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Stock exhaust manifold rattle

5.0_Tyler

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Has anyone had any issues with the passenger side flex pipe section on the stock manifold rattling? Or the clamp on the driver side exhaust manifold? Both located after the CATs
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BmacIL

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Yes. I had to have mine replaced recently. It was creating a very annoying metallic rattle at idle and certain rpms.
 

draconis123

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I had this problem! But couldn't quite figure out exactly what it was. I hated the rattle so much I got longtubes.
 

Southview

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It was my resonator.
 

Unadilla248

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Mine rattles on cold start and also when I rev it, I've went under car and when I bang on passenger side cat I can hear rattling inside it but not on drivers side, Noise is very annoying.
 

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BmacIL

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Mine rattles on cold start and also when I rev it, I've went under car and when I bang on passenger side cat I can hear rattling inside it but not on drivers side, Noise is very annoying.
Vibrant 2.25", 4" long flex pipe. Shop or anyone competent welding exhaust can do it pretty cheap.
 
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5.0_Tyler

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I had this problem! But couldn't quite figure out exactly what it was. I hated the rattle so much I got longtubes.
I want to do this also but I don’t want to spend the $1500 lol. What did everyone else do to fix the issue? Go to the dealer? Or after market flex pipe?
 

BmacIL

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I want to do this also but I don’t want to spend the $1500 lol. What did everyone else do to fix the issue? Go to the dealer? Or after market flex pipe?
Took it to an exhaust shop with an aftermarket flex pipe in hand. If you're still well within warranty you could try the dealer. I self-diagnosed and confirmed my issue was the flex pipe (pushed on it while the engine was running and the sound went away, also I could see a tear). I'm not sure it's worth the hassle to bring to a dealer though.
 

BmacIL

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What did you end up doing?
 

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5.0_Tyler

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Nothing yet. Debating taking to dealer but also debating welding after market flex pipe in. Looking for more info from others who had his issue
 

BmacIL

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Nothing yet. Debating taking to dealer but also debating welding after market flex pipe in. Looking for more info from others who had his issue
Fwiw I paid $130 including the flex pipe cost to get mine put in. A little on the higher side but you could expect that number to be around $100-140 including the part. Less than 30 minutes of work total.
 
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5.0_Tyler

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Fwiw I paid $130 including the flex pipe cost to get mine put in. A little on the higher side but you could expect that number to be around $100-140 including the part. Less than 30 minutes of work total.
And all rattles are gone? I hear my rattle when i blip the throttle up to about 1500rpm. And under mild acceleration and decel around 2k rpms.
 

BmacIL

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And all rattles are gone? I hear my rattle when i blip the throttle up to about 1500rpm. And under mild acceleration and decel around 2k rpms.
All gone. I had exactly the same issue. Exactly.
 

SidewaysMike

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Mine rattles on cold start and also when I rev it, I've went under car and when I bang on passenger side cat I can hear rattling inside it but not on drivers side, Noise is very annoying.
Same on my 16 GT, rattle from passenger cats when I shook it... gonna try to verify again this weekend it isn't the flex
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