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 Post subject: Full Kooks system
PostPosted: Tue Mar 07, 2017 6:18 am 
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Joined: Tue Feb 14, 2017 4:43 am
Posts: 24
What kind of performance gains can I expect from a 1 7/8" kooks headers, green catted x pipe and axle back (full kooks system)? Im currently switching to a VCM OTR cold air intake as well as an HPTuners tune (for more power obviously :twisted:).


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 Post subject: Re: Full Kooks system
PostPosted: Tue Mar 07, 2017 2:17 pm 
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Joined: Sat Feb 07, 2015 8:31 pm
Posts: 1327
Location: Pearland, Texas
Probably an additional 25-30 HP, but with the larger headers, you may loose some low-end torque.

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Pearland, Texas
2012 Caprice 9C1
1992 B4C 1LE Camaro
2010 Tahoe PPV (her car)
1995 DGGM Impala SS
1996 BBB Impala SS (11-second DD)
1985 Firebird - 310 LS1 C Prepared autocross car.
And some others
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 Post subject: Re: Full Kooks system
PostPosted: Tue Mar 07, 2017 3:02 pm 
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Joined: Sat Sep 10, 2016 1:04 am
Posts: 67
Location: Old Dominion
I was looking for a Kooks system just yesterday. Called them up and they have part numbers for our cars that cover headers, middle pipes (no/race/green cats), and complete systems. No need to mod a SS/G8 system.


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 Post subject: Re: Full Kooks system
PostPosted: Thu Mar 09, 2017 1:29 am 
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Joined: Fri Aug 12, 2016 12:13 pm
Posts: 185
Location: Tampa, FL
Hzgray wrote:
I was looking for a Kooks system just yesterday. Called them up and they have part numbers for our cars that cover headers, middle pipes (no/race/green cats), and complete systems. No need to mod a SS/G8 system.


This...

https://youtu.be/Q-LNeGGFyOk

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2014 Chevrolet Caprice PPV
2014 Chevrolet Stingray Z51
2016 Cadillac ATS-V
2014 Jeep Grand Cherokee Limited


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 Post subject: Re: Full Kooks system
PostPosted: Thu Mar 09, 2017 3:02 am 
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Joined: Wed Dec 31, 2014 2:58 am
Posts: 393
Location: Texas Hill Country
Silversled wrote:
Hzgray wrote:
I was looking for a Kooks system just yesterday. Called them up and they have part numbers for our cars that cover headers, middle pipes (no/race/green cats), and complete systems. No need to mod a SS/G8 system.


This...

https://youtu.be/Q-LNeGGFyOk


Do they not have this listed on their website? I couldn't find anything for a Caprice there. It would be nice for them to upload that if they are offering it. Do you know if the kooks system could be connected to solo axle backs using the stock flange back there?

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Garner Ames



1975 Pontiac Grand Am L77 - 14.82 @ 92.89
1991 Chevrolet C1500 LO3/5 Speed - Too embarrassing to race!
1994 Chevrolet Caprice 9C1 LT1 - 14.70 @ 93.79
2006 Pontiac GTO LS2 - 13.89 @ 102.85
2014 Chevrolet Caprice 9C1 L77 - 13.60 @ 105.87
SS Roto-Fab CAI, Solo axle backs

2015 Chevrolet Caprice 9C1 L77 (owned by the tax payer in all of us)

Solo axle backs


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 Post subject: Re: Full Kooks system
PostPosted: Thu Mar 09, 2017 4:29 am 
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Joined: Tue Feb 09, 2016 1:09 am
Posts: 32
Location: RGV, Texas
And what was the price they quoted you?


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 Post subject: Re: Full Kooks system
PostPosted: Thu Mar 09, 2017 4:35 am 
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Joined: Tue Feb 14, 2017 4:43 am
Posts: 24
Dtmhat wrote:
And what was the price they quoted you?


Kooks quoted me this(this includes part numbers for everyone else to use for future reference):

25202200 1 3/4" x 3" Stainless Steel Long Tube Header Retail $934.32
25202400 1 7/8" x 3" Stainless Steel Long Tube Header Retail $946.37
25203300 3" x OEM GREEN Catted X-Pipe Retail $1675.93
25203200 3" x OEM Hi Flow Catted X-Pipe Retail $1150.78
25203100 3" x OEM Off Road (No Cats) Catted X-Pipe Retail $1029.49
25206100 OEM Stainless Steel Axle Back Exhaust System Retail $909.84

I'm trying to get in touch with a kooks authorized dealer to see if I can get a deal on LT headers and Green catted X pipes


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 Post subject: Re: Full Kooks system
PostPosted: Thu Mar 09, 2017 6:26 am 
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Joined: Sat Sep 10, 2016 1:04 am
Posts: 67
Location: Old Dominion
The Kooks sales rep actuallly suggested that I go through one of their aftermarket dealers for cheaper price. She mentioned giving Summit Racing the parts numbers for a quote but there are others.


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 Post subject: Re: Full Kooks system
PostPosted: Fri Mar 10, 2017 1:05 am 
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Joined: Fri Aug 12, 2016 12:13 pm
Posts: 185
Location: Tampa, FL
9C1fanatic wrote:
Silversled wrote:
Hzgray wrote:
I was looking for a Kooks system just yesterday. Called them up and they have part numbers for our cars that cover headers, middle pipes (no/race/green cats), and complete systems. No need to mod a SS/G8 system.


This...

https://youtu.be/Q-LNeGGFyOk


Do they not have this listed on their website? I couldn't find anything for a Caprice there. It would be nice for them to upload that if they are offering it. Do you know if the kooks system could be connected to solo axle backs using the stock flange back there?


They do not list it probably because they only sell like 2 of them a year. LOL.

The Caprice mid pipe is essentially a modified Chevy SS unit extending the ends and replacing the European ball joint with a traditional flange.

Searching the inter-webs comes up with this vid (Kooks + Solo)

https://youtu.be/q14-IBLsDkk

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2016 Cadillac ATS-V
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 Post subject: Re: Full Kooks system
PostPosted: Fri Mar 10, 2017 2:33 am 
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Joined: Mon Jan 23, 2017 8:11 pm
Posts: 42
When I ordered my exhaust from kooks last fall they did not sell a kit for the caprice and said they probably wouldn't so I ordered the 09 g8 gt kit with cats and I had to cut and splice in 2 3.5 inch pieces of stainless on to the x pipe and if I was to use the g8 axle back it also needs 3.5 inches added for the exhaust tips to come out to the rear bumper. And you have to get rid of the oil cooler for the g8 1 7/8 long tubes


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