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Best Exhaust for a 991.2 GT3

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Old 12-02-2018, 03:07 AM
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Jamie@dundonmotorsports
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Originally Posted by Jimmy-D
Jaime,

Is that fact that they can detect a tune that is flashed to stock?
Correct and in a multitude of ways depending on how hard they want to look. There is a write counter on the ecu, the factory can compare your hex checksum to the checksum the factory tune should have, etc.

And these are the ways we know they can do it...
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Old 12-02-2018, 03:10 AM
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Originally Posted by mdrums

Finally a aftermath manufacture giving honest not greedy advice....thank you!
Integrity is a key to building a lasting brand...
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Old 12-02-2018, 08:46 AM
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Originally Posted by Jamie@dundonmotorsports


Integrity is a key to building a lasting brand...
damn spell check...meant aftermarket...not aftermath...lol ;-)
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Old 12-02-2018, 12:04 PM
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Originally Posted by Francis Leung
Akarpovics sound beastly compared to the Stock system. I am almost half deaf driving this thing on the streets. Here is a photos and youtube clip for you to see. Cabin noise is way up that you definitely dont need your radios
Definitely have to agree the Akrapovic is an incredible system and its pretty friggin loud! No tune and no CEL. Couple thousand miles now.







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Old 12-02-2018, 01:59 PM
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Originally Posted by Golden Boy



more vids please. Have mine sitting here waiting for my rs to get delivered so i can install this system...Did you do a ecu tune or o2 spacer?

Didn't do ECU tune or need a O2 sensor. They exhaust has now been on the car for almost 3 days with 400 miles driven on them without throwing a CEL. These titanium pipes were ceramic coated as that's my personal preference and sound amazing installed. I will say that the sound level of these pipes are audible from a quarter mile away and I'm actually looking into soundproofing the cabin to drown out a bit of the noise to be honest. I will get more video when I get a chance and upload. If you want to PM me I can give you more info and get you more photos.
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Old 12-02-2018, 04:13 PM
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Sound proof the car? What do you plan to do?
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Old 12-03-2018, 09:19 AM
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Wow...what a thread....so confusing on what to do....LOL

I will track my .2 GT3 3-4 days a year...not a lot compared to my past. I like the idea of the valued side muffler deletes. So while looking at those I see that Dundon, TPC and Soul all look the same with the metal tube flex joint for fitment and less stress on the center muffler joint. But I’m not sure what valves these company use? Prices vary wildly too and I’m not sure if it’s because of the metal alloy might differ between brands...or someone is trying to make higher profit.

Fabspeed has a nice priced side muffler delete too with the same brand of valves Porsche uses but Fabspeed doesn’t use the metal tube flex joint and that worries me about stress fatigue of the center muffler joint.

I will think this over plus wait to see what the Christmas deals look like too.
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Old 12-03-2018, 12:22 PM
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I'd imagine the above race pipe from JCR is pretty loud but guessing its quieter than the similar Akrapovic setup that eliminates all mufflers given it uses a longer length and retains the stock headers and cats.
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Old 12-03-2018, 12:32 PM
  #744  
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Originally Posted by Jon70
I'd imagine the above race pipe from JCR is pretty loud but guessing its quieter than the similar Akrapovic setup that eliminates all mufflers given it uses a longer length and retains the stock headers and cats.
This little old thing?

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Old 12-03-2018, 04:19 PM
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Hey Guys,

As promised I put together not only a release on our GT3 product line, but a nice guideline on making an educated decision between a side muffler and center muffler bypass. Go check out the thread and post any questions you have, I'm always up for an open discussion.

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Old 12-03-2018, 11:13 PM
  #746  
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Originally Posted by JCR-Porsche
This little old thing?

https://youtu.be/rSTFBftrIsU
oh wow...that’s recorded very well...love this sound!!!
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Old 12-05-2018, 05:46 AM
  #747  
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Here's mine, needless to say I'm delighted with the way it sounds.

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Old 12-05-2018, 09:12 AM
  #748  
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^^^
What system are you running?
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Old 12-05-2018, 09:38 AM
  #749  
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Originally Posted by Ducktail
Here's mine, needless to say I'm delighted with the way it sounds.
Sounds great!

Question: Your launch at the beginning of video hazed the tires in 1st gear quite nicely- did you have TC on or off?
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Old 12-05-2018, 10:30 AM
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Originally Posted by 1Gunner
Sounds great!

Question: Your launch at the beginning of video hazed the tires in 1st gear quite nicely- did you have TC on or off?
That's TC and ESP fully off. No launch control (as I don't know how it works tbh).
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