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challenge exhaust installed

Discussion in '348/355' started by Dr.T348, Apr 17, 2008.

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  1. Dr.T348

    Dr.T348 Formula 3

    Jan 8, 2004
    1,599
    Chicago NW Burbs
    Full Name:
    Richard T.
    #1 Dr.T348, Apr 17, 2008
    Last edited by a moderator: Sep 7, 2017
  2. vvassallo

    vvassallo F1 Veteran

    Aug 4, 2006
    8,328
    Palos Verdes
    Full Name:
    Vince V
    #2 vvassallo, Apr 17, 2008
    That is just so cool! You just dropped about 50 lbs of junk back there. Let's see, I measured the exhaust system lately. The stock SS and Spider system (single can) with brackets and cats is 55 lbs. Add 35 lbs for the extra can on the earlier exhaust. Those stock cats are really heavy at about 11 lbs apiece. Newer more efficient (metallic core) ones weigh about half that. Can't tell what you're running back there, if anything at all. ;) Nothing adds Hp better than less weight.
     
  3. modena2904

    modena2904 Formula Junior
    Owner

    Jul 6, 2007
    917
    Ellicott City, MD
    Full Name:
    Eric
    #3 modena2904, Apr 17, 2008
    Dr.T, I remember when you bought that exhaust last year -- I'm pretty sure you bought it from the previous owner of my car. When I bought my car, he also had a Tubi and I opted for that -- part of our deal was he got to keep/sell the challenge exhaust. I never heard the challenge exhaust in person, but I know that the previous owner of my car used to carry disposable earplugs in the ashtray compartment -- I think I still a couple of sets of them in there, LOL.

    Enjoy it in good health!

    - Eric
     
  4. Dr.T348

    Dr.T348 Formula 3

    Jan 8, 2004
    1,599
    Chicago NW Burbs
    Full Name:
    Richard T.
    #4 Dr.T348, Apr 17, 2008
    [/I]

    I bought it from Davehelms. It's really not so bad inside the car untill it gets to about 5000 rpm's. May need to keep a set of earplugs in the astray. It's great!!
     
  5. Dr.T348

    Dr.T348 Formula 3

    Jan 8, 2004
    1,599
    Chicago NW Burbs
    Full Name:
    Richard T.
    #5 Dr.T348, Apr 17, 2008
    Bypass pipes! Old muffler was single can.

    I wanted to dyno before and after, but got anxious and couldn't wait. I will definitely dyno after with challenge exhaust and bypass pipes. Will post results.
     
  6. J. Salmon

    J. Salmon F1 Rookie
    Owner Rossa Subscribed

    Aug 27, 2005
    4,367
    VA
    #6 J. Salmon, Apr 17, 2008
    Awesome! BTW, are you sure the entire unit is not tilted down? It looks from the picture like the entire thing could be twisted clockwise and it would fit perfectly. You will have to take it all loose all the way up to the headers (I think, though I have not worked on a 348).
     
  7. modena2904

    modena2904 Formula Junior
    Owner

    Jul 6, 2007
    917
    Ellicott City, MD
    Full Name:
    Eric
    #7 modena2904, Apr 17, 2008
    Oops, not the same one then. In any event, I'm sure you'll enjoy it.

    - Eric
     

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