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TBE997
Trainee


Joined: 19 Mar 2017
Posts: 79
Location: London


PostPosted: Sun Sep 10, 2017 4:38 pm    Post subject: Valved Cargraphics Exhaust around London? Reply with quote

hi,

does anyone around London have a cargraphics valved exhaust (ideally with sportscat) and would let me test hear it in person when it's closed?

I am thinking of replacing my tubi as the noise in cold start in an underground parking (below my house) might be a touch too loud for my neighbours given it's not valves.

Thanks
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Porsche 997.1 C2S - http://www.911uk.com/viewtopic.php?t=120466
 
  
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Phil 997
Fuji


Joined: 05 Dec 2015
Posts: 9810
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Sun Sep 10, 2017 6:23 pm    Post subject: Reply with quote

Are you going to porscheworld picnic in the park nr reading or Goodwood charity day or portsmouth OPC show and shine , If so your welcome to test mine its on a 997.2 Cargraphic full race with valvetronics, 200 cell cats/headers, rear muffler delete . Thumb
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TBE997
Trainee


Joined: 19 Mar 2017
Posts: 79
Location: London


PostPosted: Mon Sep 11, 2017 9:29 pm    Post subject: Reply with quote

sounds good! when is the goodwood charity event?


also, on the cargraphics website it says that the exhaust is either open or in auto mode, does it not have a closed mode, regardless of the rpm?

thanks
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Phil 997
Fuji


Joined: 05 Dec 2015
Posts: 9810
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Mon Sep 11, 2017 11:53 pm    Post subject: Reply with quote

TBE997 wrote:
sounds good! when is the goodwood charity event?


also, on the cargraphics website it says that the exhaust is either open or in auto mode, does it not have a closed mode, regardless of the rpm?

thanks


I think the auto mode closes it at lower revs but its not much less at full hoon but quite acceptable for those morning starts to keeps the people living around you happy at under 4k rpm its very noticeable between loud and auto over 4k rmp less easy to differentiate.but IMO still quieter in auto than in loud . See the bit below it says the auto mode is programmable so it would seem you can set it to stay closed until it hits a rpm of your choice , I assume the factory default is 4k rpm which is what mine does .

Our programmable performance flap control system is a
universal product to be fitted to cars that already have a
standard built in system or come completely without.
The performance flap control system includes two remote
controls and works with two operational modes:

OPEN = Flap always open
AUTO = Flap opens and closes in relation to RPM and
throttle position which is individually
programmable

This new innovative performance flap control system is
designed to convert both the CAN-BUS and the analog
RPM signal. This allows not only the use with older car
electronics but also with the latest high tech CAN-BUS
driven car control systems.
An easy installation is guaranteed



Here's the link to the goodwood meet .Sat 7th Oct.

http://911uk.com/viewtopic.php?t=122545
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