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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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Old 05-17-2023, 11:24 PM
  #1396  
UncleDude
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^ for science!
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Old 05-21-2023, 01:24 PM
  #1397  
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Originally Posted by dnimi123
Find a guy or a guy who knows a guy...
why would it not pass smog if the factory headers / cats are in place?
Old 05-23-2023, 11:43 PM
  #1398  
lovetoturn
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Eric, will Kline have their GT4 RS exhaust in the pipeline anytime soon?
Old 05-24-2023, 03:42 PM
  #1399  
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Originally Posted by lovetoturn
Eric, will Kline have their GT4 RS exhaust in the pipeline anytime soon?
Have a msg out to check on this. I have not hear anything yet on this front....
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Old 05-25-2023, 01:15 AM
  #1400  
lovetoturn
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Thanks Eric.
Old 06-07-2023, 07:03 PM
  #1401  
BoxKing
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Who has the KLINE headers paired up with their KLINE OAP+Rear?
Who has another brand of headers paired with KLINE OAP+Rear?

Thoughts on the above: volume/tone, increased power, possible engine codes…?
Old 06-07-2023, 07:09 PM
  #1402  
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Originally Posted by BoxKing
Who has the KLINE headers paired up with their KLINE OAP+Rear?
Who has another brand of headers paired with KLINE OAP+Rear?

Thoughts on the above: volume/tone, increased power, possible engine codes…?
@dnimi123 has the full Kline.

If you want to get the headers let me know...can get you set up
Old 06-07-2023, 07:52 PM
  #1403  
NiteCrawlr
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Originally Posted by SupremePower
@dnimi123 has the full Kline.

If you want to get the headers let me know...can get you set up
Get the Kline headers. Completes the package. Eliminates any mild drone, improves power, and sounds better in the lower part of the rev band while maintaining the high pitch in the later revs.

There are many replies about the headers through this 100 thread post (including from me) and all are positive!
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Old 06-07-2023, 10:44 PM
  #1404  
mc3456
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Originally Posted by NiteCrawlr
Get the Kline headers. Completes the package. Eliminates any mild drone, improves power, and sounds better in the lower part of the rev band while maintaining the high pitch in the later revs.

There are many replies about the headers through this 100 thread post (including from me) and all are positive!
Have been debating adding the headers to my Kline OAPs and rear section. Haven't seen any good Kline Inconel with headers vs without headers videos lately. May have to add them in a few months. Busy packing/moving right now.
Old 06-09-2023, 01:03 PM
  #1405  
LoodorneGT4
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Originally Posted by NiteCrawlr
Get the Kline headers. Completes the package. Eliminates any mild drone, improves power, and sounds better in the lower part of the rev band while maintaining the high pitch in the later revs.

There are many replies about the headers through this 100 thread post (including from me) and all are positive!
Any Engine light drama down the road?
Old 06-09-2023, 01:29 PM
  #1406  
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Originally Posted by LoodorneGT4
Any Engine light drama down the road?
My check engine light did come on, but that was one more reason to get the tune which I would also recommend anyway
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Old 06-09-2023, 02:11 PM
  #1407  
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Originally Posted by NiteCrawlr
My check engine light did come on, but that was one more reason to get the tune which I would also recommend anyway
So what do you do about emissions?

I was ridin' dirty since 2020 in my ZCP F82 bc I had no cats all the way back, with a Stage 2 Tune. This threw both primary O2 sensors out of "non-readiness" = no state inspection here in PA. I could have jumped through hoops, or found a guy that knows a guy, whos cuzzin ran an offsite shop in international waters, but that kinda nonsense was for when I was 20. Codes might be a deal breaker if they're existent on the KLINE headers... is the potential of this happening consistent on all aftermarket options?
Old 06-09-2023, 02:20 PM
  #1408  
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Originally Posted by BoxKing
So what do you do about emissions?

I was ridin' dirty since 2020 in my ZCP F82 bc I had no cats all the way back, with a Stage 2 Tune. This threw both primary O2 sensors out of "non-readiness" = no state inspection here in PA. I could have jumped through hoops, or found a guy that knows a guy, whos cuzzin ran an offsite shop in international waters, but that kinda nonsense was for when I was 20. Codes might be a deal breaker if they're existent on the KLINE headers... is the potential of this happening consistent on all aftermarket options?
We have sold many Kline header sets w hfc w no CEL reported. They have a microcat in them and it works very well...
We also have the O2 extenders too which help a lot as well in various applications. Cheap fix wout the tune.
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Old 06-09-2023, 04:31 PM
  #1409  
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Well I've joined the Kline club today, just installed my Inconel OAPs and rear section. Will drive this afternoon. 5th aftermarket combination I will have tried on this car! Fingers crossed.
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Old 06-09-2023, 05:22 PM
  #1410  
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Originally Posted by Josh_357
Well I've joined the Kline club today, just installed my Inconel OAPs and rear section. Will drive this afternoon. 5th aftermarket combination I will have tried on this car! Fingers crossed.
what have you tried so far and what didn't you like about them?


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