exhaust performance upgrade

[moparfan1967]

Hi all,
I just joined and have a question about selecting custom exhaust. Plan is to get either 2015 or 2016 hellcat by end of month. First thing I want to do is replace the exhaust and manifolds with 3" Amerian racing headers and ARH 2" primary / 3" collector to get a little more HP but, admit, want the cat to growl. Any suggestions from the experts? What I really want is something that gets it closer to the old school sound from early model big blocks with their unique CAM that produced the loud but low, thumpty-thump rumble from, i.e., 440 HP big block from the dodge B-body series.
thanks for the help!
paul

 

[JRabq]

Welcome to the forum Paul! Lots of experts here to help. Good luck acquiring your Hellcat! We love pics once you get it.

 

[Hunter]

Welcome to the site. As stated above lots of experience and information here.
What are your preferences?
Challenger?
Charger?
A8?
M6?

 

[moparfan1967]

real preference would be '70 charger RT 440 Magnum (but would think challenger would be similar).

 

[ACMAVRO]

I had 2016 charger RT and all I did was a mid muffler delete and put a set of flowmaster supper 44's on the back and that was a fn deep sound. Shook the windows in the house when I'd crank it up. I personally like the stock exhaust on hellcat plus now I live in a neighborhood where there would def be some bitchin. Congrats regardless! Be sure to post picks when you get it.

 

[moparfan1967]

I had 2016 charger RT and all I did was a mid muffler delete and put a set of flowmaster supper 44's on the back and that was a fn deep sound. Shook the windows in the house when I'd crank it up. I personally like the stock exhaust on hellcat plus now I live in a neighborhood where there would def be some bitchin. Congrats regardless! Be sure to post picks when you get it.

Ha Ha! Yes, I'll be sure and post pics! Thanks for the advice! Appreciate it!

 

[fubar569]

Factory hellcat with a cat delete is pretty gnarly.

Most people won't want to go thru the expense of headers and full exhaust until WELL into 4 digit land...simply because there's full factory exhaust cars running basement 9's all day erryday.

 

[moparfan1967]

Ha Ha! Yes, I'll be sure and post pics! Thanks for the advice! Appreciate it!

I forgot to ask, when you did the mod you mentioned, did you get any exhaust drone?

 

[ACMAVRO]

Yes there was drone. I had to line the inside of the trunk with that foil insulation to help.

 

[moparfan1967]

Yes there was drone. I had to line the inside of the trunk with that foil insulation to help.

Ok, can you tell me more about the foil insulation: brand name, thickness?, how install, I assume something easy to get from rock auto?

 

[Linda's Hell Cat]

@moparfan1967

I just wanted to give you an FYI
Black Friday sales are already coming out. First probably won't be the Best, but I would watch for savings on items that are wanted.

Linda

 

[ACMAVRO]

They have different widths I think. You can cut it and line your trunk under the carpet paneling. FYI When you have such a loud exhaust it only helps a little bit of noise coming into the cabin.

https://www.lowes.com/pd/Reflectix-...ive-Roll-Insulation-16-in-W-x-25-ft-L/1014123

 

[Hemiride]

I used to own a challenger SRT that I supercharged. And installed headers. Lost approximately 2lbs of boost. I was told that was normal by edelbrock rep.
This was due to the more efficient exhaust. So I got no performance gain by adding headers but the exhaust sounded awesome. I could have added a smaller pulley and had it re tuned. I ended up trading it in on my hellcat. To me it wasn't worth the money I spent on the headers.