Driveshaft - Dodge Challenger Forum: Challenger & SRT8 Forums
Intake & Exhaust This area is for the discussion of everything related to intake and exhaust, from the air intake/CAI to the tail pipe.

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post #1 of 20 (permalink) Old 05-28-2019, 08:53 PM Thread Starter
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Driveshaft

I put a custom exhaust on my car and I plan on getting an aftermarket like a borla or something performance instead of noise. My muffler was slightly rubbing on my driveshaft so now I’m looking to get a new upgraded driveshaft and performance bolt on exhaust on my 2015 3.6 challenger SXT any suggestions???


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post #2 of 20 (permalink) Old 05-28-2019, 10:51 PM
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I have the Solo Mach XV-CH for almost 12,000 miles. No issues with clearance with stock driveshaft. Pictures taken during install







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2016 SXT Plus Pitch Black Blacktop Package. Eibach Pro lowering springs. Solo cat back exhaust. Paint and wheels coated w/ CQuartz Finest. DLux on all plastic.
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post #3 of 20 (permalink) Old 05-29-2019, 07:47 AM
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If your OEM driveshaft is rubbing your exhaust I don't see how getting an "upgraded" (do you mean 1" piece...if so it will make it worse) driveshaft will help?

On my RT I run a 4" one piece drive shaft and corsa extreme exhaust...I barely have ~3/8"" clearance from the mid mufflers but I get absolutely no rubbing...and that was before installing the diff brace which helps limit driveshaft movement as the pinion side of the diff does not move as much. I had to mess around with the rubber hangers to get the exhaust to droop just right...otherwise I would have had to pound on the mufflers for clearance.

@A Guy ...woah that under carriage is uber clean...do you wax the bottom as well?!


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2015 Challenger RT+ (non-STP)
8lb Magnuson w/ Innovate PSB-1 wideband/boost/shift light gauge
Corsa extreme (2.5")
4" Aluminum one-piece driveshaft
Hellcat bottom airbox
Stainless Works LT headers (2" primaries)
Barton shifter assembly w/ Lou's short shaft and Speed Dawg knob
Comp Cam 7929 & 7748 push rods (gives slightly more lifter preload)
A2speed aluminum coil and valve covers (built in catchcan)

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post #4 of 20 (permalink) Old 05-29-2019, 09:11 AM Thread Starter
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If your OEM driveshaft is rubbing your exhaust I don't see how getting an "upgraded" (do you mean 1" piece...if so it will make it worse) driveshaft will help?



On my RT I run a 4" one piece drive shaft and corsa extreme exhaust...I barely have ~3/8"" clearance from the mid mufflers but I get absolutely no rubbing...and that was before installing the diff brace which helps limit driveshaft movement as the pinion side of the diff does not move as much. I had to mess around with the rubber hangers to get the exhaust to droop just right...otherwise I would have had to pound on the mufflers for clearance.


@A Guy ...woah that under carriage is uber clean...do you wax the bottom as well?!


It’s rubbing because when it was welded and put in my uncle didn’t leave enough clearance for the driveshaft so now it’s rubbing on the muffler and we fixed it temporarily but now it’s to the point where I’m sick of messing with it


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post #5 of 20 (permalink) Old 05-29-2019, 10:04 AM
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It’s rubbing because when it was welded and put in my uncle didn’t leave enough clearance for the driveshaft so now it’s rubbing on the muffler and we fixed it temporarily but now it’s to the point where I’m sick of messing with it


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I would say your only option is to pound on the mufflers until you have enough clearance or heat the pipes so you can bend them away from the driveshaft. You most likely will need to disconnect the system at the mid-pipe connection to give you room...or use an air chisel with a blunt or "soft" tip.


Otherwise you could try to shim the diff but that is way more trouble than it is worth.
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post #6 of 20 (permalink) Old 05-29-2019, 10:05 AM Thread Starter
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I would say your only option is to pound on the mufflers until you have enough clearance or heat the pipes so you can bend them away from the driveshaft. You most likely will need to disconnect the system at the mid-pipe connection to give you room...or use an air chisel with a blunt or "soft" tip.





Otherwise you could try to shim the diff but that is way more trouble than it is worth.


I really want to just get a performance exhaust because theres some minor imperfections on the one me and my uncle fabricated and I’m looking HP wherever I can find it


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post #7 of 20 (permalink) Old 05-29-2019, 10:08 AM
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I really want to just get a performance exhaust because theres some minor imperfections on the one me and my uncle fabricated and I’m looking HP wherever I can find it


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You won't find power from a cat back, you'll only find noise!!!
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post #8 of 20 (permalink) Old 05-29-2019, 10:09 AM
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^^^what he said. Now if you go long tube headers (or even shorties)...that is a different story.
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post #9 of 20 (permalink) Old 05-29-2019, 12:16 PM
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@A Guy ...woah that under carriage is uber clean...do you wax the bottom as well?!
Lol, that was just under 600 miles when I had exhaust installed. Not had that view since. Shiny on top has been my focus, lol

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post #10 of 20 (permalink) Old 05-29-2019, 04:15 PM
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I had almost the same problem. I went to a custom muffler shop and they weld a elbow to both sides and solved my problem.
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