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GT4
Nordschleife
Nordschleife


Joined: 08 Nov 2008
Posts: 30178
Location: Hertfordshire and Hampshire


PostPosted: Wed Jan 11, 2012 9:02 pm    Post subject: Reply with quote

We're the modded mufflers 3.4 or 3.6 design?
 
  
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TwinT
Spa-Francorchamps


Joined: 11 Mar 2008
Posts: 322
Location: Surrey


PostPosted: Wed Jan 11, 2012 9:06 pm    Post subject: Reply with quote

GT4 wrote:
We're the modded mufflers 3.4 or 3.6 design?


they were 3.6 from a 2004 C4s.

Sounded nice but not anywhere as loud or as nice as PSE.
 
  
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GT4
Nordschleife
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PostPosted: Wed Jan 11, 2012 9:48 pm    Post subject: Reply with quote

Perhaps the internals had gone Dont know

(the bypass methlod and muffler internals don't differ to the respective PSE versions)
 
  
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HoocH
Trainee


Joined: 14 Nov 2011
Posts: 56



PostPosted: Sat Jan 14, 2012 9:14 am    Post subject: Reply with quote

Ive justed fitted a bmc panel filter, 997 airbox (removed ) and sfs silcone intake hose with not much difference in noise.

Im not hugely fussed but expected a noticably difference in sound

Any idea why?
 
  
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GT4
Nordschleife
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PostPosted: Sat Jan 14, 2012 3:29 pm    Post subject: Reply with quote

Do you have Bose?
 
  
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GT4
Nordschleife
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PostPosted: Wed Aug 01, 2012 10:01 pm    Post subject: Reply with quote



The GT3 muffler internal stages are bypassed.

 
  
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jsm
Monza


Joined: 21 Apr 2012
Posts: 171
Location: Poole, Dorset


PostPosted: Thu Aug 16, 2012 1:26 pm    Post subject: Reply with quote

I drove a C4S this morning with a switchable sports exhaust and the sound was superb.

The C4 I am hoping to buy doesnt have a PSE but if I did this mod how close does it get to the real thing?

50%, 75% of the real noise?
_________________
Previous: 996.1 Carrera 4 Coupe Manual, Arctic Silver with Black, 0.75" Bypass
Previous: 986 Boxster S Manual, Basalt Black with Black, PSE
 
  
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GT4
Nordschleife
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PostPosted: Tue Aug 28, 2012 12:52 pm    Post subject: Reply with quote

Read the pipework design bit again: 100%.
 
  
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preey
Newbie


Joined: 28 Sep 2012
Posts: 16



PostPosted: Sun Oct 21, 2012 5:04 pm    Post subject: Re: Oettle, Fister, Gundo ... and the PSE diode cut Reply with quote

What is a bypass?

Ok all this is new to me i have gone back to a petrol car after years of dirty diesels Very Happy with the odd few toys in-between
now ive got a 911/996 c4s with a sports pipe on so i was told when i got it if you want it loud you press a button on the dash its loud but not mega loud would it be wise to have the mod done or whats more can it be done on the sports pipes ?

i would be going to have it done @ http://www.zorstec.com/ thats if they do it ?

one good thing as come from this is it looks like they will make me a pipe to go under the rear seat of my superduke R so thanks for the links Very Happy

ive also read the post on the airbox mod that sound like a must do mod Laughing

 
  
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Ducky
Hockenheim


Joined: 18 Mar 2008
Posts: 657



PostPosted: Sun Apr 14, 2013 9:02 pm    Post subject: Reply with quote

Can anyone confirm if the diode mod is possible on a 997? I've read on PissHeads, that the 997 doesn't use a relay to control the PSE like on the 996?

Like to double check before I go ripping relays out! Laughing
 
  
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GT4
Nordschleife
Nordschleife


Joined: 08 Nov 2008
Posts: 30178
Location: Hertfordshire and Hampshire


PostPosted: Sun Apr 14, 2013 10:51 pm    Post subject: Reply with quote

Correct (no diode)

The DME controls PSE directly.

The 997 appropriate "brown plug" mod is discussed in this thread.

Go back a page.
 
  
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Ducky
Hockenheim


Joined: 18 Mar 2008
Posts: 657



PostPosted: Mon Apr 15, 2013 1:03 am    Post subject: Reply with quote

Thanks for confirming that GT, but I wanted to keep it switchable.
 
  
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GT4
Nordschleife
Nordschleife


Joined: 08 Nov 2008
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Location: Hertfordshire and Hampshire


PostPosted: Mon Apr 15, 2013 8:50 am    Post subject: Reply with quote

Sorry, no can do (unless you get a Carnewall etc remote switcher uint - or make your own - to piggy-back the brown plug interface)

Only 996 diode mod works like that.
 
  
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Plumb
Silverstone


Joined: 31 Dec 2012
Posts: 137
Location: Oxon


PostPosted: Sun Apr 28, 2013 8:44 pm    Post subject: Reply with quote

Is a 3.6 gen.1 997 exhaust silencer the same as a 3.8 gen.1 silencer ???
 
  
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GT4
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PostPosted: Sun Apr 28, 2013 9:09 pm    Post subject: Reply with quote

No.
 
  
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Plumb
Silverstone


Joined: 31 Dec 2012
Posts: 137
Location: Oxon


PostPosted: Sun Apr 28, 2013 9:23 pm    Post subject: Reply with quote

GT4 wrote:
No.


Thanks

I ask because there is a pair on ebay cheap that says it's from a 3.8 997 but has the exhaust tips from a 3.6 pictured on them, sounded to me like they didn't know which car it came from.

What do you think
http://www.ebay.co.uk/itm/181130923996?ssPageName=STRK:MEBIDX:IT&_trksid=p3984.m1426.l2649
 
  
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GT4
Nordschleife
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Posts: 30178
Location: Hertfordshire and Hampshire


PostPosted: Sun Apr 28, 2013 10:45 pm    Post subject: Reply with quote

997.1 3.6/3.8 exhaust tips are not interchangeable (excluding non-OEM mods)

I suggest requesting the part numbers settle it.
 
  
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Plumb
Silverstone


Joined: 31 Dec 2012
Posts: 137
Location: Oxon


PostPosted: Mon Apr 29, 2013 9:31 pm    Post subject: Reply with quote

GT4 wrote:
997.1 3.6/3.8 exhaust tips are not interchangeable (excluding non-OEM mods)

I suggest requesting the part numbers settle it.


This is the part number I was given and the message.

They are: 997 111.152.00 ///// 04.06 these are from a 997 3.8S Porsche. these are the original exhausts from the vehicle. My Dad upgraded to sports exhausts therefore these are very low millage
 
  
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GT4
Nordschleife
Nordschleife


Joined: 08 Nov 2008
Posts: 30178
Location: Hertfordshire and Hampshire


PostPosted: Mon Apr 29, 2013 10:03 pm    Post subject: Reply with quote

Are they slightly retarded?

That part number is for the exhaust tips (the giveaway being they are stamped on the exhaust tips!).

At least we now know they are definitely 3.6 exhaust tips.

If you can be bothered: ask them for the actual muffler part numbers, but my guess is they will be 3.6 anyway.
 
  
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Plumb
Silverstone


Joined: 31 Dec 2012
Posts: 137
Location: Oxon


PostPosted: Mon Apr 29, 2013 10:33 pm    Post subject: Reply with quote

I spoke to the seller earlier, he said all C2S 3.8 came with the same tail pipes as the 3.6 and the twin round ones were a sport option tail pipe, he even argued it when I said he was wrong.
 
  
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