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Nik
Imola


Joined: 03 Apr 2007
Posts: 777
Location: Surrey


PostPosted: Sat Mar 18, 2017 11:14 pm    Post subject: Akrapovic exhaust (997.2) ** NOW INSTALLED ** Reply with quote

As per title, just waiting for it to be fitted to my 997.2 C2S.

Just wondering if anyone has had one ? Doesn't seem v common.

Last edited by Nik on Mon Jun 19, 2017 8:50 pm; edited 1 time in total
 
  
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Bikeracer1098
Österreich


Joined: 28 Mar 2015
Posts: 888
Location: Camberley, Surrey


PostPosted: Sat Mar 18, 2017 11:59 pm    Post subject: Reply with quote

Not very common due to price, however fantastic.

I've got full Akrapovic titanium full systems fitted to all my race bikes Thumb
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Norfolk & Idea
Österreich


Joined: 15 Jan 2016
Posts: 939
Location: South Yorkshire


PostPosted: Sun Mar 19, 2017 6:39 am    Post subject: Reply with quote

Yup, Akrapovic top drawer product commanding top drawer price. thumbsup Let us know what you think when it's fitted.
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Alfaian
Hockenheim


Joined: 12 Mar 2014
Posts: 633
Location: S.wales


PostPosted: Sun Mar 19, 2017 11:12 am    Post subject: Reply with quote

Am I right in thinking nearly 10k for the full system Surprised
 
  
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Bodgerben
Trainee


Joined: 02 Jan 2012
Posts: 61
Location: Hants


PostPosted: Sun Mar 19, 2017 12:22 pm    Post subject: Reply with quote

Caroline has a full evolution system on her 9e25, the quality of the manifolds and system is superb.

You don't see many on Porsche's, I've only ever seen other Akro systems on 7 GT3's where I think some we're an option from new.

TBH there are some other fantastic systems about, Kline etc. But you won't regret the Akro.
 
  
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Nik
Imola


Joined: 03 Apr 2007
Posts: 777
Location: Surrey


PostPosted: Sun Mar 19, 2017 12:24 pm    Post subject: Reply with quote

It's the slip-on race system, with wireless control.

Parts (new) are about £6.4k, according to the design911 website.

I'm buying used though, so not quite as much as that. I like the idea of the system being switchable, so I can turn the noise up/down as appropriate. In an ideal world, would have been able to buy a control panel with the PSE switch and use that to control valves (hence keeping it looking OEM).

Akrapovic claim +17hp / +30Nm / -9.9kg but I'm not sure how believable these claims are. I had the full Evo system on my E90 M3 (in fact will be selling it soon!) and it was amazing.

Hoping to get it installed in April and will report back. Thanks for the comments above !
 
  
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Bikeracer1098
Österreich


Joined: 28 Mar 2015
Posts: 888
Location: Camberley, Surrey


PostPosted: Sun Mar 19, 2017 1:08 pm    Post subject: Reply with quote

Nik wrote:
It's the slip-on race system, with wireless control.

Parts (new) are about £6.4k, according to the design911 website.

I'm buying used though, so not quite as much as that. I like the idea of the system being switchable, so I can turn the noise up/down as appropriate. In an ideal world, would have been able to buy a control panel with the PSE switch and use that to control valves (hence keeping it looking OEM).

Akrapovic claim +17hp / +30Nm / -9.9kg but I'm not sure how believable these claims are. I had the full Evo system on my E90 M3 (in fact will be selling it soon!) and it was amazing.

Hoping to get it installed in April and will report back. Thanks for the comments above !


Are you on M3cutters?
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Nik
Imola


Joined: 03 Apr 2007
Posts: 777
Location: Surrey


PostPosted: Sun Mar 19, 2017 5:19 pm    Post subject: Reply with quote

Bikeracer1098 wrote:


Are you on M3cutters?


Yup. Was thinking of posting the e90 Akra system on there.
 
  
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ELA
Suzuka


Joined: 30 Aug 2011
Posts: 1150
Location: Nurburgring Doorstep


PostPosted: Sun Mar 19, 2017 5:56 pm    Post subject: Reply with quote

I think you are in for a treat OP, I have one fitted to my 997.1 and it sounds a bit like this Wink

Open Youtube Page

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1275kg 997GT3RS with:
Kessels 458bhp 3.8l & vgs-MS ECU
Akrapovic titanium exhaust
Cup 9:35 diff, Airbox, PAS, front lip
BBS 19's
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Nik
Imola


Joined: 03 Apr 2007
Posts: 777
Location: Surrey


PostPosted: Sun Mar 19, 2017 6:41 pm    Post subject: Reply with quote

Wow. If my wimpy C2S could sound anywhere near as good as your 997RS I would definitely be in for a treat !! Laughing

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JonnyBaddeley
Monza


Joined: 07 Feb 2017
Posts: 164



PostPosted: Sun Mar 19, 2017 7:28 pm    Post subject: Reply with quote

I had one on my Renault Megane and is was brilliant on that.
 



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JonS
Newbie


Joined: 04 Apr 2015
Posts: 16
Location: Norfolk


PostPosted: Sun Mar 19, 2017 8:54 pm    Post subject: Reply with quote

Nik wrote:
It's the slip-on race system, with wireless control.

Akrapovic claim +17hp / +30Nm / -9.9kg but I'm not sure how believable these claims are. I had the full Evo system on my E90 M3 (in fact will be selling it soon!) and it was amazing.

Hoping to get it installed in April and will report back. Thanks for the comments above !


Ive been toying with one of these for a while especially as I can get one through work, they are undoubtedly one if the not the best systems on the market.
Akrapovic power claims are general accurate but lower than many claim... However its worth nothing that the 17bhp increase is at 3850 RPM, whilst peak to peak power increse 3.2 BHP, that said the increse in at 3850 and the 30NM increse at 3650 will make it pull very well, and the noise they make is simply gorgeous. Im sure you will love it.
 
  
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DucatiRob
Suzuka


Joined: 22 Jul 2015
Posts: 1205
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Sun Mar 19, 2017 10:21 pm    Post subject: Reply with quote

Nik wrote:
It's the slip-on race system, with wireless control.

Parts (new) are about £6.4k, according to the design911 website.

I'm buying used though, so not quite as much as that. I like the idea of the system being switchable, so I can turn the noise up/down as appropriate. In an ideal world, would have been able to buy a control panel with the PSE switch and use that to control valves (hence keeping it looking OEM).

Akrapovic claim +17hp / +30Nm / -9.9kg but I'm not sure how believable these claims are. I had the full Evo system on my E90 M3 (in fact will be selling it soon!) and it was amazing.

Hoping to get it installed in April and will report back. Thanks for the comments above !


Akrapovic are top quality exhausts, I had a full system on my old Ducati, a thing of beauty, stunning fabrication and welding you don't see too often.

No reason why you can't wire it into a standard pse switch, I have done it on my Gen1. Much better than a remote unit.
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Nik
Imola


Joined: 03 Apr 2007
Posts: 777
Location: Surrey


PostPosted: Mon Mar 20, 2017 1:09 am    Post subject: Reply with quote

DucatiRob wrote:

Akrapovic are top quality exhausts, I had a full system on my old Ducati, a thing of beauty, stunning fabrication and welding you don't see too often.

No reason why you can't wire it into a standard pse switch, I have done it on my Gen1. Much better than a remote unit.


Thank you sir! Would love to know how you wired in, if that's ok ? The exhaust is being installed by a well known indie, I found the install instructions on the Akra website, but would be good to know how to wire in for an OE look. Presume I need to buy a new switch panel ?
 
  
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DucatiRob
Suzuka


Joined: 22 Jul 2015
Posts: 1205
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Mon Mar 20, 2017 12:57 pm    Post subject: Reply with quote

Nik wrote:
DucatiRob wrote:

Akrapovic are top quality exhausts, I had a full system on my old Ducati, a thing of beauty, stunning fabrication and welding you don't see too often.

No reason why you can't wire it into a standard pse switch, I have done it on my Gen1. Much better than a remote unit.


Thank you sir! Would love to know how you wired in, if that's ok ? The exhaust is being installed by a well known indie, I found the install instructions on the Akra website, but would be good to know how to wire in for an OE look. Presume I need to buy a new switch panel ?


Nik, here is the link to my post:

http://911uk.com/viewtopic.php?t=116327&highlight=pse+retrofitting

The switch on the Gen2 may be slightly different but should be easy to work out! Also, not sure how the Akrapovic switch works, vacuum?

Let me know if you need any more info, it is easier than it looks in my post!
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Nik
Imola


Joined: 03 Apr 2007
Posts: 777
Location: Surrey


PostPosted: Mon Mar 20, 2017 9:04 pm    Post subject: Reply with quote

Thank you sir!! Much appreciated.

Will take a look when I'm back, away for business at the moment.


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Nik
Imola


Joined: 03 Apr 2007
Posts: 777
Location: Surrey


PostPosted: Mon Jun 19, 2017 8:47 pm    Post subject: Reply with quote

** update **

System installed but there seems to be no difference between the two modes when I switch between the two modes. There is a clicking noise at the muffler when the wireless switch toggles. However no change in sound.

Been back once to get it looked at by the UK Akra dealer who couldn't find a fault. All under warranty but now they want me to go back so they can take a video.

I'm asking if I can take the video myself as it's annoying to keep going back and forth just to illustrate the issue. Frankly it's annoying that Akra won't take their own dealer's word for it. Dont know

Let's see if it gets resolved, and how quickly.
 
  
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Phil 997
Fuji


Joined: 05 Dec 2015
Posts: 9385
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Mon Jun 19, 2017 9:00 pm    Post subject: Reply with quote

Nik if its a vacuum type valvetronic system when this happened to my valved not akro system I found the valves were switching ok heard the clicking on the boxes, but the vacuum was not moving the valves open or closed the fault was further up the vacuum pipe set up there was a T piece with a sort of actuator in it and it was this that had failed , replaced it and it was sorted.
hope that helps mate
see the pics of what it was in mine this may help the techs
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DucatiRob
Suzuka


Joined: 22 Jul 2015
Posts: 1205
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Mon Jun 19, 2017 9:29 pm    Post subject: Reply with quote

As Phil says, if it is vacuum operated and the valves can be moved freely, it is probably the solenoid valve at fault! Like Phil's, mine has also died, so just ordered a replacement!
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Nik
Imola


Joined: 03 Apr 2007
Posts: 777
Location: Surrey


PostPosted: Mon Jun 19, 2017 10:03 pm    Post subject: Reply with quote

Gents - thanks so much for the feedback.

It is indeed vacuum operated. Will take some pics tomorrow.

Sorry for the ignorant questions....
- is there an easy way to test if this is the problem (didn't realise the exhaust would click if the vacuum had failed!) ?
- can I get the replacement parts easily or do I need to contact Akra ?

Thanks so much - am hoping you're right. (Although it should shame the alleged Akra experts who tested it!!)
 
  
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