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V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters
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H pipe or X pipe for v6

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Old 05-28-2014, 01:00 AM   #1
Jmherman93
 
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Vehicle: 1998 Ford Mustang 3.8
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Default H pipe or X pipe for v6

This is my first post to this forum so I apologize if this thread has been posted before, but, I need some help with some decisions with my mustang's exhaust. Now I'm not stupid with exhaust but I just have some questions I need clarified. Where better to ask than a Mustang Forum right?

My car and current setup:
1998 Ford Mustang base model 3.8l v6, totally stock. Its current exhaust is completely stock. Headers, cats, 2 inch pipes and current muffler are all from the factory.

What I want from my exhaust:
I want as deep of a tone as I can possibly get from my stock v6 without blowing a huge chunk of cash.

What I plan on using:
Flowmaster delta flow 40s (aggressive sound, I like them from experience)
Plain pipe out the back (looks good, not flashy)
Keeping stock cats and headers (for now)
Using 2 inch piping (what it has now)
Shop fabricated x or h pipe (save money as compared to a brand name)
Right now I'm looking at $90 a piece on the mufflers plus $200 for the work from an exhaust shop in my local area. So im looking about $380

From the research that I have already done I know that the X pipe will give more horsepower and the H pipe will give more sound. I also know that the X pipe flows better, which seems kinda obvious. I also think I read that the X pipe will give a more raspy sound.

My questions:
What is the difference between the H and X pipes? (besides physical shape)
Is there a different option that would give the rumble I am looking for?
Will a certain type of tips help me with the sound?
How will will large pipe affect the sound?
Will a muffler with a bigger diameter in and out cause a difference?
Other mufflers for similar or less price of good quality that will give a deeper rumble?

The question I made this thread for. For my specific stock 3.8l v6, do I want and H pipe or an that x pipe to get a deeper tone?

Any video clips would also be great.

So if any one can give me additional information or advice, it would be greatly appreciated.
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Old 05-28-2014, 01:47 AM   #2
Daehawk
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You want an H pipe for a deeper sound. X on a V6 is very raspy.
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2001 Satin Silver Mustang V6
BBK Power Plus 70mm throttle body
Mac cold air intake
MAC long tube headers
MAC off-road H-pipe
MAC true dual exhaust
American Racing 5 spoke
Nexen N3000 255/40ZR17 tires
MAC white face gauges
Cobra front end

My exhaust videos:
http://www.youtube.com/watch?v=aSq9Tr5N_W0
http://www.youtube.com/watch?v=3GMoohiXdaQ


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Old 05-28-2014, 10:10 AM   #3
mcrider
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As I just posted on another thread, An H pipe will give you a deeper old school sound and an X pipe will give you a raspier sound. Also an H pipe will give you more horsepower and torque in the lower to mid rpms while the X pipe will give you more hp and tq in the upper rpm range. Most of my driving is done in the lower to mid rpms, so this is my preference. Hope this helps.
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Old 05-28-2014, 02:36 PM   #4
Jmherman93
 
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This is the exact kind of response I was hoping for. Thank you very much! Have any other advice?
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Old 05-28-2014, 09:48 PM   #5
jthorn9
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No difference in HP on H vs X on a V6. V6s are even fire engines and gain no advantages over power with either. H pipes do tend to have a slightly less raspier sound than X pipes.
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95 Mustang SVO - 400 RWHP 400 TQ sold
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99 Mustang Cobra - 280 RWHP 290 TQ sold
11 Mustang V6 - 270 RWHP 260 TQ sold
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00 Mustang V6 - 145 RWHP 184 TQ sold
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Old 05-28-2014, 11:55 PM   #6
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Default Thanks to all three!

Even tho the answers varied in a few ways. There was one thing that you all said that was exactly what I needed to hear. I have decided to go with the h pipe because from the responses I got that is obviously what I am looking for. So thanks again to all. What do you all think about the pipes diameter? Go bigger or stay?
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Old 05-29-2014, 10:58 AM   #7
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I think mine are 2.5"
__________________
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2001 Satin Silver Mustang V6
BBK Power Plus 70mm throttle body
Mac cold air intake
MAC long tube headers
MAC off-road H-pipe
MAC true dual exhaust
American Racing 5 spoke
Nexen N3000 255/40ZR17 tires
MAC white face gauges
Cobra front end

My exhaust videos:
http://www.youtube.com/watch?v=aSq9Tr5N_W0
http://www.youtube.com/watch?v=3GMoohiXdaQ


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Old 05-29-2014, 12:27 PM   #8
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I don't mean to steal the show on this thread, but I'm looking to do some exhaust work to my 04 V6. Would it be too much to do, instead of an x or h pipe, 2 straight pipes all the way back? I don't need to worry about emissions where i'm at. Would it sound too obnoxious?
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Old 05-29-2014, 01:12 PM   #9
Jmherman93
 
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To me, straight pipes would sound too obnoxious. Where I live, straight pipes is a very common thing and no matter what car its on I always think its too loud. But obviously its your car. Do what you like.
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Old 05-29-2014, 04:35 PM   #10
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Stick a glass pack on those pipes
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2001 Satin Silver Mustang V6
BBK Power Plus 70mm throttle body
Mac cold air intake
MAC long tube headers
MAC off-road H-pipe
MAC true dual exhaust
American Racing 5 spoke
Nexen N3000 255/40ZR17 tires
MAC white face gauges
Cobra front end

My exhaust videos:
http://www.youtube.com/watch?v=aSq9Tr5N_W0
http://www.youtube.com/watch?v=3GMoohiXdaQ


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Old 05-29-2014, 06:59 PM   #11
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Quote:
Originally Posted by Mustang Man Hunter View Post
I don't mean to steal the show on this thread, but I'm looking to do some exhaust work to my 04 V6. Would it be too much to do, instead of an x or h pipe, 2 straight pipes all the way back? I don't need to worry about emissions where i'm at. Would it sound too obnoxious?
You can do anything you want on a V6 because of the even fire motor as none give any advantage hp wise so long as you watch your pipe diameter. Straights will sound very similar to h pipes so whatever is easiest and suits you best will be fine.

Also, keep in mind loudness has more to do with muffler style and specific cattalatic converter choice than the mid pipe. Mid pipes can affect tone, but not nearly as much as the above. Mid pipes have more of an effect on the stability of the air entering the mufflers than tone, hence why x pipes tend to be more raspy and can pop more due to more instability in the air flow, despite the fact that it balances out air pressure.
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13 Mustang GT CS - 380 RWHP 370 TQ
13 Mustang V6 PP - 270 RWHP 260 TQ

95 Mustang SVO - 400 RWHP 400 TQ sold
08 Mustang GT - 285 RWHP 305 TQ sold
99 Mustang Cobra - 280 RWHP 290 TQ sold
11 Mustang V6 - 270 RWHP 260 TQ sold
97 Mustang GT - 190 RWHP 250 TQ sold
00 Mustang V6 - 145 RWHP 184 TQ sold
98 Mustang V6 - 125 RWHP 210 TQ sold

Last edited by jthorn9; 05-29-2014 at 07:02 PM.
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Old 05-29-2014, 11:49 PM   #12
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Default Thanks again!

Thank you to everyone who helped! I chatted today with a guy on AmericanMuscle.com and asked him questions.

My final decision and setup:

keeping stock pipes and cats.
shop fabricated H pipe
sticking with 2 in piping from the cats back.
Flowmaster 40 delta flow mufflers offset inlet/offset outlet
and using plain pipe out the back of the car

I am hoping it sounds the way I like and I will post a video of it once I get it done.
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Old 05-30-2014, 09:52 AM   #13
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Quote:
Originally Posted by Mustang Man Hunter View Post
I don't mean to steal the show on this thread, but I'm looking to do some exhaust work to my 04 V6. Would it be too much to do, instead of an x or h pipe, 2 straight pipes all the way back? I don't need to worry about emissions where i'm at. Would it sound too obnoxious?
Without a crossover pipe of some sort, be it an H or an X, you will lose some torque. This is one of the main reasons for the crossover pipe. It does help. Also, I like to use bullet style mufflers (cherry bombs) placed directly under the cabin area with no axle backs. In my opinion, it gives a much better sound. this effectively eliminates the drone that so many complain about.
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Old 06-01-2014, 05:34 PM   #14
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Quote:
Originally Posted by Mustang Man Hunter View Post
I don't mean to steal the show on this thread, but I'm looking to do some exhaust work to my 04 V6. Would it be too much to do, instead of an x or h pipe, 2 straight pipes all the way back? I don't need to worry about emissions where i'm at. Would it sound too obnoxious?
I had straight pipes for a hot minute and it was hands down the most obnoxious car (save for Honda Civics) I've ever heard. I had an H-pipe welded on ASAP.

Original straight thru setup was Long Tubes to a set of Magnaflow Spun straight back into Borla S-Type. Borlas already sound pretty raspy on a 6, and the straight were SOOOOOOO Loud.

TLDR: Don't do straight pipes on a 6, unless it is a track-only car.
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Old 06-01-2014, 08:22 PM   #15
Daehawk
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If ya do make sure to get some straight cut gears to go with it
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2001 Satin Silver Mustang V6
BBK Power Plus 70mm throttle body
Mac cold air intake
MAC long tube headers
MAC off-road H-pipe
MAC true dual exhaust
American Racing 5 spoke
Nexen N3000 255/40ZR17 tires
MAC white face gauges
Cobra front end

My exhaust videos:
http://www.youtube.com/watch?v=aSq9Tr5N_W0
http://www.youtube.com/watch?v=3GMoohiXdaQ


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Old 06-01-2014, 09:53 PM   #16
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Quote:
Originally Posted by mcrider View Post
Without a crossover pipe of some sort, be it an H or an X, you will lose some torque. This is one of the main reasons for the crossover pipe. It does help. Also, I like to use bullet style mufflers (cherry bombs) placed directly under the cabin area with no axle backs. In my opinion, it gives a much better sound. this effectively eliminates the drone that so many complain about.
A cross over makes no difference to hp on an even firing engine. Just makes a difference in sound.
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Old 06-01-2014, 09:53 PM
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