Stainless Works headers and AWE track exhaust...adding mufflers?

Discussion in 'V8 5.0L Engine / Mods: Bolt-ons, Exhaust, Tuning' started by NatJoo, Jun 23, 2019.

  1. NatJoo

    NatJoo Active Member

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    Looking to replace the cat back or possibly quiet it down. Sounds good but overall volume is just too much. Don’t really want to start hacking it up unless I know its going to make a difference as the cat back only has about 500 miles on it and will lose its value if it’s modified. If I keep it I will have to do something in the area it mates to the headers as it necks down to 2.25" for the factory fit. Thinking that area and the test pipes in the header area could be candidates for bullet mufflers or resonators. Im not much of a welder, so if I could keep most of it a slip fit would be ideal at least for mock up. Looks like dynomax bullets and race bullets and vibrant resonators seem to be what most people have added. Anyone done something with the stainless works sp headers in the area I’m talking about? It’s the spot where the cats would be in the catted system. Mine are the cat-less. Thank you!
     
  2. DuRsT

    DuRsT Well-Known Member

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    Why are you worried about the cat-back maintaining its value? Are you planning on selling it?
     
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    NatJoo

    NatJoo Active Member

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    Yes if it can’t be made quieter...didn’t want to hack it up too much and then decide to still do something different. Think I’m going to try adding 2 pairs of the dynomax race bullets.
     
  4. BmacIL

    BmacIL Enginerd

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    Why don't you just add the touring axleback?
     
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  5. Zelek

    Zelek Well-Known Member

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    I'll sell you my Corsa Sport with Vibrant 1794's in about a month, lol.
     
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    NatJoo

    NatJoo Active Member

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    Might go that route if this doesn't work well. Really want to keep an h pipe and black tips.
     
  7. DuRsT

    DuRsT Well-Known Member

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    Seems like the most logical way to go about it.
     
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    NatJoo

    NatJoo Active Member

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    These bullets are only $18 each...with nice clamps I'm a little over $100 if it works. I think I will add them and if it's still too much remove them and put the stock test pipes do the touring conversion. Will still most likely keep them in the area where I will cut out the 3" to 2.25" neck down. I believe I can cut the transition out and use these to span the gap.
     
  9. morgande

    morgande Well-Known Member

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    Can you post a sound clip? I’ve got the AWE track as well and I’m curious how it sounds with headers.
     
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    NatJoo

    NatJoo Active Member

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    Should be able to get something tonight or tomorrow. Startup is painfully loud. Sounds good but loud otherwise. Fairly loud crack/pop between each shift that is moderately aggressive or above.
     
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    NatJoo

    NatJoo Active Member

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    Found a video. This was a purposeful slow rev. Think a 2nd gear 2500-5000 rev Alex at Lund requested in a datalog.
     
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