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post #1 of 23 Old August 15th, 2008, 08:36 PM Thread Starter
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H-pipe

i finally got the H pipe in, the weird part was the bassani catback didn't match up with it. also there was a crack in the weld of the muffler so i brought it to the exhaust shop and got a pipe welded in so it did match up. bad part was i needed new mufflers so i got flows, the good thing is the flows sound 28029370273 tims better and way meaner. i'm suprised at the feel of th H pipe i didnt think i would notice it but my car feels alot faster with breather mods i have done any one have an idea what i would have gained i was thinking about 10 and hoping to have about 250 hp


cobra R hood (has a vin#)
bassani catback flows welded in
jegs O/R H-pipe
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post #2 of 23 Old August 16th, 2008, 07:07 AM
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Its amazing what happens when you take out a piece of piping with 4 restrictive cats, and 2.25" diameter, and replace it with a free-flowing 2.5" diameter pipe!

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post #3 of 23 Old August 16th, 2008, 08:51 AM
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that's whats so great about the 5.0 motor! i put an h-pipe on when i had my 4.6, and it just didn't make that considerable difference. LOVE 5.0'S!!!!

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post #4 of 23 Old August 17th, 2008, 10:26 PM
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Quote:
Originally Posted by AdderMk2 View Post
Its amazing what happens when you take out a piece of piping with 4 restrictive cats, and 2.25" diameter, and replace it with a free-flowing 2.5" diameter pipe!

The 2 on the down pipe are pre cats, then the other 2 are actual cats. Be glad were not in Cali i have seen and heard of them having 2 cats and 4 pre cats. That would suck.
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post #5 of 23 Old August 21st, 2008, 10:02 PM Thread Starter
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f that i'd move


cobra R hood (has a vin#)
bassani catback flows welded in
jegs O/R H-pipe
Jlt CAI
Mgw shifter
03 cobra rims
3.73's (on the way!!!)
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post #6 of 23 Old August 29th, 2008, 06:09 PM
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well on my car i have 2 pre cats and two actual cats and i live in cali...i put my off road h pipe yesterday dam it was a bitch to install...and now i need to remove the two front connections cause the stupid gasket on the passange side is falling out so i need to put a new one on there...makes that dam aire noise is so annoying...but yeah not only does it flow better the weight differnce is amazing my stock pipe was so heavy the the h-pipe was lite...cant wate to put my gasket back on its gonna sound amazing.
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post #7 of 23 Old September 1st, 2008, 02:01 PM
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I just bought a magnaflow h pipe with high flows on it, and im going to throw on some mac shorties, cant wait to see the difference the make.

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post #8 of 23 Old September 1st, 2008, 09:10 PM
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When you guys installed the h-pipe did you have any issues with check engine light or anything or was it basically a bolt on? What about X-pipes, how do they compare? In summit racing, bbk's x-pipe is advertised to have a 12-25 hp increase while the h-pipe is rated to give 10-15 more. Don't they do the same thing?


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post #9 of 23 Old September 2nd, 2008, 03:14 AM
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yeah the check engine lite turns on beacause u dont have cats anymore...but u can either buy some mil eliminators or tune the car so u can turn them off...or just put a piece of tape over it...lol...well yeah they do the same thing..imo...but h pipe is throaty sound and x pipe is more a raspy sound...its all up to u
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post #10 of 23 Old September 2nd, 2008, 08:02 AM
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Quote:
Originally Posted by 97mustanggt View Post
yeah the check engine lite turns on beacause u dont have cats anymore...but u can either buy some mil eliminators or tune the car so u can turn them off...or just put a piece of tape over it...
actually, that isn't a problem with our OBD-1 cars... only you OBD-2 guys have to worry about MIL eliminators

If your CEL is coming on, scan it, figure out the problem. but its NOT because you dont have cats anymore

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post #11 of 23 Old September 2nd, 2008, 11:29 AM
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+1 on AdderMk2
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post #12 of 23 Old September 2nd, 2008, 11:47 AM
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No CEL for having an offroad h or x on mine either. I've had them both and like the x-pipe better.

See garage for mods
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post #13 of 23 Old September 2nd, 2008, 09:35 PM
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From what I gather from reading up on Hpipes v. Xpipes, the x pipe has a continuous pressure between the intire rpm band were as the h pipe works like a straight pipe at highier rpms. Even though you may have more hp from the x pipe, you'll have more torque from the h pipe.
Both will sound differently too, it all depends on what you want for sound.

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post #14 of 23 Old September 25th, 2008, 02:37 AM
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Quote:
Originally Posted by 97mustanggt View Post
yeah the check engine lite turns on beacause u dont have cats anymore...but u can either buy some mil eliminators or tune the car so u can turn them off...or just put a piece of tape over it...lol...well yeah they do the same thing..imo...but h pipe is throaty sound and x pipe is more a raspy sound...its all up to u

or just take the light out.lol nah i got the eliminators but it still didnt do anygood cause i got a smog delete and a egr delete sigh

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post #15 of 23 Old September 25th, 2008, 02:39 AM
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Quote:
Originally Posted by lowp51 View Post
From what I gather from reading up on Hpipes v. Xpipes, the x pipe has a continuous pressure between the intire rpm band were as the h pipe works like a straight pipe at highier rpms. Even though you may have more hp from the x pipe, you'll have more torque from the h pipe.
Both will sound differently too, it all depends on what you want for sound.
+2 xpipes will be more of a clean solid sound hpipes will give you a choppy rumble

95 gt vert-custom fenders 03 cobra front end,twin garret turbos,ported trickflow trackheat heads, hks blowoff valve,spyder efi intake, underdrives,built c4, 4000 stall converter,reverse manual valvebody,4.10 gears
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post #16 of 23 Old September 25th, 2008, 10:06 PM
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I finally got my h-pipe on the other night! It sounds so angry! I got it for $130 through my auto parts store with my discount. With my glasspacks . . .

"It sounds like thunder" - My friend Russ


1994 Mustang GT stock 5.0L
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Flowtech O/R H-pipe
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post #17 of 23 Old September 25th, 2008, 11:49 PM
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i got a catted h-pipe and its still loud i love it. and i think i should be able to pass inspection. its been due since 5/08 on both stickers


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post #18 of 23 Old September 26th, 2008, 10:34 AM Thread Starter
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there isn't much diff in hp or torque either way that you would notice unless your pushing big numbers, you will notice sound tho so its really a preference x pipe is too loud for me, i think the h pipe sounds much better. in my opinion the h pipe has that deep throaty muscle car sound. h pipe and flows i think is the best combo on any stang it just sounds mean !


cobra R hood (has a vin#)
bassani catback flows welded in
jegs O/R H-pipe
Jlt CAI
Mgw shifter
03 cobra rims
3.73's (on the way!!!)
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post #19 of 23 Old September 27th, 2008, 03:36 AM
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im gonna be gettin my o/r h soon. already got the flowmaster american thunder series cat back kit installed but forgot which mufflers that kit has. lol but yeah i just want to know before installation will an o/r h from summit (goin for the cheapest i can find since o/r h's are all same it seems) match up properly with my stock headers and the catback kit i have? :shrug

Its red, long, and comes with an 8 foot bed attached. Wanna come play with it?
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post #20 of 23 Old September 28th, 2008, 02:20 PM Thread Starter
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it should but who knows i bought the cheap one from jegs and it didnt line up with the bassani cat back i had to go to a custom shop and get it fixed and switched to flows


cobra R hood (has a vin#)
bassani catback flows welded in
jegs O/R H-pipe
Jlt CAI
Mgw shifter
03 cobra rims
3.73's (on the way!!!)
96gtponyred is offline  
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