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Best Exhaust for a 991.2 GT3

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Old 12-06-2018, 12:08 AM
  #766  
porscheflat6
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I have been using BBi for all my Porsche but now I am wanting to try the JCR system.
Old 12-06-2018, 04:18 AM
  #767  
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Originally Posted by mdrums
James at GMG is so so correct here. As someone in the music business I deal with this on a daily basis as musicians here a recorded instrument but in person it can and will sound different. Like James says the recording equipment plays a big part. Id also like to point out also the compression on the internet and what form of speakers you’re listening to the recording on play a huge very huge part.
All very true, its extremely difficult to capture sound regardless of the quality of the recording equipment, especially at higher dB levels. The only thing is, that the sounds coming from the exhaust are even more glorious in person!

Cant wait for owners to start installing and share their own impressions

Originally Posted by porscheflat6
I have been using BBi for all my Porsche but now I am wanting to try the JCR system.
Ready when you are

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Old 12-06-2018, 09:59 AM
  #768  
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Originally Posted by Jimmy-D
In my Manual I do need to shift??
Only after the rev-limiter interferes with your forward momentum.
Old 12-06-2018, 10:03 AM
  #769  
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Pulling the trigger on the JCR system. Here's to waking up the neighborhood!
Old 12-20-2018, 03:54 PM
  #770  
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In process of fitting the JCR Titanium Race system...can’t wait!

Needless to say, this system is going to be GREAT for weight savings...the OEM system is a monster.










Last edited by ad2330; 12-20-2018 at 04:27 PM.
Old 12-20-2018, 05:07 PM
  #771  
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Please tell us your thoughts i want it bad need to gage the level of sound
Old 12-20-2018, 05:31 PM
  #772  
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First startup.....


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Old 12-20-2018, 05:34 PM
  #773  
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We've got a little something cooking

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Old 12-20-2018, 05:50 PM
  #774  
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Oh c'mon John, just spill the beans and tell us what that is.
Old 12-20-2018, 07:35 PM
  #775  
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Just a technical question
considering the Mike picture illustrating the
OEM side muffler (upper one)which when valves are open works as basically a straight pipe from the OEM Cat to the OEM Center muffler

i am wondering what s the sound or performance gain when installing the side delete not valved pipes removing oem side mufflers (except indeed the weight and heat gain) ? It should sound (and drone?)exactly as running OEM side mufflers with valves disconnected aka opened all the time right?

Old 12-20-2018, 07:41 PM
  #776  
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Originally Posted by fxz
Just a technical question
considering the Mike picture illustrating the
OEM side muffler which when valves are open works as basically a straight pipe from the OEM Cat to the OEM Center muffler

i am wondering what s the sound or performance gain when installing the side delete pipes removing oem side mufflers (except indeed the weight snd heat gain) ? It should sound (and drone?)exactly as running OEM side mufflers with valves disconnected all the time right?
Not quite, the factory setup still allows for a good amount of bleed off into the side mufflers before exit even with the valves open. Feel free to hop on into the discussion below, I tried to break it down as best I could.

https://rennlist.com/forums/991-gt3-...explained.html
Old 12-20-2018, 10:25 PM
  #777  
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Originally Posted by Soul Performance
We've got a little something cooking

https://www.youtube.com/watch?v=WgCqLETspaU
Hummm....what have you got here?!?!
Old 12-21-2018, 04:27 AM
  #778  
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Default Oem exh

Originally Posted by Nick
i agree. The OEM exhaust is terrific. Why change the exhaust to make it something it is not? Porsche exhausts are for Porsche’s. They suit the car perfectly.
I can barely hear the oem exh...made to meet noise standards in Europe.... no oem exh sounds better than after market systems.... n the weight !!! Ugggh
Old 12-21-2018, 01:26 PM
  #779  
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Originally Posted by krell
Oh c'mon John, just spill the beans and tell us what that is.
Originally Posted by mdrums

Hummm....what have you got here?!?!
That would spoil the fun! Here's an interior video, though I should have put the windows all the way down haha.


Old 12-21-2018, 08:06 PM
  #780  
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^^^ sound good...would love to hear it in person or know what y'all are doing... ;-)


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