Flowmaster question

[Rewind]

Is there a way to tell which Flowmaster muffler I have on my truck? (muffler was on there when I bought the truck)

 

[Mad Maxx]

The Part Number is Stamped on either the Inlet or Outlet Side of the Muffler.

Roll Under the Truck, Write Down the Number, Google it, and you'll know what Model you have.

 

[Rewind]

Thanks Mad Maxx!!

 

[3500GMC]

^^ Yep. IIRC the number is on the end cap. It's kind of an 'etched/dot looking' type stamping.

If it's too rusty, get a photo uploaded and we can probably tell. Measure it also.

 

[Rewind]

I did mesaure it, it's 17in long.

 

[Mad Maxx]

It'll Look like this:

 

[Rewind]

Found it, on the inlet side:

Part Number 524554
Product Type Street Mufflers-Super 50 Series SUV
Description Super 50 SUV Muffler - 2.25 Dual IN / 2.25 Dual OUT - Moderate Sound
Muffler Series Super 50 Series SUV
Muffler Size 17.00'' x 10.00'' x 5.00''

Hummmm............would like something louder, deeper maybe.

 

[Mad Maxx]

The Original 40 Series is the Loudest, unless you go down to the 10 Series, which is a 1-Chamber Muffler, and VERY Loud.

 

[Rewind]

Right now I have one muffler (2 in, 2 out) would it be better to have 2 separate mufflers?

 

[Mad Maxx]

True Duals would Sound the best.

 

[Ed HD]

I can't tell from your pics, is it a diesel or a gasser? If it's a diesel, i'd go single, but if it's a 5.7 I'd go duals with an H or X pipe. Didn't those have duals into the cat, then a 2 into 1 cat? Trying to remember from my 98 Tahoe.

 

[Rewind]

It's a gasser (5.7). I've got 2 into 2 cats then into one muffler then dual out.