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Thread: h-pipe ?

  1. #1

    Join Date
    Feb 2008
    Red Wing, Minnesota, United States

    Default h-pipe ?

    my suburban has factory dual cats so does anyone have an h-pipe, dual mufflers and dual exhaust set up on their truck. would it help at all with hp or tq numbers on a suburban, or not worth it?
    Last edited by vncj96; 04-25-2008 at 11:02 PM.
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual

  2. #2


    Do ya have headers? Do you have stock cats? If the answers are no and yes then adding the H pipe will most likely not help you in the noticable HP and TRQ areas. I would say you need a set of long tube headers and some high flow cats to do any good. I have shorty Pacesetter Headers Magnaflow HFC's and flowmasters on my 00 Sierra. It all sound good, but I did not realize any advantage due to the shorties. I will be feplacing them with LT's SOON. Hope this helps you, and the outher guys may more and better ideas than me. Chris
    Chris S. The GoFastPadre I like to drive fast and I've got the speeding tickets to prove it. 00 Sierra Z71 ECSB K&N CAI Pacesetter Shorties (soon to be replaced with LT's) Magnaflow HFC's Flowmasters with True Duals and H-Pipe more mods to come

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