..."i told you so!"

[MattLux]

After putting the decatted y piece on I'm having a few issues, well one issue...the "tiny" sound whilst under 3000rpm. Once i put the right foot down and go above this it sound beautiful and i have the biggest smile on my face, but when I'm in traffic and stationary the sound under the bonnet is not up to scratch. Plus, I'm sure it will annoy me more when summer decided to arrive and i have the roof off. So what are my options?

Either:
Remove and put the old y piece on - save and buy an ACT or Clive special
Wrap the y piece in exhaust wrap and hope it reduces the tiny noise
Remove and have the old y piece on and sleeve the exhaust.

Thanks for reading

[Simon says]

Try wrapping it 1st what you got to lose

[yellowgriff]

ACT all the time

[Alexdaredevilz]

Or

Come round and listen to mine that's been wrapped

[haircutmike]

Alexdaredevilz said:

Or

Come round and listen to mine that's been wrapped

Must admit, Alex's doesn't sound tinny, just louder then mine.

£299 for a ACT Y piece, might still sound tinny?

[quattrophenia]

MattLux said:

After putting the decatted y piece on I'm having a few issues, well one issue...the "tiny" sound whilst under 3000rpm. Once i put the right foot down and go above this it sound beautiful and i have the biggest smile on my face, but when I'm in traffic and stationary the sound under the bonnet is not up to scratch. Plus, I'm sure it will annoy me more when summer decided to arrive and i have the roof off. So what are my options?

Either:
Remove and put the old y piece on - save and buy an ACT or Clive special
Wrap the y piece in exhaust wrap and hope it reduces the tiny noise
Remove and have the old y piece on and sleeve the exhaust.

Thanks for reading

Stupid question I know, but I take it you tested it with the roof off!? I rarely venture out without the roof down and on the odd occasion I'm forced to put the roof up (or go targa) it's quite suprising how much quieter it is.
I suppose you could drive through town in first at 4000 rpm. Should turn a few heads.

[.Mark]

quattrophenia said:

I suppose you could drive through town in first at 4000 rpm. Should turn a few heads.

Is that not standard practice?

[MattLux]

Alex - Not 100% sure what im doing this weekend but up for popping over to listen asap, might be a good option to go for - Email me your address when you have a second!

Steve - Because of the weather, had the roof up since i put the y piece in. Even when i start the car and just stand by it (not that i do that a lot!) the "tiny" noise is just to much.

If i can reduce the noise under the bonnet then i will be keeping it, if not then the old y piece is going back on - shame as i love the pops and bangs!

[Alexdaredevilz]

Take a quick video with the bonnet up on idle and few revs

[Alexdaredevilz]

Edited by Alexdaredevilz on Tuesday 1st March 16:26

[Johno]

I'm not sure how long ago you did the conversion, but the sound will blunt once you get a build up of carbon etc inside . . . . However, you can't overcome the size of the pipework and the resonance that will create.

Have you taken an existing Y piece and knocked out the old cat? If so then start saving.

I've one of Tim's and it's OK sounding, but I didn't take it out for the noise, the rest of my system is standard apart from the pre cats which came out a long time ago.

Edited by Johno on Tuesday 1st March 16:28

[MattLux]

Johno said:

I'm not sure how long ago you did the conversion, but the sound will blunt once you get a build up of carbon etc inside . . . . However, you can't overcome the size of the pipework and the resonance that will create.

Thanks for that Johno - didn't think of that, however its been used before so think its as built up as possible. Iv taken the pre cats out and the y piece has been cut open and cat removed. As said - i love the sound when the cars moving but in slow traffic the tiny sound isn't ideal and putting me off. I have my old y piece still (cat still in it) so can swap back over, just wanted to see what people thought was the best option.

Johno said:

it's OK sounding, but I didn't take it out for the noise

...I did That and having a cooler temperature under the hood.

Alexdaredevilz said:

Take a quick video with the bonnet up on idle and few revs

See what you think:

http://www.youtube.com/watch?v=10qExFcVrt8
http://www.youtube.com/watch?v=gYBrKSgOTfM
http://www.youtube.com/watch?v=QihSZrB2Hp0

Edited by MattLux on Tuesday 1st March 22:01

[Alexdaredevilz]

You sure that's been welded up properly? or the manifolds - ypiece isnt blowing?

[SILICONE KID]

The ACT Y piece is tinny and gets on my nerves but not that bad.!
These are the best manifolds and Y piece iv`e seen.Nice thick grade s\s pipe and a smaller bore..Larger bore only needed because of the cats.

Edited by SILICONE KID on Tuesday 1st March 22:28

[Ribol]

Each to their own etc but I couldn't live with that.

The thing I like the most about my car (standard) is the way it sounds and it doesn't sound anything like that.

[MattLux]

Thats why the topic was name, "i told you so!"

If you experiencing a tinny sound from an ACT Y piece (even if its a small amount), guess iv go no hope with my setup! Back to the old y piece -quickly!

Thanks for looking guys!

[Ribol]

MattLux said:

Back to the old y piece -quickly!

[spend]

The 2 of Cliffs I've heard didn't sound tinny?

- but neither did they have lawnmowers in front of them

[Alexdaredevilz]

MattLux said:

Thats why the topic was name, "i told you so!"

If you experiencing a tinny sound from an ACT Y piece (even if its a small amount), guess iv go no hope with my setup! Back to the old y piece -quickly!

Thanks for looking guys!

What!!!

Clearly there's a problem making this noise because mine doesn't sound any thing like that,

Have you retighten the clamps since you got up to temp?

Is the weld solid and complete?

I'm sure Hair cut mike will be here soon to confirm, as he has drove my car as much as me since the cat come out

[haircutmike]

Here already, sitting outside a site in London!

Definetely not tiny, in fact similar sound to standard, just noisier.

I'll still keep mine standard though.

I ofton do 400-500 miles a day when doing a T/D, the last thing I want is more noise!