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Thread: Mufflers for street use

  1. #1

    Mufflers for street use

    I have a quite problem, I have a 63 Nova w/540 2-1/4 headers. I'm running the outlaw race mufflers on it now and it is too loud (103dB at 50' on idle). I'm asking what everyone run's on the the street, when needed I can remove the exahust at the track. I got the car running and took it around the block and later that night the cops were on my street looking for me. With the car being so loud it is hard to enjoy, need to get some real mufflers on it so I can drive it. Thanks for any help with this.

  2. #2
    Senior Member MASTER BUILDER
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    jjam, i seen that cops were looking for you lol. if you lived were i live they would have just pulled into your driveway lol. any of the turbo mufflers will make it quieter then what you have. i have used flow masters 3 chambers for the street and dynomax turbo mufflers on big motors. i think both come in 3 1/2 no bigger. don't use anything that's streight through or you wont be happy. good luck

  3. #3
    Senior Member EXPERT BUILDER
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    Apr 2004
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    Flowmaster makes a nice 3 chamber, that should quiet it down some. I know a few places make weld on tabs to make removal easy. Do you have room for tailpipes, or just turndowns?

  4. #4
    well I ordered the Dynomax super turbo, I read where these will help keep the cop's from knocking on my door. If I can keep the pedal off the floor. LOL I'll give these a try, I'll let you know the new dB reading after the new install. Should have them on this weekend.

  5. #5
    Senior Member RACING JUNKIE
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    Lenoir City Tennessee
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    i ran 3 inch single chamber flowmasters on my blazer dumped at the rear.sounded good and cops never bothered me.here is the ones i run

  6. #6
    Senior Member MASTER BUILDER
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    I think he would need alittle more with that 540 :lol:
    If your not wearing A BOWTIE
    Your NOT properly dressed


    http://racingjunk.com/profile/1099

  7. #7
    another question witht the turn downs or cut offs. Is it better to run them down facing the ground or out to the side with an angle to the ground? I remember old school and the dumps just pounded the ground, kicking up the dirt/dust.

  8. #8
    Senior Member MASTER BUILDER
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    Face them into one another and slightly down . Doing this will also quiet things down
    If your not wearing A BOWTIE
    Your NOT properly dressed


    http://racingjunk.com/profile/1099

  9. #9
    Member JUNIOR BUILDER
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    Mar 2003
    Location
    Beaverton Ontario Canada
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    Hello
    Someone mentioned not to run straight thru mufflers , as in round ones??
    I have an old vette(street/strip project) that is set up for side exhaust.....I cannot go under the car with my exhaust system
    Am I in big trouble trying to get mufflers? Any reccomendations??
    Tom

  10. #10
    Senior Member MASTER BUILDER
    Join Date
    Mar 2007
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    mich
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    henny that was me. the guy was trying to keep his car quieter and all the streight through mufflers are pretty loud. i have no idea about the vette i hope someone can shine some light on it for you. good luck sounds like your going to have a nice ride


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