Dual Exhaust - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 4 Old 02-24-2009, 11:41 PM Thread Starter
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Dual Exhaust

I was wondering if someone can give me more information on duals for a 02 v6 mustang. When I bought my car that was one of the first things I got. At the time I didn’t know much about cars in general (still don’t know much) and got a local company to do the work. They didn’t put H or X pipes on it they just ran pipes straight to the duals. I want to know if this is a good setup or if having different mid pipes will help the car in performance and sound. Thanks.

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post #2 of 4 Old 02-28-2009, 07:27 PM
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The 3.8 doesn't need a cross over (x, h pipe) because it has an even firing order (unlike the 4.6), hence doesn't have the change in pressure to worry about. It may sound a little raspier than it would with a crossover, but IMO not enough of a difference to warrant a change. Stick with what you have, and if you don't like the sound change mufflers.


2002 Mineral grey GT 5 speed. Flowmaster 40's catback, Mach 1 grille delete, timing advance, push button starter, Bullitt pedals, FR500 steering wheel, K&N FIPK, Self ported upper intake w/ spacer, Pioneer Avic D3, MGW shifter, MM FL subframe connectors, Mach 1 springs, Bilstein HD struts/springs
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post #3 of 4 Old 03-01-2009, 06:20 PM Thread Starter
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Originally Posted by Cougarstang View Post
The 3.8 doesn't need a cross over (x, h pipe) because it has an even firing order (unlike the 4.6), hence doesn't have the change in pressure to worry about. It may sound a little raspier than it would with a crossover, but IMO not enough of a difference to warrant a change. Stick with what you have, and if you don't like the sound change mufflers.
Thanks for the info. Thats exactly what I wanted to find out. The next item on my to do list is headers.
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post #4 of 4 Old 03-02-2009, 12:58 PM
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Thanks for the info. Thats exactly what I wanted to find out. The next item on my to do list is headers.
No problem.

Also, if you're running near stock, I'd skip the headers. Ford's stock manifolds on the 3.8 flow remarkably well believe it or not, and really don't become a bottleneck until you're pushing 300hp. On a bolt on car, you'd see no real gains with headers.

I had a 3.8 for a good 4 years and went through the same reasoning when I was doing bolt ons. IMO the best you can do for it is exhaust and an underdrive pulley.

2002 Mineral grey GT 5 speed. Flowmaster 40's catback, Mach 1 grille delete, timing advance, push button starter, Bullitt pedals, FR500 steering wheel, K&N FIPK, Self ported upper intake w/ spacer, Pioneer Avic D3, MGW shifter, MM FL subframe connectors, Mach 1 springs, Bilstein HD struts/springs
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