catted h pipe

  1. CaliGT500524

    Catted Mid Pipe Selection

    Hi all, I am about to up the boost and power on my 2010 GT500 with a ported blower from Stiegemeier with their 2.2 pulley kit installed. Now, I basically have all of the supporting mods already, so its a bolt on type and retune type situation, however in talking with Bob he really recommended...
  2. D

    Kooks LT headers W/Catter H and Roush Axle Back

    I've got Roush axle back on my 2012 GT with the rest of exhaust stock. I've also have 2.3L Ford Racing Whipple on it. Thinking of putting on Kooks LT headers and matching catted H pipe. Wondering how loud it will be though. I've seen some videos of people but they all seemed to have removed the...

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