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  • annoying whistle in exhaust

    when i got my new exhaust put on which consisted of:
    2.75 piping
    flowmaster muffler
    bullit muffler
    z 28 tips

    i have an annoying whistle at cetain times at diff rpms!! i assume it is my z 28 tips but is there anything i can do about it??

  • #2
    Woooo Woooooooooo!


    Dunno, maybe slight exhaust leak or something? Is it a high pitch whistle?
    Matt
    1998 Mystic Teal Camaro M5
    Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

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    • #3
      yes but not too loud but enough to be annoying!!!

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      • #4
        i have those tips.. no whistle.
        Dave:
        00 Supercharged Camaro - RIP
        97 Turbo Camaro - Sold

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        • #5
          hmmm great whistle mystery thread, neone else know or have ideas?

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          • #6
            Gotta be a small leak man, I had the z tips to and heard nothing like that.
            2005 Cavalier LS Sport M5<br /> <a href=\"http://members.cardomain.com/firefighter8615\" target=\"_blank\">http://members.cardomain.com/firefighter8615</a>

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            • #7
              You might be hearing your fuel pump.
              1998 M5 3.8 Mystic Teal Camaro<br />Flowmaster exhaust, Pacesetter headers, 3\" cat, 3\" S-pipe, whisper lid, ram air, Spec Stage 1 clutch, Poly Trans mount, Walbro 255LPH. Numerous appearance mods.<br /><br /> <a href=\"http://www.cardomain.com/ride/2130533\" target=\"_blank\">http://www.cardomain.com/ride/2130533</a>

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              • #8
                no its not the fuel pump no way!! it is definitaly the exhaust should i take it back to the exhaust shop!!!

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                • #9
                  Originally posted by Chet Mo and the Camaro:
                  no its not the fuel pump no way!! it is definitaly the exhaust should i take it back to the exhaust shop!!!
                  X2.

                  IDK what the hell my sound is either. I thought it was the fuel pump, but I found if I just deaden the rear trunk area it goes away.

                  So for me it is quiet enough to be muffled.

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                  • #10
                    definitely not from the z28 tips. its gotta be a leak somewhere. take it back and tell them, or let them ride along and hear it.

                    96 V6 A4 Camaro and 99 Z28 A4 Camaro
                    Visit My F-Body Page

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                    • #11
                      I bet its a leak. A pinhole will cause a small whisle like that. Your pushing air out and its going through a small hole its gonna make a whisle sound take it to exhaust shop and have it Welded on there
                      John<br />Flowmaster custom piping, K&N intake and filter, catco high clow cat, stage II clutch, More to come.<br /> <a href=\"http://www.cardomain.com/ride/2036060\" target=\"_blank\">http://www.cardomain.com/ride/2036060</a>

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                      • #12
                        the exhaust shop did it and everything is welded!! this will be interesting because it goes as follows:
                        oem cat-welde-v8 pipinig-welded-bullit muffler-welded-v8piping-welded-muffler-welded- outlets-welded- tips

                        6 spots welded!!!

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                        • #13
                          Put your hand over the muffler(when its cold ovbiously) and listen for hiss.

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                          • #14
                            the muffler itself, what does this cause??? or like as SOON as i start the car?

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                            • #15
                              start your car, go run your hands around the sides of the pipe, and around the connection of the pipes to the muffler. if you can feel air anywhere you have a leak. also check the connections around the cat. just do it everywhere, or look for black (soot), normally signs of a leak.
                              Dave:
                              00 Supercharged Camaro - RIP
                              97 Turbo Camaro - Sold

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