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718 GTS 4.0/GT4/GT4RS/Spyder/25th Anniversary Discussions about the 718 version of the GT4RS, GTS 4.0, GT4, Spyder and 25th Anniversary Boxster
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Kline 718 GT4/Spyder exhaust

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Old 03-25-2022, 11:44 AM
  #796  
sonystyle02
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Kline SS catless manifolds/headers FS here -

https://rennlist.com/forums/market/1282049
Old 03-25-2022, 12:07 PM
  #797  
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We have Kline ststems in stock ready to ship or install. Please PM or email eric@supremepower.com for info/ordering

STAINLESS AND INCONEL IN STOCK








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Last edited by SupremePower; 04-01-2022 at 12:56 PM.
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Old 03-25-2022, 02:03 PM
  #798  
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That one on the right doesn't look too bad really....the car, not the exhaust hahaha
Old 03-25-2022, 02:48 PM
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Originally Posted by Alpha Ice
That one on the right doesn't look too bad really....the car, not the exhaust hahaha
Kline for all! Some color for this Friday!













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Old 03-25-2022, 06:08 PM
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Nice shop!
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Old 03-25-2022, 09:38 PM
  #801  
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Originally Posted by UncleDude
Nice shop!
Thank you!
Old 03-29-2022, 09:57 PM
  #802  
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Originally Posted by @skafia
Here's a quick clip of the Kline exhaust. I'm testing some new microphones and the roads were a little bit crowded so I didn't go WOT. Next week I should be able to fine tune the setup for a sweet canyon run.
This exhaust sounds amazing, especially the cracks and pops. Drone is minimal to nonexistent, it really transform the GT4. Thanks again @SupremePower !

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Old 03-29-2022, 11:45 PM
  #803  
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Originally Posted by SupremePower
Originally Posted by @skafia
Here's a quick clip of the Kline exhaust. I'm testing some new microphones and the roads were a little bit crowded so I didn't go WOT. Next week I should be able to fine tune the setup for a sweet canyon run.
This exhaust sounds amazing, especially the cracks and pops. Drone is minimal to nonexistent, it really transform the GT4. Thanks again @SupremePower !

https://www.youtube.com/watch?v=o89hY7iB4LQ
I would say your mic set up is perfect. It sounds great!!! Now let’s just hear that thing go all the way to redline!!!!
Old 03-30-2022, 09:06 AM
  #804  
jimdillard
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Originally Posted by SupremePower
Originally Posted by @skafia
Here's a quick clip of the Kline exhaust. I'm testing some new microphones and the roads were a little bit crowded so I didn't go WOT. Next week I should be able to fine tune the setup for a sweet canyon run.
This exhaust sounds amazing, especially the cracks and pops. Drone is minimal to nonexistent, it really transform the GT4. Thanks again @SupremePower !

https://www.youtube.com/watch?v=o89hY7iB4LQ
Sounds GREAT! This is a Kline Inconel system...but with which specific Kline components...headers, OAP's, backbox, etc.? It'd sure be nice to be able to compare the sound to a Kline SS system to hear the difference.

Last edited by jimdillard; 03-30-2022 at 09:21 AM.
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Old 03-30-2022, 09:53 AM
  #805  
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Originally Posted by jimdillard
Sounds GREAT! This is a Kline Inconel system...but with which specific Kline components...headers, OAP's, backbox, etc.? It'd sure be nice to be able to compare the sound to a Kline SS system to hear the difference.

OEM header, Kline Inconel OAP.
Old 03-30-2022, 10:05 AM
  #806  
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Originally Posted by skafia
OEM header, Kline Inconel OAP.
Which backbox...OEM or Kline?
Old 03-30-2022, 10:46 AM
  #807  
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Here's a quick pull video to compare the stainless system
- Kline catted manifolds
- Kline OAPs
- Kline valvetronic rear

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Old 03-30-2022, 11:34 AM
  #808  
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Originally Posted by sonystyle02
Here's a quick pull video to compare the stainless system
- Kline catted manifolds
- Kline OAPs
- Kline valvetronic rear

https://youtube.com/shorts/CC6V5bCgjIk
Thanks. Sounds excellent! To clarify...is this video the Kline SS or Inconel system?

Last edited by jimdillard; 03-30-2022 at 11:36 AM.
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Old 03-30-2022, 02:03 PM
  #809  
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Originally Posted by jimdillard
Thanks. Sounds excellent! To clarify...is this video the Kline SS or Inconel system?
Jim, with the Kline system, the OAP and back box go together. They are proprietary, You cannot get one without the other. So if it is OEM headers, then is is Kline OAP and back box.
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Old 03-30-2022, 02:09 PM
  #810  
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Originally Posted by flynlo
Jim, with the Kline system, the OAP and back box go together. They are proprietary, You cannot get one without the other. So if it is OEM headers, then is is Kline OAP and back box.
Thank you! Now THAT explains it! My CBA said Porsche NA is allowing them to CPO cars with modified OAP's and backbox, but not modified headers. And they have no warranty coverage concerns with modified OAP/backbox.

Last edited by jimdillard; 03-30-2022 at 02:10 PM.
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