streetassasin

iTrader: (30)

Right now I have a 2.5" H pipe with a 2" crossover, 2.5" dynomax bullets with turndowns and was thinking of putting my XS Y pipe back on but replace the merge with this one http://www.jegs.com/webapp/wcs/store...-1&showValue=1 and run a 4" dynomax bullet right off the end of the Y with a turndown. Opinions?

streetassasin

iTrader: (30)

bump for any ideas

mean_greenZ

iTrader: (1)

i think the flow between the two would be about the same. and i don't think you would notice a difference in performance at all.

the duals would be a bit deeper sounding since you have a h-pipe. but the y merge deal would be lighter weight.

as far as loudness..i would venture to say it would be close to the same.

68birdls1

iTrader: (46)

You are gonna have some nasty drone if you don't have any cats. I had the xs y pipe with their headers and had a bullet muffler right on the end and it is drooonnnneeeeyyyyy lol. But that is how its gonna be with all setups. Gonna have a good bit of rasp too.
Why do you want to get rid of the duals?

streetassasin

iTrader: (30)

I don't want to get rid of them just wondering if the other set up will outperform them

w3s1c0a5t

iTrader: (3)

Im going to be making a custom Y with that merge then doing a 4' Bullet with a turndown. ill post up some sound clips soon.

68bird- How did you get rasp from this? Were you using the merge thats linked in the OP? If not im pretty sure thats were you got your rasp from.

68birdls1

iTrader: (46)

No I was talking about the xp y-pipe.

And I would think at your power level you would benefit more from the duals

w3s1c0a5t

iTrader: (3)

I havent seen the Merge on the xp Y but dont you think thats where you were getting some/most of the rasp?

What does power level have to do with Duals vs Y pipe?

teke184

iTrader: (5)

from a mathmatical standpoint:

cross sectional area:

2.5" dual exh = 9.8 sq in
4" single exh = 12.6 sq in

a 22% increase

which do you think will flow better?

Surferd15

iTrader: (20)

Knew there was a reason why Math was important...lol

w3s1c0a5t

iTrader: (3)

That doesnt really have much to do with it honestly.

Neither is restricting flow because of shear flow thru the straight pipe. Its the merge that typically makes or breaks the flow on our cars. If you get a GOOD merge on either it flow properly but more importantly be a good inductor for the bank that is not firing. Otherwise.... we wouldnt even bother running the crossover pipe.

Im going with the Y pipe for a couple of reasons. The flowmaster merge i think is one of the best on the market. Its cheaper and lighter for my application.

The biggest thing is to not have the merge meet with a harsh angle so that the air is smacking into each other. you want one that "blends" the pips together for lack of a better word.

Tainted

iTrader: (9)

2.5 inch x pipe all the way back or dumped

krazy4

iTrader: (5)

The single 4" is a nice exhaust