Mac Muffler Blowout!!
11-25-2008, 08:09 PM
#1
M.A.D. Motorsports
Thread Starter
Join Date: Jul 2006
Location: Indiana
Posts: 8,014
Mac Muffler Blowout!!
The last couple of days I started to notice a slight exhaust leak on my passenger side and I thought it was the midpipe and flowtube comming loose but NOOOOOO.......
On my way back to work I went around a corner that is a little ruff and heard a metal clunk, ok no big deal my car makes noises all the time. I get it out on the highway and I hear a slight boom and a thud at the same time and then the sound of an open pipe. I said to myself D*** IT what happend this time
. Well here you go.
MAC Produmps, flowtube is welded on out of the box
On my way back to work I went around a corner that is a little ruff and heard a metal clunk, ok no big deal my car makes noises all the time. I get it out on the highway and I hear a slight boom and a thud at the same time and then the sound of an open pipe. I said to myself D*** IT what happend this time
. Well here you go.MAC Produmps, flowtube is welded on out of the box
11-25-2008, 08:34 PM
#5
M.A.D. Motorsports
Thread Starter
Join Date: Jul 2006
Location: Indiana
Posts: 8,014
Nope I am gonna reweld it this weekend. Its an easy fix. I just never expected that to happen. After my next tour to iraq I am buying a set of flows like I originally wanted and probably putting these on my 98. that will be a loud v6 
The weird thing is I never scraped my mufflers on the ground, just the front of the hpipe a couple of times. I wonder what stresses caused it to break apart like it did.
The weird thing is I never scraped my mufflers on the ground, just the front of the hpipe a couple of times. I wonder what stresses caused it to break apart like it did.
11-25-2008, 08:39 PM
#7
M.A.D. Motorsports
Thread Starter
Join Date: Jul 2006
Location: Indiana
Posts: 8,014
I have the hangers at the mufflers and the tail pipe hangers but I am not using the hanger at the crossmember. It would cause it all to hang to low and I didn't feel like shortening the hangers to bring it tighter to the body.
The whole exhaust is only 10 months old. I bought the h pipe and pro dumps after I got back from iraq in jan.
The whole exhaust is only 10 months old. I bought the h pipe and pro dumps after I got back from iraq in jan.
11-25-2008, 09:14 PM
#8
2nd Gear Member
Join Date: Sep 2008
Location: Iowa
Posts: 154
I had a 88 vert that I had that happen to in 1999 with a set of flowmasters. No crossmember hangers on mine either, but it did have turndowns so only 2 hangers. Back then I think the exhaust guy said it was the motor mounts. I replaced the motor and trans mounts and it cracked again. I think it was the right muffler.
Last edited by ratrap1964; 11-25-2008 at 09:16 PM.
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