Header question

Discussion in 'Performance' started by Ram396, Jul 13, 2018.

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  1. Ram396

    Ram396 TYF Newbie

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    Looking to get some of The Speed Engineering long tube headers and y pipe and was wondering if there was enough room to put some high flow cats in? Some pics would be great if you've done it.
     
  2. Tonyrodz

    Tonyrodz Full Access Member

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    I had some long tubes installed in my 03 with their offroad Y. My guy said there was no room to install cats.
     
  3. ivin74

    ivin74 05 Yukon Denali

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    I had room, I used the Random technology C6 high flow catalic converters but had to get them welded. When I have time i'll take some pictures

    Screenshot_2018-07-13-20-01-47-1.png
     
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  4. sumo

    sumo dn ʇǝƃ ʇuɐɔ & llǝɟ ı

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    I installed american racing headers 1 7/8 and used their cats. As you can see they fit, but hey have to be rather small. Usually high flow cats run on the larger size.

    2627EF04-35ED-4DA9-BD52-4AE71E9E4FCD.jpeg FAAF6D05-8C5A-4AF8-8387-3E9636150703.jpeg 36C33631-8DBB-4FC9-B5A1-D2156217BE33.jpeg D997D580-129F-4B8F-B315-24AA48684869.jpeg F8B49946-D0F7-4E7E-98A1-D8F5C1B4AE26.jpeg
     
  5. 992dr

    992dr Full Access Member

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    Good question. I've been wondering this for some time myself.

    I'm going to be using Magnaflow high flow cats for my install. They started out as 2.5" but I turned them down to 3" to make them as small and compact as possible.



    Ivan, looking forward to seeing yours.

    Tony, looks great man. Must sound killer

    modified cat.JPG
     
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  6. Ram396

    Ram396 TYF Newbie

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    yeah I'd love to see some pics
     
  7. ivin74

    ivin74 05 Yukon Denali

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    The driver side cat is located before the transmission mount and the passenger cat is after the transmission mount.

    #2.JPG #3.JPG
     
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