01-27-2019, 09:56 PM
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#1
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Join Date: Nov 2013
Location: Northwest Lower Peninsula, Michigan
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Join Date: Nov 2013
Location: Northwest Lower Peninsula, Michigan
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Gibson Exhaust- Installation Issues
Hi all,
Has anyone here experienced problems installing their Gibson cat-back exhaust system? I thought this would be an easy project, but I spent the entire evening trying to alleviate alignment/rubbing issues. I cut the existing pipe according to the directions and I've tried everything I can think of.
No matter what I do, the tailpipe hits the crossmember, hits the upper control arm, or doesn't fit in the rear hanger.
I'm hoping someone might be able to post pictures of their setup so I can see where my issues are.
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01-28-2019, 09:10 AM
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#2
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Join Date: Nov 2013
Location: Northwest Lower Peninsula, Michigan
Posts: 257
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Member
Join Date: Nov 2013
Location: Northwest Lower Peninsula, Michigan
Posts: 257
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Bump for the morning shift.
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01-28-2019, 02:14 PM
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#3
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,337
Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,337
Real Name: Jerod
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I have not installed one, but
@ Jason B
, a vendor on here, sells the kit so he might have some experience.
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01-28-2019, 03:26 PM
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#4
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Senior Member
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Join Date: Aug 2012
Location: Eastern Ontario Canada
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Senior Member
Join Date: Aug 2012
Location: Eastern Ontario Canada
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Not much help for this scenario but I will say in all the times I've put on a supposedly fitted exhaust system, I have had it fit together properly exactly once (and I still had to tweak it a bit before I installed it but I won't count that as I suspect it was shipping damage.)
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01-28-2019, 04:45 PM
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#5
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Join Date: Nov 2013
Location: Northwest Lower Peninsula, Michigan
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Member
Join Date: Nov 2013
Location: Northwest Lower Peninsula, Michigan
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Quote:
Originally Posted by I_bRAD
Not much help for this scenario but I will say in all the times I've put on a supposedly fitted exhaust system, I have had it fit together properly exactly once (and I still had to tweak it a bit before I installed it but I won't count that as I suspect it was shipping damage.)
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I’ve heard this from some of my buddies too. I was hoping the Gibson would be the exception to that.
I’m still hoping to get pictures of anyone has them!
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01-28-2019, 06:37 PM
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#6
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Junior Member
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Join Date: May 2018
Location: Whittier, Ca
Posts: 18
Real Name: Jacob
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Join Date: May 2018
Location: Whittier, Ca
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I had the same issue when I installed mine. I ended up cutting the stock downpipe a little further back than the instructions state. There is a dampener attached to the stock downpipe with a bracket welded on, I ended up cutting that off and everything slipping into place really easily. I'm gonna take some photos right now. If you have any questions PM and I'll help you out.
Sent from my SM-G955U using Tapatalk
 
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01-28-2019, 07:14 PM
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#7
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Join Date: Nov 2013
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Join Date: Nov 2013
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Quote:
Originally Posted by jth32199
I had the same issue when I installed mine. I ended up cutting the stock downpipe a little further back than the instructions state. There is a dampener attached to the stock downpipe with a bracket welded on, I ended up cutting that off and everything slipping into place really easily. I'm gonna take some photos right now. If you have any questions PM and I'll help you out.
Sent from my SM-G955U using Tapatalk
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Thanks for the reply and pictures. This is definitely helpful. Unfortunately I have a CA emissions truck, so it seems like I have an additional bend in my downpipe and a flange for my CC. I think that’s what makes things not line up.
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01-28-2019, 07:41 PM
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#9
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Junior Member
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Join Date: Oct 2016
Location: Rapid City, SD (Black Hills)
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I didn't have any issues with my install. I got mine 2 years ago but I can't imagine it changed at all.
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01-29-2019, 12:01 AM
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#10
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Junior Member
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Join Date: May 2018
Location: Whittier, Ca
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Real Name: Jacob
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Join Date: May 2018
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Quote:
Originally Posted by aontkos
Thanks for the reply and pictures. This is definitely helpful. Unfortunately I have a CA emissions truck, so it seems like I have an additional bend in my downpipe and a flange for my CC. I think that’s what makes things not line up.
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That's weird, I live in CA and I didn't have any weird bends. Can you send a pic?
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01-29-2019, 02:20 AM
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#11
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Join Date: Feb 2015
Location: SF BA
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Mine rattles around against the frame. It didn't fit together as well as I thought they would. I'm going to crank the clamps as hard as I can, and last step would be to weld it.
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01-29-2019, 03:42 AM
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#12
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Junior Member
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Join Date: May 2018
Location: Whittier, Ca
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Real Name: Jacob
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Quote:
Originally Posted by Mighty Buffalo
Mine rattles around against the frame. It didn't fit together as well as I thought they would. I'm going to crank the clamps as hard as I can, and last step would be to weld it.
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Ok so on the back of the frame, there is a metal loop bolted onto the frame, flip that loop 180 degrees. That eliminated my rattle. I'll take pics in the morning.
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01-30-2019, 08:30 AM
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#13
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Join Date: Nov 2013
Location: Northwest Lower Peninsula, Michigan
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Member
Join Date: Nov 2013
Location: Northwest Lower Peninsula, Michigan
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Thanks for the insight, dudes.
@ sugjavier
‘s post leads me to believe that my muffler is about 2” too far back, which is causing the rubbing. I’m going to take it to the muffler shop this morning since I don’t feel like cutting more of my exhaust apart.
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01-30-2019, 09:36 AM
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#14
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Join Date: Apr 2013
Location: MI, USA
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Quote:
Originally Posted by aontkos
Thanks for the insight, dudes.
@ sugjavier
‘s post leads me to believe that my muffler is about 2” too far back, which is causing the rubbing. I’m going to take it to the muffler shop this morning since I don’t feel like cutting more of my exhaust apart. |
Glad to know my pics was able to help a little bit. If I remember correctly, my mechanic did have to cut by the catalytic converter area and weld in a small pipe which is about the same size
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