FORD X Pipe - yes or no? - Ford Mustang Forum
 
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post #1 of 10 (permalink) Old 03-16-2011 Thread Starter
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FORD X Pipe - yes or no?

Wondering if I bother with the Ford X pipe?

Putting the 500 mufflers on -Do I bother with the ford X pipe?

Prefer deeper H pipe sound but only H pipe I can see is the hearthrob which has somewhat mixed reviews (fittment, drone, etc)

Might I lose lowend torque with the ford X pipe? Is the sound much different? Should I just keep the stock H - how bad is it really?

Appreciate your thoughts!

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post #2 of 10 (permalink) Old 03-16-2011
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Are you wanting Catback only? Lethal performance has an H pipe but it deletes the cats.


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post #3 of 10 (permalink) Old 03-16-2011 Thread Starter
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Quote:
Originally Posted by QuadCammer5.0 View Post
Are you wanting Catback only? Lethal performance has an H pipe but it deletes the cats.
Yes- cat back only! want the cats.
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post #4 of 10 (permalink) Old 03-16-2011
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Hell yes, get it. the stock h piping is restrictive like hell. I would say a solid 7WHP with just the xpipe is attainable. the rasp wont be nearly as bad because the converters will still be on the car and i think itll give it a VERY nice aggressive sound with the mufflers and not too loud though. DO IT!
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post #5 of 10 (permalink) Old 03-16-2011
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i was also looking into getting the ford x-pipe, i have used ford headers before but never an x-pipe. i also wanna keep the cats. any info would be great!

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post #6 of 10 (permalink) Old 03-16-2011
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With respect guys -- If he keeps the stock cats, there is no way that an aftermarket X-pipe gives 7 HP over the stock H-pipe. All other things held equal, an X-pipe gives no HP over an H, there is only a sound difference. If the aftermarket pipe is truly less restrictive to any measurable degree (which I doubt), he might see 1/2 HP difference. No human on earth will feel that, and it's even within a reasonable margin of error on a dyno.

Now, getting rid of the cats, or going with the less restrictive high flow cats, changes that entirely.

My advice would be to get rid of the stock cats or don't bother. If you go cat-less, you'll pick up top end power but lose a slight amount of torque down low. You'll likely need to retune the car for the lack of cats. If you have a tune already, you might notice the loss of torque. If you don't have a tune now, the power increase from the new tune will mask the loss of torque when you remove the cats.
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post #7 of 10 (permalink) Old 03-16-2011
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Quote:
Originally Posted by cidsamuth View Post
With respect guys -- If he keeps the stock cats, there is no way that an aftermarket X-pipe gives 7 HP over the stock H-pipe. All other things held equal, an X-pipe gives no HP over an H, there is only a sound difference. If the aftermarket pipe is truly less restrictive to any measurable degree (which I doubt), he might see 1/2 HP difference. No human on earth will feel that, and it's even within a reasonable margin of error on a dyno.

Now, getting rid of the cats, or going with the less restrictive high flow cats, changes that entirely.

My advice would be to get rid of the stock cats or don't bother. If you go cat-less, you'll pick up top end power but lose a slight amount of torque down low. You'll likely need to retune the car for the lack of cats. If you have a tune already, you might notice the loss of torque. If you don't have a tune now, the power increase from the new tune will mask the loss of torque when you remove the cats.
I was going to post the same exact thing...so, since you've posted it, I'll second!

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post #8 of 10 (permalink) Old 03-17-2011
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With all that being said, then would it be ideal to get just a catback system and leave the stock H-pipe and headers? If so, how much HP gain am I looking at through the catbacks?

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post #9 of 10 (permalink) Old 03-17-2011
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If you leave the stock headers and cats, you won't see any real HP gain -- only a sound difference.

If the aftermarket midpipe and catback is less restrictive, it is theoretically possible to squeeze out 1 HP or so, but nothing you'd notice.

Real HP gains come with new headers and cats (or removal of the cats for the price of low end torque loss).
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The stock H pipe necks down to a reduced diameter which is why Ford Racing and Corsa offer replacements that are the full 3 inch diameter.

See here: http://image.mustang50magazine.com/f...ust_system.jpg
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