should i change my dual exhaust to single?

[firechero]

i need new exhaust and i like the duals that i have on now but i heard alot of people prefer to just have like a flowmaster with 2.5" pipe, i would think this would be cheaper for me than trying to run 2 new pipes, i have those tube-like mufflers on there now, what do u think?

[Stuka]

if you go single go single 3", if you go dual go dual 2". duals sound WAY better then single normally. You will gain some low end torque with the single exhaust, but gain mid to top end with the duals. The tube type are glass packs. They are a resonator, not a muffler by definition.

[firechero]

if i stick with the duals should i go glasspacks again or another muffler?

[garoo_one]

GO DUAL

[Stuka]

dependds what you after. glasspacks take up less space, and are cheap. they sound like crap when new, but once they fully break in, they sound good. Just that it takes quite a while for them to break in.

if you go muffler, go with a dynomax super turbo or something. so its not obscenly loud.

[kreb]

right now i run a 2.5 pipe into a 3" magnaflow muffler. the performance was very noticeable over stock. i have not run a dual exhaust so i do not know how it compares. i would go dual with the 360's torque and small rpm range

benjamin

[River Beast]

I'm going away from dual 2.25" and headers and back to manifolds and single 3" flomaster... I lost too much low end torque in my book

[Hammer]

If you are running the manifolds, then having a good Y pipe into a 3" main pipe would work great.
If you go duals, 2" or 2.25" pipes, but make sure to get the cross over pipe so you don't loose so much torque. You would be amazed at what that simple mod will do for low end torque on dual exhaust setups.
Mufflers are based on your taste of sound. I like Flowmasters. But I also like the Borla and Edelbrock mufflers as well. Only one big thing, the flowmasters are built like tanks. They are very tough and take serious abuse where other mufflers fall apart or start puking out internals. If you plan to wheel it hard, go Flowmaster or glass pack.

[Wilk]

I agree with everything Hammer said. On the street, I like SuperTurbo's but offroad ...... well, I agree with everything Hammer said.

[Cecil14]

If you do go with glasspacks check your local laws. I know in michigan glasspacks are illegal. Most of the time nobody will care anyway but just one less reason to give em.

Anthony

[Georgia Mike]

I run single 2.5" with a Hooker Aerochamber muffler. Nice sound,not too loud,but just a nice low rumble without the "drone" of a Flowmaster at highway speed. It's built very tough,like the Flowmaster,it's made from thick gauge,fully welded and aluminized steel,and as an added bonus,the insides of it are all stainless steel,so it should last forever.

[carrotman]

Glasspacks have been proven to cut horsepower compared to almost any type of regular muffler. Cut apart glasspacks show slits that pull the exhaust into the fiberglass. Slows the exhaust flow significantly. When they finally clog up they don't cut any noise, but then they don't cut the flow. If you have a dual exhaust, where does the driver's side exhaust go? What about a second cat? My 76 Chief has a nice cutout for the exhaust on the passengers side and plenty of room for a Hemi-sized muffler, even a cat if I needed one. I would go large single exhaust and big muffler. Forget the glasspacks.

[carrotman]

Single 3 inch exhaust is superior to two 2 inch exhausts. Area of a circle= pi (r squared). 3 inch=9pi. Two 2inch=8pi. Doesn't include the weight of the extra pipe and muffler, or the extra time. I still don't know where the driver's side exhaust would go. I wouldn't want it next to the gas tank, gas lines, or my electric fuel pump. Doesn't seem to be enough room by the driveshaft either.

[blt2krl]

I took off my dual to go with a 3 in single exhaust. It was a great move. Vehicle acutally seemed to run smoother.

[firechero]

think ill go with the 3 inch single pipe then, now to choose a muffler, my drivers side pipe for those of you wondering, turns right after the header to run along side the passanger side pipe

[Dragon wagon]

I just went from the stock single set up to duals from the manifolds back with no y-pipe. I run 90% of the time on the street/hi-way and I am really happy with the new set up. The only downside I see is I lost my spare tire area. Just my 2-cents.

Tyler
'75 Wagoneer 401

[Josh D]

On my J-truck, I went from 2" duals with glasspacks to 2.25" dual inlet/single 3" outlet 50 series Flowmaster and it made a good deal of difference in performance and sound. I like the dual inlet/single outlet Flowmaster cause it eliminates the 'Y' pipe.