Decided to redo my exhaust h pipe or x pipe?

Codydubb · Jan 12, 2012

Ive heard this one is better than that one x is better than h h is better than x....whats your thoughts?

2vNotch · Jan 12, 2012

H for deep mellow tone on pushrod motors, X for optimum hp scavenging but loses tq

Flavadave4 · Jan 12, 2012

I bought a BBK off road X pipe for my car to go behind the new BBK shorty headers and do not like the sound with my Flowmasters. When you get on it you can hear the x chamber vibrating like a million bees under the car. The fit and finish of the BBK exhaust products seems really nice, i guess i wish I would have just stuck with the classic off road H pipe. All this being said; my car makes a nasty menacing growl at 1500rpms just cruising in the high gears, my car sounds pretty bada$$ when I am babying it! lol

foxbodymike87 · Jan 12, 2012

i have an o/r H and it isnt loud enough for me..so im cuttin the H out and doing straight pipes.

Flavadave4 · Jan 12, 2012

foxbodymike87 said:
i have an o/r H and it isnt loud enough for me..so im cuttin the H out and doing straight pipes.

Not sure how much louder that will be but it will sound like poop...

foxbodymike87 · Jan 12, 2012

i dont think it would sound like fecal-matter. and the other half of the reason im cutting it out is cuz i have a crazy blockage in the H..im thinkin a rat went in and never came out.

and this is nice sounding feco-matter.

85_SS_302_Coupe · Jan 12, 2012

I'm an X pipe man hands down. I'll never run anything else.

just4bob50 · Jan 12, 2012

2vNotch said:
H for deep mellow tone on pushrod motors, X for optimum hp scavenging but loses tq

I just changed my entire exhaust from 1 5/8 shortys, 2.5 Hpipe, and 2.5 flowmasters to 1 3/4 LTs, 3" Xpipe, and 3" 4X9 magnaflows. Hands down my new exhaust performs better and sounds better at every rpm.

In most cases the difference between the H & X of the same size is only a few numbers of either HP or TQ, nothing that is even worth mentioning. I personally think the X has to be run with a straight through muffler to sound good, and a H sounds better with chambered mufflers.

There are many threads on YellowBullet about this specific topic and racers with back to back results.

Onefine88 · Jan 12, 2012

I don't know which is better. I've heard arguments both ways. All know is that I have a Bassani X on both my Foxs and I prefer the sound of the X over the H.

Febreezeit50 · Jan 12, 2012

I'm running H-pipe with 44 flow masters. Sounds mean. Love it.

85_SS_302_Coupe · Jan 12, 2012

just4bob50 said:
I personally think the X has to be run with a straight through muffler to sound good, and a H sounds better with chambered mufflers.

.

I almost agree with this because i think Flows sound like ass with an X, but then again Macs sound sick with an X. On the flip side i think a straight through muffler like Magnaflow just don't sound right with an H and really hit the sweet spot with an X. Some mufflers definitely sound better with one or the other.

hoopty5.0 · Jan 13, 2012

X > H. I've had both. Right now I have L/T, off road X and Magnaflow catback. Performance gains between each is negligible, so really it just comes down to how you like the sounds. Mine still get me half staff-ed when I drive it.

Codydubb · Jan 13, 2012

I get half staffed just looking at mine...

VibrantRedGT · Jan 13, 2012

I had a huge exhaust on my 347, MAC 1-3/4" Ceramic Long Tubes w/ 3" Collector, MAC 3" Prochamber and MAC 3" cat back. This was my 5th exhaust system and by far the best sounding. That Prochamber sound is unmatched. I've posted the car idling in another thread 94-95 specific.

citmov · Jan 13, 2012

85_SS_302_Coupe said:
I almost agree with this because i think Flows sound like ass with an X, but then again Macs sound sick with an X. On the flip side i think a straight through muffler like Magnaflow just don't sound right with an H and really hit the sweet spot with an X. Some mufflers definitely sound better with one or the other.

I run a Dr Gas x-pipe w/ Magnaflow mufflers and I love the sound and performance. But that's just me.

TwoToneHatch · Jan 13, 2012

X-Pipe by far , I have BBK shorties , Catted BBK X-pipe and dynomax mufflers and it sounds good ! Much different from the H-pipe/Flowmaster sound everyone seems to have .

strattoc · Jan 13, 2012

I'm right there with you, cant decide between the pypes stainless x or prochamber.

I'm also going to go with a cobra bumper and some 3" tips so my exhaust should be quite different.

I have an H pipe right now and it sounds good, but my car sounds truck-ish at times and the bbk doesnt fit very well so I have some exhaust leaks.

Flavadave4 · Jan 13, 2012

So i need to get some straight through mufflers this year and give them a try is what you are all saying?

91TwighlightGT · Jan 13, 2012

foxbodymike87 said:
i have an o/r H and it isnt loud enough for me..so im cuttin the H out and doing straight pipes.

I wouldn't do this. The H-pipe serves a function of balancing the exhaust flow between the left and right banks of the engine. Check it out...

Purpose

According to MOPAR Muscle Magazine's article on Dodge Challenger exhausts, the H pipe essentially tricks your car's dual exhaust system into thinking it is bigger. The pipe's two-armed structure sends excess pressure from gasses from one arm of the pipe to the other. It does this when there is no exhaust pulse on the second side, which builds up more pressure in the pipe than normal. In an H pipe, engine gasses follow the path of least resistance (straight through each pipe's arm) instead of going 90 degrees through each pipe and into the other half of the dual exhaust system. The H pipe's two-armed system also mimics your engine's cylinder banks and helps balance them, according to Street Directory's website. This is what makes the H pipe an effective part of a dual exhaust system.

85_SS_302_Coupe · Jan 13, 2012

citmov said:
I run a Dr Gas x-pipe w/ Magnaflow mufflers and I love the sound and performance. But that's just me.

Same here, Dr. Gas X and Magnaflows with Mac long tubes. Best combo i've found so far.

Decided to redo my exhaust h pipe or x pipe?

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