Mufflers

[Mrsteef]

Well I ordered this Jones Exhaust Flowpack Muffler JFP300 3.00 Inch Inlet / Outlet https://www.amazon.com/dp/B00NX9DD5E/ref=cm_sw_r_cp_api_VfiZBbN34XPWA

I’m not too savvy with reducers and stuff anyone know what I would need?

 

[992dr]

Are you putting it in place of the stock muffler?
If so, wont you need two reducers? Inlet and outlet?

edit: Sorry, crappy pictures. This is what I'm doing but, this is going to be a full cat back system. I need to make a better reducer to fit the v-band a little tighter. But, you can get the idea of where I'm going. I used 2.5" ss tubing to make the reducers. I'm cutting the factory 2 bolt ball and socket and replacing it with a v-band to make it easily removeable. And I will make the rest in sections if I want to change things around.

 

[Mrsteef]

Yeah just changing out the muffler. Reducer on the inlet and outlet

 

[992dr]

Easy enough. Any exhaust shop should be able to do that in no time.

 

[iamdub]

My muffler had 3" ID ends. I used some scrap pieces of 3" ID exhaust tubing to make a filler. Just cut a 1" wide ring then cut it along it's seam so it could compress and slip inside the muffler end. It's like having a tuna can that's open on top and bottom then cutting an 1/8" wide slot from the top to bottom then squeezing it so the gap is closed, making it's diameter a hair smaller. The stock exhaust slipped inside that, leaving a 1/16" gap all around that was filled when I welded it up. Yeah, reducers make it more "plug-and-play", but I decided to do my exhaust at 7:00 last Friday evening and I wasn't going into town for some reducers.

 

[Mrsteef]

My buddy owns a meinike by me just trying to get the pieces instead of possibly waiting around if he doesn’t have them in stock or he could expand the stock piping. Not sure how he’ll go about it.

 

[992dr]

If he owns a Meineke he should have all the necessary tooling to do exhaust work. All he'd have to do is make two transitions. Get two pieces of 2.5" tubing, say 4" long and swage one end out to 3". If the muffler has a 3" ID then this piece should slip fit inside the muffler.
You can slide 2.5" inside the factory 2.750" tubing. Or have him swage the other end out to 2.750 to butt against the factory tubing. Or swage it out to 2. 875 and it will slip fit over the factory exhaust.

 

[Mrsteef]

Muffler got here yesterday bringing it by a buddies meinike Monday to have him weld it up I’ll post up some videos with and without the factory resonator

 

[992dr]

Muffler got here yesterday bringing it by a buddies meinike Monday to have him weld it up I’ll post up some videos with and without the factory resonator

Nice, lookin forward to hearing it.

 

[LanceD]

Those of you building your own systems- do you know which bends to get? I want to try a 4 inch system and am thinking a 90, two 45s and a 30 or 15 plus 4 feet or so of straight.

 

[992dr]

I bought about 12' of 3" tubing and some tight and loose 45 and 15 degree bends as well as a donut. If I need anything tighter, I'll make some pie cuts.
Mine is going to 3" though.

 

[homesick]

Those of you building your own systems- do you know which bends to get? I want to try a 4 inch system and am thinking a 90, two 45s and a 30 or 15 plus 4 feet or so of straight.

I believe you should do some more reading. I think 4" pipe is too big and 90 degree bends are too tight.

joe

 

[992dr]

I have to agree with Joe on that one

 

[LanceD]

I agree as well for a stock ish 5.3 but I plan on putting an 80mm turbo on it.

 

[992dr]

Well, why didn't you say that to begin with haha.
I was putting a 4" on a guys Turbo WS6.

 

[LanceD]

Already have a diesel down pipe that has two 30* bends. Just need some straight and a 45 or two

 

[iamdub]

Just wanted to update on my Magnaflow knock-off muffler (Was it @Mrsteef asking about it?) :

The sound has definitely changed, and for the better, since I've put a couple hundred miles on it. I'm still not wetting myself over the sound at this point, but I'm also no longer disappointed any. So, if any of you get one and aren't impressed right away, give it some time.

 

[Mrsteef]

Just wanted to update on my Magnaflow knock-off muffler (Was it @Mrsteef asking about it?) :

The sound has definitely changed, and for the better, since I've put a couple hundred miles on it. I'm still not wetting myself over the sound at this point, but I'm also no longer disappointed any. So, if any of you get one and aren't impressed right away, give it some time.

Getting mine welded in tomorrow morning! But I went with the Jones JFP300

 

[iamdub]

Getting mine welded in tomorrow morning! But I went with the Jones JFP300

I saw after I posted that it was another member in another thread that was interested in the same muffler as mine. You (and Ken- thanks to him for posting that vid) have the one I was gonna switch to if I decided I didn't like mine.

You gonna post a vid(s) of yours?

 

[homesick]

I agree as well for a stock ish 5.3 but I plan on putting an 80mm turbo on it.

4" pipe may well still be too big, and more power definitely makes tight bends less desirable.

It ought to be obvoius that, for ANY engine, these two ideas contradict each other; work against each other.

joe