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Old 07-22-2013, 05:23 PM   #1
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Clearance issues. Advice greatly appreciated

Hey all,

Recently I replaced the stock exhaust and suspension on my 2013 Gt. I went with the magnaflow competition catback exhaust and eibach pro system plus. The car looks, sounds, and handles awesome and I am pleased with the results. However, after driving the car around for a week I noticed a clinking sound coming from the rear. This occurs only when driving over significant bumps or on ****ty roads. My buddy and I were able to pinpoint the source and we found out that the exhaust was making contact with the rear axle. Everything is in the optimal position and installed correctly. There really is no where left for us to move stuff around. We thought maybe we should replace the rear springs with something stiffer. Magnaflow suggested dimpling the pipes at the point of contact. Before we do this I wanted to see if anyone had other suggestions.

Thanks
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Old 07-22-2013, 05:30 PM   #2
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I agree with magnaflow,if you move things around your exaust tips might not line up right.
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Old 07-22-2013, 07:05 PM   #3
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Originally Posted by chefron50 View Post
I agree with magnaflow,if you move things around your exaust tips might not line up right.
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Old 07-22-2013, 07:19 PM   #4
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I had same issues with the magnaflow, the only option is to heat up the pipe where it hits and beat it in with a hammer, i know it sounds bad but it solves the problem and it takes literally five minutes to do, or put on the factory over the axle pipes, if you notice they have alot of dents for clearance, mine hit on the vent and on passenger side axle...
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Old 07-22-2013, 07:39 PM   #5
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Thanks guys. I appreciate it. I've also been thinking about adding an x-pipe. Any thoughts?
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Old 07-24-2013, 10:08 PM   #6
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I replaced the resonators so the muffler shop made the rightside slightly smaller so the tips are even and exaust is a bit louder.
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Old 07-25-2013, 10:21 AM   #7
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I have the exact same issue. Exact. So much so that my axle fluid is leaking out because the exhaust hits so hard on the breather. Stiffer shocks really would do the trick. Preferably, Koni Yellows. I've had an exhaust shop re adjust the pipes which was horrible. Had to cut them, reposition the over axle pipes and then head the pipes up right in front of the muffler and bend the pipes so that the mufflers and tip lined up remotely symmetrical.
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