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View Poll Results: Which exhaust would be best for my 1988 Mustang GT 5.0
Seperate Pipes 3 21.43%
X-Pipe 5 35.71%
H-Pipe 0 0%
I have no idea but this sounds sweet- Chris_Knows 6 42.86%
Voters: 14. You may not vote on this poll

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Old 02-08-2006, 12:04 AM   #1
Pythias
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TRUE Dual Exhaust or Crossover?

Ok so I was talking to a friend of mine about exhaust options. He claims that crossover pipes (H-pipe, or X-pipe) is not really true dual exhaust and doesn't sound as good as two seperate pipes with cats on each pipe. My question is, which sounds better, and which adds more power? Crossover pipes, or what he claims to be True dual exhaust. I know most H and X pipes add around 20-30hp or so. I have no idea what the seperate pipes would add. I want to have a good, loud sounding exhaust, but of course one that adds some performance as well. I was expecting to spend around 700$ on a Bassani X-Pipe and then maybe some Flowmaster 40 series, but he says you can do the seperate pipes for much less. What is your take on this?


Thanks for any input
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Old 02-08-2006, 12:13 AM   #2
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Finally an option for me...I don't not have an un-idea, but it doesn't not sound cool

I can help though, to visualize:Bassani X-Pipe:


H-Pipe


Or this:


I don't know much on exhausts, so...I can't offer any input
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Old 02-08-2006, 12:42 AM   #3
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Quote:
Originally Posted by Pythias
Ok so I was talking to a friend of mine about exhaust options. He claims that crossover pipes (H-pipe, or X-pipe) is not really true dual exhaust and doesn't sound as good as two seperate pipes with cats on each pipe. My question is, which sounds better, and which adds more power? Crossover pipes, or what he claims to be True dual exhaust. I know most H and X pipes add around 20-30hp or so. I have no idea what the seperate pipes would add. I want to have a good, loud sounding exhaust, but of course one that adds some performance as well. I was expecting to spend around 700$ on a Bassani X-Pipe and then maybe some Flowmaster 40 series, but he says you can do the seperate pipes for much less. What is your take on this?


Thanks for any input

if h-pipes and x-pipes didn't work any better, people probably wouldn't do them, b/c they can be a pita to install (non premade, at least...)
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Old 02-08-2006, 12:51 AM   #4
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I could be wrong, but wouldn't the straight dual exhaust be better performing
cause of the fact it has no major bends or kinks to block gasses?
but i dunno about sound, mufflers and the material of the pipes will determine
this id say
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Old 02-08-2006, 01:48 AM   #5
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I thought x pipes gave maximum flow. of course Im wrong alot
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Old 02-08-2006, 01:50 AM   #6
Pythias
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Yes I am still unsure as well, so hopefully someone knowledgable such as ChrisV will hopefully come and shed some light on this mystery.
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Old 02-08-2006, 01:53 AM   #7
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i still vote true dual for most power

comon someone who knows for sure....
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Old 02-08-2006, 04:02 AM   #8
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Straight pipes with no kittys.
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Old 02-08-2006, 04:58 AM   #9
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Quote:
Originally Posted by PontiacFan27
Straight pipes with no kittys.
yea i'm pretty sure garfield cant help exhaust systems...
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Old 02-08-2006, 10:29 AM   #10
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Properly tuned crossover will give better response and better sound.
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Old 02-08-2006, 12:41 PM   #11
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Quote:
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Properly tuned crossover will give better response and better sound.

that's what i'm saying... google it, people...
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Old 02-08-2006, 01:21 PM   #12
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Google schmoogle, it's a well known fact in performance circles.

I must admit though I have never considered a 20-30hp gain. What it does do is flatten the power curve.
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Old 02-08-2006, 02:04 PM   #13
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Quote:
Originally Posted by Wally
Google schmoogle, it's a well known fact in performance circles.

I must admit though I have never considered a 20-30hp gain. What it does do is flatten the power curve.

I was referring to crank power, and thanks for the info wally.
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Old 02-09-2006, 12:10 AM   #14
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Quote:
Originally Posted by Wally
Google schmoogle, it's a well known fact in performance circles.

I must admit though I have never considered a 20-30hp gain. What it does do is flatten the power curve.

i'm saying google for those folks w/o reliable performance circles...
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Old 02-09-2006, 06:35 AM   #15
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.

The difference between the two would be backpressure for low end torque. True dual with straight pipes would sound amazingly tough but at the expense of losing low end torque yet gaining minimal amounts of top end power.

I wouldn't say there is a better or worse just a trade off depending on your setup and driving style. Of course if you are FI that is a whole different ballgame.

BTW: Crossover or not it is still considered a "true dual" A contrary example would be my car. A transverse mounted engine with a crossover connecting both mani's to a single downpipe then to a Y out to dual exhaust <-- not a "true dual"
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