Stardard style Cerbera back box.
Discussion
gruffalo said:
Olly, talk to Tim at ACT I believe they are about to put one into production.
Will do on Monday, as I am desperate for something less crude than the Sports Tails that ensure you fail every noise test.I really need a guaranteed sub 105 dB at 4500, that is the absolute minimum.
Anything less (sound dampening) is just extremely anti-social, attracts unwelcome attention, and detracts from my enjoyment of the car (99% of the time, but for the other 1% it's quite fun).
There must be loads hanging around .. those who upgraded to sports exhausts.
Have you checked the TVR spares for sale ?
http://www.pistonheads.com/classifieds/parts-and-p...
Have you checked the TVR spares for sale ?
http://www.pistonheads.com/classifieds/parts-and-p...
Edited by rev-erend on Friday 22 March 14:04
ukkid35 said:
Will do on Monday, as I am desperate for something less crude than the Sports Tails that ensure you fail every noise test.
I really need a guaranteed sub 105 dB at 4500, that is the absolute minimum.
Anything less (sound dampening) is just extremely anti-social, attracts unwelcome attention, and detracts from my enjoyment of the car (99% of the time, but for the other 1% it's quite fun).
Seriously, do yourself a favour and don't bother. They are very heavy and have low ground clearance. Act do a quiet system which I have on my car with silenced centre pipes, a little extra in the tail pipes and the rear sports boxes. Small, light, 106db at 4500rpm, or 96-98db with the additional trackday silencers on. If you need those, get them to make the tail pipes removable/bolt on and you can swap between trackday additional cans and normal tailpipes with a couple of bolts either side. I really need a guaranteed sub 105 dB at 4500, that is the absolute minimum.
Anything less (sound dampening) is just extremely anti-social, attracts unwelcome attention, and detracts from my enjoyment of the car (99% of the time, but for the other 1% it's quite fun).
Have you decatted? These are a terrible source of heat but do provide 8-10db of noise reduction. There are some silenced non cat pipes you can put in as well.
Byker28i said:
Seriously, do yourself a favour and don't bother. They are very heavy and have low ground clearance. Act do a quiet system which I have on my car with silenced centre pipes, a little extra in the tail pipes and the rear sports boxes. Small, light, 106db at 4500rpm, or 96-98db with the additional trackday silencers on. If you need those, get them to make the tail pipes removable/bolt on and you can swap between trackday additional cans and normal tailpipes with a couple of bolts either side.
Have you decatted? These are a terrible source of heat but do provide 8-10db of noise reduction. There are some silenced non cat pipes you can put in as well.
Byker,Have you decatted? These are a terrible source of heat but do provide 8-10db of noise reduction. There are some silenced non cat pipes you can put in as well.
Is that 106db without cats?
I have just bought the ACT system with the removeable tails...but am waiting to fit it. I want to see volume before I buy the 2nd set of tails.
Alistair H. said:
Byker28i said:
Seriously, do yourself a favour and don't bother. They are very heavy and have low ground clearance. Act do a quiet system which I have on my car with silenced centre pipes, a little extra in the tail pipes and the rear sports boxes. Small, light, 106db at 4500rpm, or 96-98db with the additional trackday silencers on. If you need those, get them to make the tail pipes removable/bolt on and you can swap between trackday additional cans and normal tailpipes with a couple of bolts either side.
Have you decatted? These are a terrible source of heat but do provide 8-10db of noise reduction. There are some silenced non cat pipes you can put in as well.
Byker,Have you decatted? These are a terrible source of heat but do provide 8-10db of noise reduction. There are some silenced non cat pipes you can put in as well.
Is that 106db without cats?
I have just bought the ACT system with the removeable tails...but am waiting to fit it. I want to see volume before I buy the 2nd set of tails.
However the cats got so hot I couldn't stay out long. Lots of full throttle at thruxton.
I have just bought the ACT system with the removeable tails...but am waiting to fit it. I want to see volume before I buy the 2nd set of tails.
Mine looks like:

and there's extra silencing in the tailpipes

Edited by Byker28i on Saturday 23 March 17:55
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