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2022 Scat Pack
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Hey, everyone! Love the sound of the stock 6.4, but I have been looking for something to make it a tad louder and add some more defined pops/crackles. I have been doing tons of research on potential upgrades for my 2022 SP and I've essentially decided on the Vibrant 1794 resonator to replace the mid-mufflers, as the deep sound is just what I am looking for and price is not bad at all ($80 each on Amazon). I already have a shop in mind to handle the install that I've been to before and does a great job.

My main hold up is with the idea of messing with the stock exhaust in the first place. Got a Solo Performance Cyclone catback kit (highly recommend!) installed on my previous Challenger GT, which clamped on, no welding needed. Had no issues with it at all, though ended up trading it in for the 392 about a year after the install. These Vibrants would need to be welded in, and I've seen some comments about how the anti-rusting properties of the stainless pipes are removed by the welds and that rust could be an issue down the road on the pipes and the welds themselves. I am looking to keep this car for a very long time so I was just hoping to hear your experience with any potential issues (like rust) in the long term when new mufflers/resonators were welded in. I know it ultimately comes down to preference but just not wanting to sacrifice longevity for better sound. If there is a way to maybe seal or protect the welds at time of install to prevent any leaks/rusting/etc? Appreciate any insight!

Included a pic below of my shop's work welding a pair of Vibrants on another Challenger for reference.

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I’ve heard of some kind of weld sealant available out there but that’s all I know. Welded mine and to do it properly, you should drop the whole exhaust to have access for welding all around. A lot of shops don’t want to mess with it but can never get a good complete weld up near the bottom of the floor.
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2015 SRT Hellcat
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I was just hoping to hear your experience with any potential issues (like rust) in the long term when new mufflers/resonators were welded in. I know it ultimately comes down to preference but just not wanting to sacrifice longevity for better sound. If there is a way to maybe seal or protect the welds at time of install to prevent any leaks/rusting/etc? Appreciate any insight!
Full disclosure, I just Googled rust resistant welding and hit this link. Don't know if it'll help

 

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2016 Dodge Challenger
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650 Posts
The factory exhaust tube is mild steel with a thin layer of alum on the outside to keep it from corroding. (Works for a while) (they rust out from the inside too tho). If your gonna weld in muffs yeah drop it to weld 360° and spray it with some high temp paint after. If you only want corrosion from the inside (there is no cure for that with steel tube) you will need to drop you system every couple years and repaint it. Or build a stainless system and forget about it. Your mid pipes are already 409ss it’s just everything behind them that is steel
 
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