H Pipe vs X Pipe vs Y Pipe

[realzeek]

Which one is your favorite? What are the pros and cons to them?

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[Norm Peterson]

In most cases I prefer the X-pipe.

X-pipes generally do a little better at higher rpms with OE-ish muffler restriction levels (the two flows are better balanced, which results in slightly less total-overall-average "muffler backpressure"). I'll also take a midrange snarl over low rpm rumble.

I'm not into "loud", or having my car sound like all the lifted V8 trucks that have made "the rumble" a strictly truck sound for me any more.


Now if we were talking about cruising the local Main Street in a 1950s Mercury with straight duals through Smitty mufflers, that's a whole different story. Nothing else comes close.


Norm

 

[Norm Peterson]

No surprises there, Mik. 1950's exhaust technology was pretty primitive from power or efficiency standpoints. But it sure could make sweet sounds.


Norm

 

[seabee133]

Here is a video we did on my 21 gt at steeda with the X and H.. X brought 6 more hp than the h did.

 

[Schwerin]

Here is a video we did on my 21 gt at steeda with the X and H.. X brought 6 more hp than the h did.

What's odd is usually H gives a few more TQ and X gives a few more HP, so its typically a wash in gains.

 

[seabee133]

yea thats what i always knew too.. thats why we decided to do this video to show actual numbers as well.. we were only able to do the pull in 6th (automatic) due to the stock limiter.. hit 155 in 7th and coulnt get a full pull.. waiting for the release to be able to do the tuning so we can run again and get a 7th gear pull..

What's odd is usually H gives a few more TQ and X gives a few more HP, so its typically a wash in gains.

 

[LSchicago]

Yes H pipe gives more torque, X gives more HP. I have enough HP, so the extra torque and better sound is nice.

 

[LSchicago]

And some of us prefer the X sound. Numbers are objective, taste is subjective.

Without a doubt some prefer the raspy sound. I prefer to have a deeper traditional V8 sound. It's just personal preference.

 

[FreePenguin]

You guys can’t handle the y pipe. Pew pewww

 

[Silver Bullitt]

This was a stock ‘18 M6 pull before and after Steeda H-pipe install. You can definitely see the torque increases down low. I do believe the after install pulls were also down a little due to the higher DA and the fact that the car was more heat soaked than It was for the morning pulls.

 

[LSchicago]

This was a stock ‘18 M6 pull before and after Steeda H-pipe install. You can definitely see the torque increases down low. I do believe the after install pulls were also down a little due to the higher DA and the fact that the car was more heat soaked than It was for the morning pulls.

And this is right where a Coyote needs the extra torque.

 

[Rapid Red]

Performnce is the sweetest, angry sound .

 

[Schwerin]

And this is right where a Coyote needs the extra torque.

I mean every Ford Modular needs better low end TQ, it's been an issue since the mid 90's lol

 

[Bikeman315]

How about this? Best of both worlds.

 

[WildHorse]

Without a doubt some prefer the raspy sound. I prefer to have a deeper traditional V8 sound. It's just personal preference.

Ya me too. I think both at the track would be a wash. Anyways, I've noticed it's the quality of the pipe. I've seen some h-pipes where there was only a 1" (if that) hole in the crossover, whereas others had the full diameter of the crossover.

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