Single in dual outlet muffler VS single in and single out

LURCHF350 · #1 (**permalink**) 10-19-2008, 08:17 PM

ok i am planning on getting the Flowmaster 50 series HD muffler on my F350 wat is the difference in getting the Single in Dual outlet vs the single in and single out. Are there sound differences, performance, mileage differences. anything besides the looks.

thanks

**Dirk** · #2 (**permalink**) 10-19-2008, 09:19 PM

I wouldn't. I like the flowmaster on a NA engine, I don't on a turbo. I recommend using the Walker BTM, Magnaflow 4in, or just straight pipe the stock exhaust.

**NEWT92** · #3 (**permalink**) 10-20-2008, 04:19 AM

LURCHF350, what year of truck and what motor do you have?

Stroked · #4 (**permalink**) 10-20-2008, 07:22 AM

leave the muffler off, best thing youll ever do

LURCHF350 · #5 (**permalink**) 10-20-2008, 04:33 PM

i have a 1999 i think its a 1999.5 not sure. And a 7.3L powerstroke engine. I kno everybody says strait pipe or this or that but im not sure whats the bonuses of just strait pipe vs a good muffler

LURCHF350 · #6 (**permalink**) 10-20-2008, 06:03 PM

ok guys im up for ANY and ALL suggestions on the muffler im getting this done this week my bday and i got to figure out what im getting. Prefferably i want to do a muffler that goes in one and comes out dual. I WANT SOUND NICE DEEP ROAR NOT OVERLY LOUD tho i dont want to deal with these small town cops all the freakin time. im looking at the magnaflow ROUND RESONATOR POLISHED STAINLESS STEEL BODY. which is just single out. but i want to know how it sounds. Also i am looking at the FLowmaster 50 series HD which sounds really good to me. I can get it in a dual out also.

Also if you could leave pros and cons of your set up

Thanks

**Dirk** · #7 (**permalink**) 10-20-2008, 06:06 PM

I have the 4in Magnaflow. Nice and quiet. Flows very well. Just straight pipe the truck and get the Walker BTM later if it is too loud.

A straight piped 7.3 is not as loud as you would think.

**NEWT92** · #8 (**permalink**) 10-20-2008, 06:32 PM

Lets say you run strait pipe with a "Y" to split it into duals, if you run one on each side of the truck, I think it would be quieter than a single strait pipe. Also, if you run the factory size pipe, it will not be as loud as a 4" or larger. I had a 99 7.3 with a single strait pipe, factory size was somewhat loud, on my 03 7.3, it has a 4" turbo back strait pipe....

..Its frickin loud!!!

LURCHF350 · #9 (**permalink**) 10-20-2008, 06:33 PM

well mine seems to be stock and it is 4inch pipe all through

**Dirk** · #10 (**permalink**) 10-20-2008, 06:34 PM

Stock will be 3in. MAYBE 3.5

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