O/R x pipe vs. h pipe-RESULTS - Ford Mustang Forum
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post #1 of 6 (permalink) Old 10-05-2011 Thread Starter
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O/R x pipe vs. h pipe-RESULTS

I found this on another site (i hope im allowed to post this) and i was always curious as to the difference b.w the two in terms of performance. This vid and charts suggests its mainly due to sound, raspy (x) vs. muscle (y).
(Although if you plan on modding extensively i think the o/r x pipes will show more significant gains than this example with few add ons mods)
SVTPerformance.com 2012 Mustang GT - X-Pipe and H-Pipe Test - YouTube

Total gains
O/R X is 25.5 HP and 24.6 lb/ft
O/R H is 22.5 HP and 20.0 lb/ft
Difference is 3 HP and 4.6 lb/ft.

1-First is stock dyno.
2-Second-(lowest line is stock, mid line is O/R X-pipe with tune and stock intake, last is with airraid intake)
3-Third- (lower is stock, top one is with O/R H-pipe, Lund tune, and Airraid intake)

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2012 GT Premium/Race Red/6MT/3.73 gears/Borla S-type

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post #2 of 6 (permalink) Old 10-05-2011
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yeah, let's all take our cattys off our cars so we can have air like LA had years ago...no thanks, I like clean air, I'll pop for the high flow cats.

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post #3 of 6 (permalink) Old 10-05-2011
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Anyone sniffed one of these with an off road pipe? I had an early Camaro, ( sorry ) that passed fine with headers, cam, etc. swapped out. I'm sure at full throttle it may be bad, but what about basic driving, emission testing, etc. :?:

07 GT/CS vert, wife's car, garage queen. sold 11-30-13, going to good home, 7,785 miles.
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post #4 of 6 (permalink) Old 10-06-2011
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Hey thanks for sharing...
But I may be wrong, but it looks like its pulling some timeing...
Maybe cheap gas... I dunno... Has Jon seen these?
It dips twice, that dosnt look good... what was the AFR?
Queens, NY.? no cats?

I don't speak often but when I do, I don't have clue what I am talking about. I just repeat things that I once heard and do not repeat them correctly... My doctor told me it was an ID 10 T problem and it was incurable.
So when I reply to a post or add to a thread I just find the words elsewhere and copy and paste.
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post #5 of 6 (permalink) Old 10-06-2011
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I love my o/r H pipe. It has a really deep tone
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post #6 of 6 (permalink) Old 10-06-2011
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I saw these results yesterday. I thought it was interesting because it was essentially the opposite of what Heartthrob supposedly found in their testing. Not putting weight on either side as one is a site owner and the other is a business owner.

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