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07 Escalade, 07 EXT(Stolen),09 EXT
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231 Posts
Discussion Starter · #1 ·
im planning on ordering kooks long tube headers with the catted y-pipe, any1 using them? I have a few concerns.

1) Am going to have any check engine light for blown o2 sensors?
2) Can I run a straight pipe back from the y-pipe or do i need a muffler?
3) What are the pros and cons if i run a single pipe back from the catted y-pipe then split it again for a dual exit exhaust?

FYI- i already purchase the diablo sport predetor and volant CAI
 

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2007 Escalade EXT and 2012 Volt
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365 Posts
I, too am interested in doing the long tube headers from Kooks or Dynatech with the cat y pipe....was thinking of the Borla or Volant Cat back and Volant CAI. I was hoping someone who did this mod could comment on the performance and installation issues. Hope you get some comments.
 

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2012 Escalade, 2014 SRX
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13,367 Posts
Kooks or American Racing Headers (someone left Kooks and started ARH) are the best I have seen, they look much nicer than the Dynatech ones I saw. You will want to use a catback system like Corsa or B&B, if you want it to sound more mellow, this is what I am doing to my 09', Kooks headers and Corsa Touring, with Volant and Preditor
 
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