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Old 12-30-2004, 09:11 AM   #1
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Mac H-pipe

http://www.macperformance.com/garage...m=17&Topic=937

i guess this means i will be selling my catted h-pipe...what ever happened to 50 state legal? I wonder if a muffler shop can put all four of my stock cats right between the lt headers and mufflers, b/c i am not gonna fail emmisions. there has got to be a possible way to have lt's and be street legal... o well.
I am leaning toward turbo mufflers, but still slightly considering melowtones. The turbos are cheaper and not quite as loud. I don't really want a very loud car, i want it to be louder than stock but not flowmaster loud, any suggestions?
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Old 12-30-2004, 10:41 AM   #2
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I have a mac pro-chamber, best investment besides my gears. I just do the swap back to stock when I have to pass smog.
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I have an 01GT w/ frpp 3:73's, sportline springs, wms cold-air w/95mm mass-air, (ceramic) BBK equal length headers (ceramic) mac 70mm t. body, trickflow intake plenium, mac pro-chamber, flowmaster catback, Nitto drags, NX N20 150hp jets, & some good predator tuning! Best E.T. 11.79 @ 118.4mph :drive:

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Old 12-30-2004, 10:44 AM   #3
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did you pay to have that done or do you put the cats back yourself, b/c with lt headers, i would have to put my stock headers and everything back which would be a PITA to the max.
Thanks for the reply
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I could say nothing for my complete awe. He then. confidantly, purchased the gallon.
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Old 12-30-2004, 11:31 AM   #4
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you dont have a stock H pipe, you have a stock Y pipe.
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Old 12-30-2004, 11:46 AM   #5
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2: did i say i had a stock h? lol, anyway, i would like suggestions on the lt headers, h-pipe, and mufflers if possible. thanks
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Old 12-30-2004, 12:02 PM   #6
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Well for one find out what Tenneessees emissions are. Colorado doesnt have the same emission standards as California and I am willing to bet Tenneessee is different as well
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Old 12-30-2004, 12:07 PM   #7
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Ya Californias suck a$$. That is why I am scared to get cams. Don't have the money to go back & forth.
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I have an 01GT w/ frpp 3:73's, sportline springs, wms cold-air w/95mm mass-air, (ceramic) BBK equal length headers (ceramic) mac 70mm t. body, trickflow intake plenium, mac pro-chamber, flowmaster catback, Nitto drags, NX N20 150hp jets, & some good predator tuning! Best E.T. 11.79 @ 118.4mph :drive:

[IMG]C:\Documents and Settings\jon.straszewski\Desktop\TOP ****y to bar 020.JPG[/IMG]
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Old 12-30-2004, 12:08 PM   #8
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Ya I do it myself, won't do it again without my friends lift though. I am stick of putting that thing on my damn chest. My arms get too tired.
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I have an 01GT w/ frpp 3:73's, sportline springs, wms cold-air w/95mm mass-air, (ceramic) BBK equal length headers (ceramic) mac 70mm t. body, trickflow intake plenium, mac pro-chamber, flowmaster catback, Nitto drags, NX N20 150hp jets, & some good predator tuning! Best E.T. 11.79 @ 118.4mph :drive:

[IMG]C:\Documents and Settings\jon.straszewski\Desktop\TOP ****y to bar 020.JPG[/IMG]
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Old 12-30-2004, 12:10 PM   #9
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triple post, btw did he just say h-pipe again? lol
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I have an 01GT w/ frpp 3:73's, sportline springs, wms cold-air w/95mm mass-air, (ceramic) BBK equal length headers (ceramic) mac 70mm t. body, trickflow intake plenium, mac pro-chamber, flowmaster catback, Nitto drags, NX N20 150hp jets, & some good predator tuning! Best E.T. 11.79 @ 118.4mph :drive:

[IMG]C:\Documents and Settings\jon.straszewski\Desktop\TOP ****y to bar 020.JPG[/IMG]
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Old 12-30-2004, 03:32 PM   #10
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the reason a catted mac h won't pass colorado emissions is becuz most of colorade is anywhere from half a mile to a mile above sea level. the air is thinner there, thus, more easily polluted

i was told by the murfreesboro emission's people last time i went (september) that custom exhaust would be perfectly legal as long as there are visible functional catalytic converters
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Old 12-30-2004, 05:19 PM   #11
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Damn, & I thought Cali was hard to pass.
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I have an 01GT w/ frpp 3:73's, sportline springs, wms cold-air w/95mm mass-air, (ceramic) BBK equal length headers (ceramic) mac 70mm t. body, trickflow intake plenium, mac pro-chamber, flowmaster catback, Nitto drags, NX N20 150hp jets, & some good predator tuning! Best E.T. 11.79 @ 118.4mph :drive:

[IMG]C:\Documents and Settings\jon.straszewski\Desktop\TOP ****y to bar 020.JPG[/IMG]
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Old 12-30-2004, 06:16 PM   #12
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thanks guys, and also: a chip will fix the problem of me running rich correct? and is the best place American Motorsport? thanks
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I could say nothing for my complete awe. He then. confidantly, purchased the gallon.
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Old 12-30-2004, 06:21 PM   #13
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Yes, get the predator. That will make it even out.
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I have an 01GT w/ frpp 3:73's, sportline springs, wms cold-air w/95mm mass-air, (ceramic) BBK equal length headers (ceramic) mac 70mm t. body, trickflow intake plenium, mac pro-chamber, flowmaster catback, Nitto drags, NX N20 150hp jets, & some good predator tuning! Best E.T. 11.79 @ 118.4mph :drive:

[IMG]C:\Documents and Settings\jon.straszewski\Desktop\TOP ****y to bar 020.JPG[/IMG]
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Old 12-30-2004, 06:22 PM   #14
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crap...ok, if I got a single program chip from american motorsport and all i would really be using it for would be to fix the running rich thing, what all would i need to reprogram it or whatever for gears and other stuff...also, how much does sending it in for a reburn cost?

I want my exhaust put on but i gotta figure all this stuff out
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I could say nothing for my complete awe. He then. confidantly, purchased the gallon.
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Old 12-30-2004, 06:29 PM   #15
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I am not sure about the cost, you would have to call. But I would do the chip last. Especially if you are gonna pay to have it burned.
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I have an 01GT w/ frpp 3:73's, sportline springs, wms cold-air w/95mm mass-air, (ceramic) BBK equal length headers (ceramic) mac 70mm t. body, trickflow intake plenium, mac pro-chamber, flowmaster catback, Nitto drags, NX N20 150hp jets, & some good predator tuning! Best E.T. 11.79 @ 118.4mph :drive:

[IMG]C:\Documents and Settings\jon.straszewski\Desktop\TOP ****y to bar 020.JPG[/IMG]
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Old 12-30-2004, 06:37 PM   #16
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well, i dont want to wait because i dont want to run rich until the summer when i can get my gears and such.

also, i apologize for my panic above, i have done some reading and am more educated on the matter (not that i know much but enough to not spaz out about it)

i think i will get the 6 program chip for 350 and have one for advanced fuel economy and one for performance (if i can do that, which i think i can)...then i will send it in for a reburn in the summer. thanks
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Old 12-30-2004, 06:45 PM   #17
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Wait if you havn't bought anything yet, get the Diablo Predator. You will not be disappointed. I thought you already bought it.
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I have an 01GT w/ frpp 3:73's, sportline springs, wms cold-air w/95mm mass-air, (ceramic) BBK equal length headers (ceramic) mac 70mm t. body, trickflow intake plenium, mac pro-chamber, flowmaster catback, Nitto drags, NX N20 150hp jets, & some good predator tuning! Best E.T. 11.79 @ 118.4mph :drive:

[IMG]C:\Documents and Settings\jon.straszewski\Desktop\TOP ****y to bar 020.JPG[/IMG]
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Old 12-30-2004, 06:48 PM   #18
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alabama has no emmisions, we just have a decible law.
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Old 12-30-2004, 07:00 PM   #19
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alabama has no emmisions, we just have a decible law.
They just make it harder & harder for everyone.
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I have an 01GT w/ frpp 3:73's, sportline springs, wms cold-air w/95mm mass-air, (ceramic) BBK equal length headers (ceramic) mac 70mm t. body, trickflow intake plenium, mac pro-chamber, flowmaster catback, Nitto drags, NX N20 150hp jets, & some good predator tuning! Best E.T. 11.79 @ 118.4mph :drive:

[IMG]C:\Documents and Settings\jon.straszewski\Desktop\TOP ****y to bar 020.JPG[/IMG]
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Old 12-30-2004, 07:04 PM   #20
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lol, iowa didn't have emissions either
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Old 12-30-2004, 07:33 PM   #21
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am i gonna have to start a poll asking diablo or american motorsport
darn, i don't know and need suggestions...is the diablo a chip or is it like a tuner that you always have hooked up and adjust and such, and where is the best place to buy the diablo?
thanks
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Originally Posted by Darkshadow
I could say nothing for my complete awe. He then. confidantly, purchased the gallon.
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Old 12-30-2004, 08:02 PM   #22
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I think they are selling em on this site for $349.99 under all the forums.
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I have an 01GT w/ frpp 3:73's, sportline springs, wms cold-air w/95mm mass-air, (ceramic) BBK equal length headers (ceramic) mac 70mm t. body, trickflow intake plenium, mac pro-chamber, flowmaster catback, Nitto drags, NX N20 150hp jets, & some good predator tuning! Best E.T. 11.79 @ 118.4mph :drive:

[IMG]C:\Documents and Settings\jon.straszewski\Desktop\TOP ****y to bar 020.JPG[/IMG]
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Old 12-30-2004, 08:38 PM   #23
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Talk to Justin at http://www.velocitymustangperformance.com

He cant get you a sct chip to remove speedlimiter, advance timing, firm up shift points(if you have a auto) raise rev limitier, and anything else you need done.
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Old 12-30-2004, 10:28 PM   #24
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i was told by the murfreesboro emission's people last time i went (september) that custom exhaust would be perfectly legal as long as there are visible functional catalytic converters
With an OBDII car, they are check the computer to see if it's throwing any codes (if it does you fail) and wether the cats are plugged in and "look" like they are working.

Most everyone swaps they're off-road H-Pipes for the factory GT one and has gutted cats on there.
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Old 12-31-2004, 12:04 AM   #25
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maybe a stupid question but is there anywhere on the web to check your states emissions laws?
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Old 12-31-2004, 11:41 AM   #26
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^probably. try googling it
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