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  #37  
Old 05-13-2013, 03:23 PM
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Re: SRT Exhaust conversion with Dual In - Dual Out Muffler

UPDATE: I took it to the exhaust shop this morning and decided to just have only the SRT exhaust installed. Eventually I will work on the manifolds and mid pipes but I really wanted to fill in the gap in the rear bumper. I was originally going to have them install a Y pipe right after the mid pipes outlet into the dual inlet SRT exhaust but what we discovered was that one of the inlets on the exhaust simply bends right inside the muffler casing and reconnects to the other inlet forming an internal Y pipe. So to eliminate additional work we simply used the main inlet and capped off the other inlet. There is a mixture chamber inside the muffler that allows the air to exit both outlets in the rear thus performing like a true dual out muffler. Here are some photos of the work.

First step is to cut off the exhaust inlet flanges and reattach one of them to the mid pipe as shown below. You won't need the other one for this part of the conversion . I saved all the flanges for later down the road when I eventually do the SRT mid pipes. They're hard to find so hang on to them.



Next step is to weld 2.5" pipe from the flange to the muffler. Remember that the SRT exhaust piping is 2.75" so the 2.5" will allow the pipe to fit INSIDE the muffler inlet for proper flow. The other inlet is simply welded closed since it won't be used.



Fresh coat of VHT high heat header paint to cover the welds.



The rest of the exhaust uses the original hangers and to ensure proper rear alignment I installed the rear SRT tail pipe hanger, as mentioned in an earlier post, for ease of installation out the rear of the bumper.



Rear tips installed from several angles. I love how the Curt hitch is fully concealed yet accessible above the new 4" tips.





Looking straight down above the tips.



Below is a short video clip of the cold startup while still on the lift. I'll try to post a launch video a bit later. Absolutely no cabin noise or drown. Just the right amount of growl as expected from an OEM exhaust. Enjoy!

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Old 05-13-2013, 05:03 PM
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Re: SRT Exhaust conversion with Dual In - Dual Out Muffler

Looks great !
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  #39  
Old 05-13-2013, 09:01 PM
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Re: SRT Exhaust conversion with Dual In - Dual Out Muffler

Great work man! looks really nice... Any sound clips?
I will be getting my SRT exhaust tomorrow and looking to have it installed by the shop. If you don't mind, what did shop charge you for the install?
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Old 05-14-2013, 09:19 AM
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Re: SRT Exhaust conversion with Dual In - Dual Out Muffler

The last image of it still on the lift is a video clip. Total cost was $265. (3 hours parts and labor) Not the cheapest place in town but they are one of the best shops in Colorado. I'm not sure if I'm completely satisfied with the sound yet. At least I have everything in place should I decide to simply swap mufflers for something a bit more aggressive. We'll see.
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Old 05-14-2013, 08:26 PM
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Re: SRT Exhaust conversion with Dual In - Dual Out Muffler

Thanks!
I think it sounds great. the shop did a good job on installing the exhaust. Enjoy!
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  #42  
Old 04-18-2014, 11:15 PM
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Re: SRT Exhaust conversion with Dual In - Dual Out Muffler

Looks good bro and sounds good! I have successfully done true duals on my 3.7 WK. Made completely new mids for it and im running duals all the way back. Its a prototype setup for now. When I come back to the states im doing a final setup that is also duals w/x-pipe and cats.

Currently my 3.7 has JBA Headers (Im one of maybe a couple of people with them), Custom fabricated mids without cats, 28" glass packs as reso's. and at the rear are a pair of magnaflows. all video's for it are on my build page (links in my sig)

I know you guys are working/ finished it up on the 5.7, but seeing how the 3.7 has a very similar mid pipe to the 5.7 it kinda would apply here...I think. Any you guys should go take a look and let me know what you think. (besides it being a V6 lol)
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