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Thread: Muffler delete on '75 Edlo?

  1. #1
    Rockhead261 is offline Cadillac Owners Member
    Automobile(s): 1975 Eldorado Convertible
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    Muffler delete on '75 Edlo?

    The cat has already been deleted, and I just found the source of my exhaust leak - muffler seam. I'm thinking I might just get rid of the thing and leave the resonator in place.

    Anyone done this? Too loud? The car is pretty damn quiet right now and I wouldn't mind letting the Caddy big block clear it's throat a bit....


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  3. #2
    Join Date
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    Re: Muffler delete on '75 Edlo?

    Removing anything on the exhaust will make it louder, but that is a matter of presence. Straight pipe all the way back or keep it original is a matter of preference. If your state doesn't require a cat for emission do what you want.

  4. #3
    70eldo's Avatar
    70eldo is offline Cadillac Owners Connoisseur
    Automobile(s): 1970 Eldorado.
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    Re: Muffler delete on '75 Edlo?

    I went with Flowmaster (2 way in/ 2 way out) only (1970 doesn't have cats) and it was too loud for me. So I had it replaced with something more decent!
    See my other thread on the installation result with film.

  5. #4
    Rockhead261 is offline Cadillac Owners Member
    Automobile(s): 1975 Eldorado Convertible
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    Re: Muffler delete on '75 Edlo?

    Quote Originally Posted by 70eldo View Post
    I went with Flowmaster (2 way in/ 2 way out) only (1970 doesn't have cats) and it was too loud for me. So I had it replaced with something more decent!
    See my other thread on the installation result with film.
    Hey, thanks for the reply. My cat is "missing", but I'd leave the resonator in place.

    I searched your posts to no avail - could you direct me to the video of the installation result?

  6. #5
    70eldo's Avatar
    70eldo is offline Cadillac Owners Connoisseur
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    Re: Muffler delete on '75 Edlo?

    Quote Originally Posted by Rockhead261 View Post
    Hey, thanks for the reply. My cat is "missing", but I'd leave the resonator in place.

    I searched your posts to no avail - could you direct me to the video of the installation result?
    Here:
    http://www.cadillacforums.com/forums...rado-pics.html

  7. #6
    65raddycaddy is offline Cadillac Owners Member
    Automobile(s): 1965 SedanDeville
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    Re: Muffler delete on '75 Edlo?

    On my 65 sedandeville I am running dual exhaust with cherry bombs that exit in front of rear tires. I encresead from 2 inch to 2 1/2inch at muffler. To me it sounds great. I can still talk on the interstate with windows down. I know its not the same but thought it would help you a bit.

  8. #7
    Rockhead261 is offline Cadillac Owners Member
    Automobile(s): 1975 Eldorado Convertible
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    Re: Muffler delete on '75 Edlo?

    @70eldo, thanks for that link and the vids... straight pipe is definitely NOT what I'm looking for, but I think I like the sound with that Flowmaster. Might just go out and get a Flowmaster 40 and call it a day.

  9. #8
    70eldo's Avatar
    70eldo is offline Cadillac Owners Connoisseur
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    Re: Muffler delete on '75 Edlo?

    I still have the flowmaster. It is used but still good to go. If you cover up the shipping you can have it.

  10. #9
    Rockhead261 is offline Cadillac Owners Member
    Automobile(s): 1975 Eldorado Convertible
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    Re: Muffler delete on '75 Edlo?

    Quote Originally Posted by 70eldo View Post
    I still have the flowmaster. It is used but still good to go. If you cover up the shipping you can have it.
    I sure appreciate the offer, but I suspect shipping from Germany to NY will exceed what I'd pay for the muffler at Pep Boys.


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