nasty exhaust rattle

beastGT · July 16th, 2008, 10:50 PM

I have the borla stinger axle backs. Ive noticed a bad rattle when im downshifting or even accelerating...like when there is a change in tq and the exhaust moves a little....well it sounds like metal on metal and i konw the tips arent hitting the bumber like i first thought. I had meinke look at it and they didnt find anything but have you guys had any issues like this?

07stanggt · July 16th, 2008, 11:41 PM

where did you get the stingers first? someone beat my price, maybe ill let them answer

messing with you. check and make sure the rear, shit i cant think im so tired. not the hanger but the metal peice goes in the hanger isnt rubbing against the back of your car thats probably it, if not them it is the tip vibrateing against the plastic. even if it does seem that way.

beastGT · July 16th, 2008, 11:49 PM

yeah the tips have a good 1.5" atleast from the top of the bumber and i re adjusted them so they are perfectly center so i dont think thats it...ill check the other piece like you said. Im thinking it might be the actual muffler hitting a piece of the chassis...there only like an inch seperating the two. If so could i just put some rubber lining on the chassis to reduce it?

2006greyGT · July 17th, 2008, 12:14 AM

Do you have cats? mine made a noise as you describe and it was my cat fell apart...

07stanggt · July 17th, 2008, 01:09 AM

I know the tips can look like they have plenty of clearance, but under torque they can move. i have had mine on and off so many times and have to mess with that issue always, plus the hanger arm is so long on the stingers it rubs on the back of the car. i have heard of guys saying they cut it to make it shorter becuase it was rubbing.

stangNV · July 17th, 2008, 01:59 AM

mine had this noise...it makes the noise if you hit a bump to right? its the hanger front the muffler hitting the metal around the rubber hanger holder....if you understood what i just said haha

beastGT · July 17th, 2008, 01:54 PM

hahaha not really...im just gonna look under there agian and try to find a way to stop it...line everythign with rubber and cut the metal rod that goes through the rubber hanger.

beastGT · July 17th, 2008, 01:55 PM

oh...and i sure as hell hope my cat isnt messed up, i doubt it though because it does it from time to time...not all the time

IronStomach · July 17th, 2008, 02:02 PM

There's a metal shield on the transmission that is known to come loose. Mine was rattling something awful on acceleration from 2k-3k rpms. It sounds like sheet metal rattling on metal. I took it in under warranty. The link above has DIY answers.

beastGT · July 17th, 2008, 02:16 PM

ive got that too but the noise im talking about is coming from the rear of the car...def an exhaust issue. that rattling doesnt bother me, it rarely happens and is only at startup

beastGT · July 17th, 2008, 08:45 PM

well looked under the car while it was idle and still heard the rattle...it was def. the hanger arm hitting the bumber. Tommorrow it is coming off and im gonna cut it so that should eliminate the prob. Thanks guys for the help, i woulda never looked for that.

IronStomach · July 17th, 2008, 08:48 PM

Congrats on winning the snipe hunt.

Your prize? Nothing. Errr... I mean silence.

beastGT · July 17th, 2008, 08:54 PM

yeah ill be glad when its gone...takes away from the nice sound of the borlas

beastGT · July 18th, 2008, 02:02 PM

well took it to the shop and had about a half inch cut off that metal rod that goes through the hanger...that thing was rubbin up agianst the bumber to the point you could see where the paint had come off. Now my rattle is gone

garydahl · July 18th, 2008, 02:19 PM

I had the samething on My 07 Stang. It only did it when the car was warm. We found that when the pipes got hot the exhaust would grow! The rods that hung my axle backs would hit the bumper brace

]
Cut the rod and the noise left

July 16th, 2008, 10:50 PM	#1
beastGT Regular Mustang GT Join Date: Jun 2008 Posts: 332 iTrader: 0 reviews	nasty exhaust rattle I have the borla stinger axle backs. Ive noticed a bad rattle when im downshifting or even accelerating...like when there is a change in tq and the exhaust moves a little....well it sounds like metal on metal and i konw the tips arent hitting the bumber like i first thought. I had meinke look at it and they didnt find anything but have you guys had any issues like this?

July 17th, 2008, 12:14 AM	#4
2006greyGT Premium Member 2006 Satin Silver GT 11.08@125.22 Join Date: Aug 2007 Location: KC Posts: 3,073 iTrader: 0 reviews	Do you have cats? mine made a noise as you describe and it was my cat fell apart... __________________ 2.6l KENNE BELL 298 Stroker, Ported heads Pro Motion Built 3650/McLeod RST/ MGW Short Throw Long tube/O/R X /Borla Touring 8 rib/65 lb injectors/GT500 twin fuel ET Drag Slicks/3.73 gear Detroit Truetrac /CDC AGR Spoiler

July 17th, 2008, 02:02 PM	#9
IronStomach Hardcore Enthusiast 2008 Mustang GT Join Date: Nov 2007 Location: West [of] Chicago Posts: 2,471 iTrader: 1 reviews	There's a metal shield on the transmission that is known to come loose. Mine was rattling something awful on acceleration from 2k-3k rpms. It sounds like sheet metal rattling on metal. I took it in under warranty. The link above has DIY answers. __________________ Experience is what you get when you didn't get what you wanted.

July 17th, 2008, 08:48 PM	#12
IronStomach Hardcore Enthusiast 2008 Mustang GT Join Date: Nov 2007 Location: West [of] Chicago Posts: 2,471 iTrader: 1 reviews	Congrats on winning the snipe hunt. Your prize? Nothing. Errr... I mean silence. __________________ Experience is what you get when you didn't get what you wanted.

July 18th, 2008, 02:19 PM	#15
garydahl Blood, Sweat and Gears... Join Date: Mar 2007 Posts: 1,872 iTrader: 0 reviews	I had the samething on My 07 Stang. It only did it when the car was warm. We found that when the pipes got hot the exhaust would grow! The rods that hung my axle backs would hit the bumper brace] Cut the rod and the noise left __________________ Black 2008 Mustang Bullitt, ID#2029 Hot Rod Cams, Hurst shifter, 4.10's & 8.8" AxleGirdle, twin 62mm TB. Kook's LT/H-Pipe, ATAK/Oem mufflers depending on my mood Steeda UDP/CMDP/LCA/UCA, 4"DS. BBR tuned 335 rwhp /330 rwtq SAE corrected

July 16th, 2008, 11:41 PM	#2
07stanggt I Post Entirely Way Too Much 2007 GT Join Date: Mar 2007 Location: Ellicott City, MD Posts: 11,950 iTrader: 1 reviews	where did you get the stingers first? someone beat my price, maybe ill let them answer messing with you. check and make sure the rear, shit i cant think im so tired. not the hanger but the metal peice goes in the hanger isnt rubbing against the back of your car thats probably it, if not them it is the tip vibrateing against the plastic. even if it does seem that way.

July 16th, 2008, 11:49 PM	#3
beastGT Regular Mustang GT Join Date: Jun 2008 Posts: 332 iTrader: 0 reviews	yeah the tips have a good 1.5" atleast from the top of the bumber and i re adjusted them so they are perfectly center so i dont think thats it...ill check the other piece like you said. Im thinking it might be the actual muffler hitting a piece of the chassis...there only like an inch seperating the two. If so could i just put some rubber lining on the chassis to reduce it?

July 17th, 2008, 01:09 AM	#5
07stanggt I Post Entirely Way Too Much 2007 GT Join Date: Mar 2007 Location: Ellicott City, MD Posts: 11,950 iTrader: 1 reviews	I know the tips can look like they have plenty of clearance, but under torque they can move. i have had mine on and off so many times and have to mess with that issue always, plus the hanger arm is so long on the stingers it rubs on the back of the car. i have heard of guys saying they cut it to make it shorter becuase it was rubbing.

July 17th, 2008, 01:59 AM	#6
stangNV Regular 07 Mustang GT Join Date: Mar 2008 Location: Texas Posts: 337 iTrader: 0 reviews	mine had this noise...it makes the noise if you hit a bump to right? its the hanger front the muffler hitting the metal around the rubber hanger holder....if you understood what i just said haha

July 17th, 2008, 01:54 PM	#7
beastGT Regular Mustang GT Join Date: Jun 2008 Posts: 332 iTrader: 0 reviews	hahaha not really...im just gonna look under there agian and try to find a way to stop it...line everythign with rubber and cut the metal rod that goes through the rubber hanger.

July 17th, 2008, 01:55 PM	#8
beastGT Regular Mustang GT Join Date: Jun 2008 Posts: 332 iTrader: 0 reviews	oh...and i sure as hell hope my cat isnt messed up, i doubt it though because it does it from time to time...not all the time

July 17th, 2008, 02:16 PM	#10
beastGT Regular Mustang GT Join Date: Jun 2008 Posts: 332 iTrader: 0 reviews	ive got that too but the noise im talking about is coming from the rear of the car...def an exhaust issue. that rattling doesnt bother me, it rarely happens and is only at startup

July 17th, 2008, 08:45 PM	#11
beastGT Regular Mustang GT Join Date: Jun 2008 Posts: 332 iTrader: 0 reviews	well looked under the car while it was idle and still heard the rattle...it was def. the hanger arm hitting the bumber. Tommorrow it is coming off and im gonna cut it so that should eliminate the prob. Thanks guys for the help, i woulda never looked for that.

July 17th, 2008, 08:54 PM	#13
beastGT Regular Mustang GT Join Date: Jun 2008 Posts: 332 iTrader: 0 reviews	yeah ill be glad when its gone...takes away from the nice sound of the borlas

July 18th, 2008, 02:02 PM	#14
beastGT Regular Mustang GT Join Date: Jun 2008 Posts: 332 iTrader: 0 reviews	well took it to the shop and had about a half inch cut off that metal rod that goes through the hanger...that thing was rubbin up agianst the bumber to the point you could see where the paint had come off. Now my rattle is gone

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