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OEM Starla rear muffler cackles 200

posted by  lhealey on  Fri Jun 28 13:01 CST 2013
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last visit: Thu Jul 25 14:29 CST 2013
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I've been planning on hanging an OEM rear muffler on my 245 for the past two years ever since I needed an emergency muffler change when I was on the road.

Well the emergency fix finally rusted through (ha.. 2 years)

Whoever owned the car before me had deleted the front resonator muffler so it's just straight pipe in the center of the car.. Some of Midas' finest work.

I hung and hooked up my Starla last night using 2" flex pipe just to see how it'd work. And the thing cackles something fierce when the car is cold and I take off in 1st and 2nd gear. And it sounds rather 'import racer' when warmed up.

So I take it that front resonator does most of the silencing work and it's required in order to quiet the rear muffler down?

I'm just checking. I'm planning on buying the front muffler if the car needs it so I can have my exhaust shop put them both on correctly at the same time.

Or are the Starla replacement mufflers just known to do this?

Thanks!








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    OEM Starla rear muffler cackles 200

    posted by  lhealey on  Sat Jun 29 18:14 CST 2013
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    last visit: Thu Jul 25 14:29 CST 2013
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    Here's a video I made of the exhaust sounds.

    It's a leak free system, but at the moment until I get to the exhaust shop, I have a 3" piece of flex pipe connecting the inlet side to the existing exhaust pipe. That exhaust pipe is wrong and needs to be adjusted for a better fitment because it was hooked to a non OEM muffler before this.

    The outlet side is also flex pipe to make the exhaust tip and divert heated air out from under the bumper.

    It's embarrassing to have the car sound like this because high school kids feel like I want to race them.

    http://www.youtube.com/watch?v=BpMEqPf-g8I

    click here to watch








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      OEM Starla rear muffler cackles 200

      posted by  lhealey on  Mon Jul 1 10:50 CST 2013
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      last visit: Thu Jul 25 14:29 CST 2013
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      You guys are quiet ;)

      I just ebayed the other three pieces of the exhaust from behind the catalytic converter pipe. The front muffler, the axle pipe and the tail pipe. I should have a quiet car in a week or so. She looks too OEM to sound like a Scion TC with a 16 year old owner.







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        OEM Starla rear muffler cackles 200

        posted by  scorron on  Mon Jul 1 13:39 CST 2013
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        last visit: Tue Oct 7 21:10 CST 2014
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        Yeah, somethin' weren't right there. Kinda sounded like an exhaust hole before the muffler to me, but could just be a bad muffler, or strange harmonics from that "tailpipe."

        I have heard plenty of 240s with straight pipes to the rear muffler, and none have sounded like that.








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          OEM Starla rear muffler cackles 200

          posted by  lhealey on  Mon Jul 1 15:54 CST 2013
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          last visit: Thu Jul 25 14:29 CST 2013
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          The only air leak would be at the inlet side of the muffler with the flex pipe. I purposely left the clamp loose-ish so as not to destroy it when the correct parts arrive.

          I'll report back if the other items in combination solve the problem or if someone one ebay is selling bum Starla parts at low cost to get rid of them.







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            OEM Starla rear muffler cackles 200

            posted by  someone claiming to be experiencing some cackles on  Tue Jul 9 12:04 CST 2013 [RELATED]

            Which Starla part number did you use?
            My 235-939 does this a little bit, though less than your video shows.
            Is your motor/cam stock?
            Also note that the double L-bend tailpipe adds a lot of effective length beyond the muffler. Your part may perform differently with the "rest of the system" attached behind it.







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              OEM Starla rear muffler cackles 200

              posted by  lhealey on  Tue Jul 9 12:46 CST 2013
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              last visit: Thu Jul 25 14:29 CST 2013
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              I'm not sure which part I got. Just something from ebay that claimed to fit all 240 Volvos (non-turbo)

              My engine is stock.

              I bought the front silencer, the pipe that connects it to the rear muffler, and the pig tail pipe.

              Hopefully it'll all be here soon and I'll be back to sounding normal.








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    OEM Starla rear muffler cackles 200

    posted by  james_a_sousa on  Fri Jun 28 20:10 CST 2013
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    last visit: Thu Oct 23 18:51 CST 2014
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    In kinder days I did some experiments with exhaust systems.

    How about a MG 1100 with nothing but a 3-1/2" flex pipe from a short manifold pipe to the rear of the car? Actually sounded great - not really noisy.

    On my '56 Ford with dual exhausts, I added 1' extensions to the system and cut off one inch at a time. I found one length that blatted (cackled?) seriously whenever I let off the gas.

    Is your current system the same diameter and length as the stock system?

    Changes can make funny sounds.








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    OEM Starla rear muffler cackles 200

    posted by  scorron on  Fri Jun 28 13:28 CST 2013
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    last visit: Tue Oct 7 21:10 CST 2014
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    Never noticed the sounds that you describe, and I have had many different makes and configurations of exhaust. I suspect you have a leak instead, but maybe you have a rear muffler with broken welds rattling around?








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      OEM Starla rear muffler cackles 200

      posted by  TONY H on  Sat Jun 29 16:02 CST 2013
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      last visit: Fri Oct 17 16:39 CST 2014
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      I'm with you Sean, I think the baffles in the new exhaust are missing some welds. Maybe the back pressure without the resonator are too much for the rear muffler.
      --
      '75 Jeep CJ5 345Hp ChevyPwrd, two motorcycles, '85 Pickup: The '89 Volvo is the newest vehicle I own. it wasn't Volvos safety , it was Longevity that sold me http://home.lyse.net/brox/TonyPage4.html http://cleanflametrap.com/tony/







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