dual to single exhaust

[lookatitgo156]

i was wondering if changing the exhaust from a fake dual to a single outlet would affect anything. and if not, whats a few good choices of mufflers. thanks

[Anonymous]

It shouldn't affect performance as long as you have good pipe. It will probably change the sound (for the worse), but I was reading in a post somewhere about a Flowmaster(?) muffler that was designed for that, and is suppose to sound really good.
If I were to make single exhaust, I'd have the pipe exit out the side before the rear tire with a rectangle tip.. that would look cool

[SappySE107]

It changes the exhaust note. I am using a single 2.5 mandrel bent exhaust with a flowmaster 40 series. I love the sound, except when its cold it gets a bit raspy at a small RPM range.

[Rhedalert]

It changes the exhaust note. I am using a single 2.5 mandrel bent exhaust with a flowmaster 40 series. I love the sound, except when its cold it gets a bit raspy at a small RPM range.

Is that on the Cutlass?? I remember the GP still having the duals. Didnt that car have a 2.5" exhaust too?

[Cliff8928]

Well, if you wanted to lighten up the car a bit, and not leave that one cutout open on the other side of the car where the other muffler would have been, you could alwyas get a muffler designed for a F-Body and just route a pipe over to the other side to save some weight instead of having another muffler over there..

And there sure isn't any shortage of F-Body aftermarket mufflers out there...

Cliff Scott
89 BerettaGT
89 Volvo740

[Anonymous]

Its easy enough to cover any cutout spots with fibreglass, and it will hold strong too. Just as long as you want to do some painting as well.

[lookatitgo156]

ok i am planning on removing everything from the cat back, installing high flow cat, 2.5 inch tubing into a magnaflow or flowmaster, what difference other than sound would this have over the stock exhaust?

[SappySE107]

performance and less weight.

Its on the cutty, cause I took it off the GP I got rid of the Y split too.

[pocket-rocket]

performance and less weight.

Its on the cutty, cause I took it off the GP I got rid of the Y split too.

Just needs a resonator now to get rid of that God awfull raspy sound from 2.5k to 3.5k now, lol. Man I hate that sound from our engines, lol.

[SappySE107]

tuning kinda fixed that, its only raspy to 2-2.5k when its warming up. Its much mellower than it used to be when it warms up.