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Muffler Modification

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    #1

    Muffler Modification

    I want to modify the oem muffler...basically im thinking of using 2.5 inch mandrell bent exhaust piping under the car with the casing of the oem muffler and modified oem exhaust tips. Anyone know about opening up the muffler and installing something more efficient? Any ideas or suggestions?
    Tags: None
    #2
    just get a single in, dual out turbo style muffler, paint it black and put the oem tips on it. it will flow much better and still look stock.
    1990 Frost White EX Coupe F23A1 - PART OUT
    01 DC4

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      #3
      Not a fan of those...its gota look stock, im building a low key car...

      Comment

        #4
        Originally posted by abs-lsd View Post
        Not a fan of those...its gota look stock, im building a low key car...
        Cut open the stock muffler, cut everything out, weld muffler back together. (If you don't mind noise.)


        Edit:
        Or weld in a straight pipe connecting the inlet and outlet and pack the muffler with fiberglass, essentially making it into a stock looking glasspack.
        Last edited by JoshM; 03-24-2009, 12:34 PM.

        1999 BMW M3
        2001 Honda CR-V SE RT4WD
        2005 Chevrolet Tahoe Z71
        2015 Suzuki V-Strom 650

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          #5
          Just get a muffler tip on

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            #6
            Originally posted by abs-lsd View Post
            Not a fan of those...its gota look stock, im building a low key car...
            it will look stock. you can't see most of the OEM muffler from behind.
            1990 Frost White EX Coupe F23A1 - PART OUT
            01 DC4

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              #7
              Originally posted by nighthawk View Post
              it will look stock. you can't see most of the OEM muffler from behind.
              i agree... really all you can see is the tips.. unless you get under it and look..

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                #8
                Originally posted by Joshs92ex View Post
                Cut open the stock muffler, cut everything out, weld muffler back together. (If you don't mind noise.)


                Edit:
                Or weld in a straight pipe connecting the inlet and outlet and pack the muffler with fiberglass, essentially making it into a stock looking glasspack.
                Those are the best options.
                Another option is to find a factory muffler from another car with a larger outlet. It won't be CB7-stock, but it'll still be an OEM muffler, not an aftermarket coffee can. The RSX-S muffler has been a popular choice in the past. Maybe something from a turbo car would have a 2.5" inlet and outlet...

                You should look into getting a long resonator or two, whatever you can fit, to reduce the noise. Looking low-key won't help if you're loud!



                Finally, my last thought would be to run the stock muffler with an electronic exhaust cutout. When you want speed, you open the cutout and run a muffler-less 2.5" pipe. When it's closed, you might as well be stock.






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                  #9
                  Hmm the cut out seems to be my best option thanks

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                    #10
                    I also would definately recommend the cut-out option. I wish I had gone this route on my prelude years ago. I hate how loud my exhaust is lol. Plus cut-outs are fairly cheap and easy for an exhaust shop to weld on.

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