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Thread: Anyone here running Dynomax Ultra-Flo SS?

  1. #1
    Join Date
    Jun 2008
    Location
    44077-3545
    Age
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    5,229

    Anyone here running Dynomax Ultra-Flo SS?

    https://www.summitracing.com/parts/wlk-17282

    Considering these for my Marauder. I have SW headers and will be installing 4" res-delete tips. Don't want the car too terribly loud, so I'm shying away from Super 44s.

    Plus, I like the fact that these are 304 stainless.

    So I'm just wondering if anyone has any sound clips.
    '91 Country Squire | '03 Marauder | '10 P7B
    former Panthers: '02 MGM, '04 MGM, '04 MGM v2.0, '04 MM, '07 P71 w/5-speed, '04 CVLX, '03 SAP P71
    CLICK HERE and have your Marauder's COA info added to the database!!! | 2003 list ||| 2004 list
    Quote Originally Posted by offroadkarter View Post
    Reinhart's tuning skills were comparable to an ape slapping the keyboard in microsoft excel.

  2. #2
    Join Date
    Aug 2020
    Location
    New York
    Age
    56
    Posts
    44
    I am finding it hard to find alot of sound clips on these cars also, I was thinking the Borla XS mufflers for a while, I have used them in the past and are not that loud (everyone's definition of loud is different). I ordered the cat back from SW, So I will see how it sounds when I install, I was just looking for something different originally since a lot of people have the SW
    2003 Marauder Purchased Feb. 2021

  3. #3
    Join Date
    Jun 2008
    Location
    Waukesha, WI
    Posts
    1,163
    If you want to keep it quiet do NOT put 4” delete tips on! I took the 3” stainless works delete tips off and put the stock res tips back on because the SW tips were god awful loud. I can’t even imagine how loud the 4” delete tips are. As far as mufflers I can’t speak of the Ultraflows, but I just put Quietflow SS mufflers on my truck with 3” dual exhaust and it super quiet, even with 3” duals. I love it!
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard

    2004 300A Procharger #0010 D1SC
    2003 300A Procharger #0017 D1SC (SOLD. Last I heard, it was in Washington State)

  4. #4
    Join Date
    Jun 2008
    Location
    44077-3545
    Age
    40
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    5,229
    I had QuietFlow SS on my '04 Marquis. They rotted out very quickly, being only aluminized steel.

    The attraction to the Dynomax is that they're cheap 304 stainless mufflers.
    '91 Country Squire | '03 Marauder | '10 P7B
    former Panthers: '02 MGM, '04 MGM, '04 MGM v2.0, '04 MM, '07 P71 w/5-speed, '04 CVLX, '03 SAP P71
    CLICK HERE and have your Marauder's COA info added to the database!!! | 2003 list ||| 2004 list
    Quote Originally Posted by offroadkarter View Post
    Reinhart's tuning skills were comparable to an ape slapping the keyboard in microsoft excel.

  5. #5
    Join Date
    Mar 2019
    Location
    Pensacola, FL
    Posts
    57
    I have SW headers bolted up to factory exhaust (no cats) and love the sound. Sound clips in my YouTube video link below.
    2004 Black
    Eaton Swapped by MO’s
    Stainless Works long tubes
    4.10 gears
    Lowered ~1.25 inches
    420/425 rear wheel hp/tq

    Exterior/interior/engine walk-around & take offs:
    https://youtu.be/6flRtNaLFJA

  6. #6
    Join Date
    Jun 2008
    Location
    Waukesha, WI
    Posts
    1,163
    Most of the Quietfliwd are aluminized but if you search thru the listings they have some that are stainless, mine are. Either way I agree and get stainless steel mufflers!
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard

    2004 300A Procharger #0010 D1SC
    2003 300A Procharger #0017 D1SC (SOLD. Last I heard, it was in Washington State)

  7. #7
    Join Date
    Apr 2015
    Location
    Maryland
    Posts
    15
    I just took off these exact mufflers that were on my Chevrolet El Camino for 20 years, I will eventually put these on my Marauder. They look as good today as they did when they were put on my other car 20 years ago.

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