Decibels

[Fluffsri/cv8]

I have a loud exhaust fitted by Monkfish and was wondering if anyone knew the noise rating on these systems. Im planning on taking the car around Castle Coombe but they have a 100db rating. Anyone know ?

[SplatSpeed]

Fluffsri/cv8 said:

I have a loud exhaust fitted by Monkfish and was wondering if anyone knew the noise rating on these systems. Im planning on taking the car around Castle Coombe but they have a 100db rating. Anyone know ?

coombe has problems

performance exhausts are an issue

[slackalice]

The best course of action is to go along to somewhere like Goodwood at anytime throughout a working day, including Saturdays and get them to do you a sound test, all they ask you to do is to drop two bob into the "tea fund".

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The manufacturers noise ratings should be seen as a guide - it's hard to accurately make the exhausts have the same level and I've seen the exact same exhaust setup on different cards read completely different. For example, a new echaust will generally be louder (and tinnier) than an old one thats got carbo build up inside.

The best plan is just go along to the nearest easytrack/bookatrack/etc trackday and ask the organisers to test the car. You don't have to do the trackday and all of them will be happy to do this (as far as I know).

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[Gas_Man]

I have the full system (headers/manifolds, cats, and straight through cat back system on my CV8 and that's WAAY too loud for a track (approx 125db+)

[willisit]

I'm intending to go to Coombe in April for one of their track days - but I'm not particularly expecting to pass noise tests.. but I'll have a go (6.0 with Wortec cat-back)

[gareth h]

I don't think you will pass the noise tests at Combe on anything but a standard system, I did a couple of Porsche days there, aircooled 911s were failing with standard exhausts.

[Fluffsri/cv8]

Looks like ill be taking the Vec with me then

[willisit]

Looks like mine'll be sitting on the grass then!

[Fluffsri/cv8]

willisit said:

I'm intending to go to Coombe in April for one of their track days - but I'm not particularly expecting to pass noise tests.. but I'll have a go (6.0 with Wortec cat-back)

Are you going to the action day on the 19th April mate?