.

shunter v8 · Nov 11, 2020

Good advice I will try that thanks.

biketeacherdave · Nov 12, 2020

https://www.ebay.co.uk/itm/124282755571
Here you go

shunter v8 · Nov 12, 2020

That's the one thanks very much.

biketeacherdave · Nov 13, 2020

shunter v8 said:
That's the one thanks very much.

If your after a set I can message him he mite make up a few sets as he does them to order

shunter v8 · Nov 13, 2020

Yes please I will have a set with the baffles. Thanks.

shunter v8 · Nov 15, 2020

Dave, I have just noticed he has relisted them again.

biketeacherdave · Nov 25, 2020

Hi hunter
Yes relisted again iv been in contact and have just bought mine with silencers. Dont want to be too boy racer not at my age

shunter v8 · Nov 26, 2020

Yes I have ordered the same, I must be getting old.

biketeacherdave · Nov 26, 2020

The utube clips of straight pipes on these just sound pants

shunter v8 · Nov 27, 2020

I totally agree as I thought that as well, I probably would not have said that 30 years ago though when noise was everything.

L322 V8 Exhaust sound

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