Installed exhaust and can hear whistling from tips at certain RPMs with load

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Old 01-10-2016, 09:34 PM
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Installed exhaust and can hear whistling from tips at certain RPMs with load

Hello!

I recently installed a couple Magnaflow mufflers with some aftermarket tips.

I love how the sound came out but there are certain moments under load that you can hear the tips whistling.

Read online and it says it might be a leak where the tips where soldered to the muffler.

At idle you cannot hear it, its only under heavy acceleration.

Other than a leak could it be the design of the tip causing it to whistle?

Anyone had something similar happen?

Old 01-11-2016, 09:34 AM
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Check for leaks or take it back to the shop and have them check for leaks.
Old 01-11-2016, 09:46 AM
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i was going to watch and try to help but then saw the video was 12 min long so i was like nope haha.

take it back to the shop and see what they say
Old 01-11-2016, 05:05 PM
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Thanks! Planning a visit again on Friday!

Yeah I know its long! Just wanted a couple angles and inside and out. Almost all vids I saw online were a couple outside and not under load or cruising.

Fast forward to 3:50 and you will have a hard pull where it has that loud whistle!
Old 01-24-2016, 01:18 AM
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Just to close out, took back to the Shop, they said the tips design make them sound like that.

Initially had a felling it was that.. doesn't bother me, just wanted to make sure, thanks for the suggestions!
Old 01-24-2016, 06:38 AM
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^I have a friend that has the same tips on a Jeep Grand Cherokee, and he has the whistle as well. He went to the shop that installed them, and they said the same thing.
Old 01-24-2016, 08:58 AM
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Originally Posted by Slpr04UA6
^I have a friend that has the same tips on a Jeep Grand Cherokee, and he has the whistle as well. He went to the shop that installed them, and they said the same thing.
I had sent a message to the seller asking him about it before going to the shop but the seller said he had not had any questions about them whistling..

It must be the split it has right in front of the entrance, probably can take some material off with a dremel and might take care of it if it becomes too annoying..
Old 01-24-2016, 11:05 AM
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A whistle is usually a leak, weld not all the way around, could be wrong pipe and the exhaust pulses are bouncing off of the pipe making that noise...
Old 01-30-2016, 08:01 AM
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Did you tighten the rocknut on your turbowhistle?
Old 02-01-2016, 11:58 PM
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Originally Posted by AckTL05
A whistle is usually a leak, weld not all the way around, could be wrong pipe and the exhaust pulses are bouncing off of the pipe making that noise...
Thats why my first instinct was to take back to the installer but I also checked online and a couple people mention they do have that sound. No biggie!
Old 02-01-2016, 11:59 PM
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Originally Posted by KidZero3
Did you tighten the rocknut on your turbowhistle?
Yes, to recommended manufacturer torque specs!
Old 02-04-2016, 09:14 AM
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that sounds cool though
Old 02-06-2016, 09:37 PM
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Originally Posted by Exadoraso
that sounds cool though
Headed to Daytona last weekend and had a buddy record a rolling vid from another car and it doesn't sound bad..

I can live with it!
Old 02-06-2016, 10:04 PM
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Old 02-08-2016, 12:41 AM
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Originally Posted by EL BAN
Just to close out, took back to the Shop, they said the tips design make them sound like that.

Initially had a felling it was that.. doesn't bother me, just wanted to make sure, thanks for the suggestions!
If you don't smell anything unusually from under the car, it may be just a tip like the shop guy says, but I would double check for leak if I were you.
Old 02-08-2016, 03:22 PM
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Originally Posted by 6spdwrx
If you don't smell anything unusually from under the car, it may be just a tip like the shop guy says, but I would double check for leak if I were you.
Nothing smelling unusual, drove up to Daytona and back and nothing weird. And all the sound concentrates on the tips not under the car kind of like pointing to the tips and not where the mufflers meet the exhaust piping.

Any suggestions on how to check? I had a friend suggest wrapping paper towel around where the leak was suspected, taping it up to maintain in place and run the car in idle a couple minutes.

Any carbon marks on the paper towel would indicate a leak..
Old 02-08-2016, 05:23 PM
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Originally Posted by EL BAN
Nothing smelling unusual, drove up to Daytona and back and nothing weird. And all the sound concentrates on the tips not under the car kind of like pointing to the tips and not where the mufflers meet the exhaust piping.

Any suggestions on how to check? I had a friend suggest wrapping paper towel around where the leak was suspected, taping it up to maintain in place and run the car in idle a couple minutes.

Any carbon marks on the paper towel would indicate a leak..
The shop where you installed your exhaust should have smoke tester. have you heard any sound note from same mufflers on youtube?
Old 02-11-2016, 09:46 PM
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Originally Posted by 6spdwrx
The shop where you installed your exhaust should have smoke tester. have you heard any sound note from same mufflers on youtube?
I believe its from the tips not the mufflers, but I find any vids using those tips on youtube!




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