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Old 05-30-2016, 06:31 PM   #1
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Removing stock axle back

Hey guys. I recently purchased some borla s-types for my 2013 mustang gt. Right now I'm working on removing the stock axle backs but I'm having some trouble. It seems like there is some rust between the over axle pipes and the mufflers. Does anyone have any ideas on how I can get these things off?
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Old 05-30-2016, 06:39 PM   #2
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Are you sure it isn't a piece of weld on the clamp thats holding them together?
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Old 05-30-2016, 06:39 PM   #3
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Removing stock axel back

Got to use some @$$.
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Old 05-30-2016, 06:53 PM   #4
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Are you sure it isn't a piece of weld on the clamp thats holding them together?
I don't believe so. The clamp is clear of the pipes
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Old 05-30-2016, 07:13 PM   #5
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I've never heard about pipe rust as an issue... Are you sure it isn't the rubber where the hangers go? Usually thats the troublesome part which can be resolved by applying a lubricant like wd-40 or pb blaster.
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Old 05-30-2016, 07:33 PM   #6
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I've never heard about pipe rust as an issue... Are you sure it isn't the rubber where the hangers go? Usually thats the troublesome part which can be resolved by applying a lubricant like wd-40 or pb blaster.
I just got the passenger side muffler off with no problem. I don't think the rubber where the hangers go is the issue. I just can't get the oa pipe and the muffle disconnected
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Old 05-30-2016, 08:15 PM   #7
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Just give it a massage with a rubber mallet
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Old 05-30-2016, 08:22 PM   #8
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I would say heat it up with a torch but probably a little close to gas tank.


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Old 05-30-2016, 08:25 PM   #9
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Just give it a massage with a rubber mallet
Tried that too. This thing won't budge!
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Old 05-30-2016, 08:38 PM   #10
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Loosen the OTA at the mid pipe (15 mm) then you can twist the OTA pipe and it should come right off. Also, have you released the hangers on the mufflers yet? If it's still on the hangers then that's what you are really fighting. I recommend un bolting the hanger bracket with the muffler still attached. It's pretty easy. Just 3-4 13 mm bolts. You do that it's going to drop right out.
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Old 05-30-2016, 08:50 PM   #11
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Loosen the OTA at the mid pipe (15 mm) then you can twist the OTA pipe and it should come right off. Also, have you released the hangers on the mufflers yet? If it's still on the hangers then that's what you are really fighting. I recommend un bolting the hanger bracket with the muffler still attached. It's pretty easy. Just 3-4 13 mm bolts. You do that it's going to drop right out.
Yeah the ota pipe is disconnected from the mid pipe. I'm gonna try taking the hanger off next
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Old 05-30-2016, 09:47 PM   #12
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Gas tank is under the rear pass seat so no issue. This is a ball and socket joint, one good whack should free it if some clown hasn't welded it, before you got the car.
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Old 05-31-2016, 12:22 AM   #13
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Gas tank is under the rear pass seat so no issue. This is a ball and socket joint, one good whack should free it if some clown hasn't welded it, before you got the car.
No luck tonight. At this point I'm beginning to think that the pipes have been welded together lol. A friend stopped by a little while ago and neither of us could get this thing off.
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Old 05-31-2016, 12:30 AM   #14
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No luck tonight. At this point I'm beginning to think that the pipes have been welded together lol. A friend stopped by a little while ago and neither of us could get this thing off.
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Old 05-31-2016, 07:01 AM   #15
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You sure you hit it hard enough with the hammer? You are changing them out so dont be affraid to dent the pipe on the muffler. Also you could try a penetrating oil on the joint then whack it again. Are you sure the clamp is not welded to the pipe? I had to Dremel the clamps off the the pipes when I swapped mine out.
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Old 05-31-2016, 07:26 AM   #16
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Easy.....are the mounting bolts undone? Things can be jammed together hard if they aren't. You can usually slide the muffler a bit on the hangers to reach the vertical one near the front of the muffler.
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Old 05-31-2016, 08:52 AM   #17
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You sure you hit it hard enough with the hammer? You are changing them out so dont be affraid to dent the pipe on the muffler. Also you could try a penetrating oil on the joint then whack it again. Are you sure the clamp is not welded to the pipe? I had to Dremel the clamps off the the pipes when I swapped mine out.
We were not gentle by any means. After I took the picture I posted above we pulled the clamp back off of the two pipes. I put some wd40 around the joint last night. I guess I'll see if it's lossened anything up. Are there any other products I can try using before I take this to the shop?
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Old 05-31-2016, 09:12 AM   #18
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PB Blaster...but did you disconnect the hanger bkts from the car as Oxford suggested?

My clamps OEM setup were welded to the mufflers I just worked them back & forth till the weld broke.

Props to Oxford for making me laff with the massage with a rubber hammer line
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Old 05-31-2016, 09:29 AM   #19
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😂

No prob mud.
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Old 05-31-2016, 09:48 AM   #20
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There is something else going on here. There is no ****ing way these joints stay together when the clamp is undone, unless welded by the po. As I said, are the mounting bolts out?
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Old 05-31-2016, 09:55 AM   #21
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There is something else going on here. There is no ****ing way these joints stay together when the clamp is undone, unless welded by the po. As I said, are the mounting bolts out?
The mounting bolts are out. I don't see any weld around the pipes from the last owner but this thing is rock solid. As I said before, I took the passenger side muffler off with no problem. The driver side just doesn't want to move.
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Old 05-31-2016, 09:59 AM   #22
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You sure the clamp isn't stripped and it is actually loosened? These type of joints can't stick hard, that's part of the reason oem uses them .
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Old 05-31-2016, 10:52 AM   #23
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You sure the clamp isn't stripped and it is actually loosened? These type of joints can't stick hard, that's part of the reason oem uses them .
So I'm guessing the wd40 worked! I wacked the muffler a few times and it popped right out. Thanks for all the help guys
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Old 05-31-2016, 11:11 AM   #24
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Did someone put muffler cement or similar in there or, did you just not hit it hard enough?

You really need to loosen the ball clamps all the way. It'll make getting the new mufflers on a lot easier as well.
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Old 05-31-2016, 01:53 PM   #25
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Did someone put muffler cement or similar in there or, did you just not hit it hard enough?

You really need to loosen the ball clamps all the way. It'll make getting the new mufflers on a lot easier as well.
There was just a lot of build up of rust and dirt inside. The clamps were loosened all the way
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Old 05-31-2016, 08:41 PM   #26
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Glad to hear pipes are apart. Next question, how do you like the Borla S sound? My son installed those and really like them!


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Old 06-01-2016, 01:24 AM   #27
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Glad to hear pipes are apart. Next question, how do you like the Borla S sound? My son installed those and really like them!


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I'll have the new Borlas in the next few hours. I'll let you know once I have them on the car. The sound without the mufflers actually isn't bad though haha. I'm sure my neighbors love it too.
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Old 06-04-2016, 09:19 AM   #28
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Glad to hear pipes are apart. Next question, how do you like the Borla S sound? My son installed those and really like them!


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So I've had the Borlas on for a few days now and I love them! It's exactly what the car needed. The sound is loud and pretty deep compared to stock. They sound great from inside the car and even better from the outside. I've already gotten a bunch of compliments on them. It was defiantly worth the money
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