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Yeah those off the shelf ones that you can buy in the shop are not good, they get very hot.
Your best bet is some Porsche specific ones, 102dB is pretty punchy.
It'll be even louder with ITBs, mine with open trumpets, 4-1 manifold, straight pipe with just one silencer was 112dB, with 120dB bangs on overrun....
Did you have to pay to re-book or were they nice about it?
Also, they should test your car any day there's a trackday or event on, you don't have to make an appointment.
NurseHolliday-
one silencer was 112dB
Sweet Jesus, is that as a daily user too?
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Your best bet is some Porsche specific ones, 102dB is pretty punchy.
It's almost silent at cruise, barks a bit on start-up but idle is very quiet - it's only at high RPM that it starts to get a bit shouty. 102Db is quite shouty, I admit.
I've emailed a couple of places about getting Porsche specific ones.
Chak
Dammit
The chap said that baffles were available, but I'd need two, and that they were expensive. I also recalled NH using one and melting his bumper, which put me off.
I'm re-booked onto the 102Db day on Thursday now.