I am about to get a ScoobySport DP and was wondering about getting it 'lagged' but I know almost nothing about it.

I assume it will keep the noise inside the car down?

What are the pro's and con's?

Is it a DIY job?

Where can I get it done in the NW?

How much will it cost?

Andrew...

[This message has been edited by AndrewC (edited 10 April 2001).]

 

Andrew, got mine done at TAS in Leyland - ring Drew on 01772 454647 and mention my name

Benefits wise, don't think it will make any real difference to in-cabin noise, main benefits are preventing 'heatsoak' into the cabin, and marginal performance benefit - the hotter the gas, the quicker/freer it flows

 

Ask Mr. Croney. He will give you honest advice.

 

Hi.

I lagged my downpipe and midsection because I found the noise level too much inside the car. It does quieten it quite alot really! I bought the 2 inch wrap from Demon Tweeks (along with the stainless ties and silicone spray) and did it when I had to refit the old pipes for the MOT. It cost about £50 and if you know how to apply a bandage or bicycle handlebar tape it's a doddle and well worth the effort. Plus a marginal gain due to the hotter gasses.

Only problem is that I must have brushed a speed bump or 2 because I noticed some lengths of it hanging off the mid section last night .

Steve.

 

Lagging a downpipe will give a slight reduction on noise in the car.

If we lag downpipes, we only lag down to just above the bottom bend. This is for two reasons...

1) If you graze a speed bump (you shouldn't as it doesn't sit lower) then it will tear off.

2) The horizontal part will get wet with road water and may give off some unpleasant smells.

 

Mr Croney,

Do you believe it is worth doing?

Andrew...

 

I've never done it on any of my cars.

 

From my own experience I don't know if just lagging the downpipe made any difference to the noise but lagging the mid section made the difference between me keeping or selling it as I certainly couldn't put up with the noise beforehand. However, as Pete pointed out if you graze a speed bump it tears hence the 4 tails I have hanging off the mid section . Might also explain the increase in noise which I thought I had been imagining.

When I did mine I gave both lagged pipes a heavy coating of silicone spray to prevent too much moisture ingress and for a bit of added heat protection (so it says in the catalogue ) and the only smell I had was like burnt cakes for a couple of weeks after. Certainly not unpleasant....

Steve.

 

Thanks all,

I think I'll try it without and see how loud it is.

Andrew...

 

Hi,
Is the lagging you refer to the white supple woven stuff thats about inch and alf wide as i've got a roll left and not quiet sure if its exhaust proof and dont want a fire.

Thanks

 

Hi Paul.

Could be. It should have a silicone grain texture to it as well as the weave. If in doubt try to set light to it with a blow torch and see how well it burns

Steve.