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Author
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Topic: Stock h pipe on tuned 331
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threethirty1
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Member # 7814
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posted
 
 
i have 331 thats been tuned with a 0/r x if i put my stock 4 cat h pipe on how will it run? I think a little rich. How much hp loss? Moving 2 LA and want to quiet it down its way 2 loud. thx
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1987 Black GT
factory zero option car
Posts: 777 | From: North Bay | Registered: Jul 2007
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street_illegal_stang
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Member # 1554
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posted
you'll lose some power but not a lot(2.25") bottle neck. how bout you put tails pipe back on the car ,that will tame the loudness if you running dumps/donkey dix. besides everyone in la and there brother drives a chevy or gmc truck with a 3" flowmaster
that sounds like a ups truck on steroids or a
v-dub with 8 cyl. ![[Big Grin]](biggrin.gif) -i wouldn't be to concerned .just don't stand on the gas between intersections so cops can not only hear you but see you do it. ![[burnout]](graemlins/burnout.gif)
Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002
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92stangLX
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Member # 3252
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posted
I'm guessing that it will throw the tune off a bit AND you will loose a bunch of power. Remember you are going from 2 1/2 pipes and no cats to 2 1/4" pipes and FOUR cats. I would suggest getting an aftermarket H-pipe with high flow cats. You will loose some power but not as much as going back to stock. It will definitely quite the thing down too.
I had the same problem. My offroad X was way too loud.
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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Hungry Hippo
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Member # 537
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posted
the tune should be ok, but you will lose noticeable power
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05 S4 Avant(wagon)
09 C6 H/C/I
Posts: 2959 | From: east bay | Registered: Nov 2001
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Captain Obvious
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Member # 7842
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posted
stock h-pipe is going to choke the shit out of that 331, especially if you got an HCI on it. even on a stock motor you will notice a difference between stock h-pipe and an h-pipe with out cats.
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It's NOT illegal. It's just frowned upon, like masturbating on an airplane.
Posts: 1976 | Registered: Aug 2007
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warhorse58gt
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Member # 7702
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posted
i run bassani xpipe with cats and 2 chamber flows and tips out the back. and i do lose a lil power but, it's no loud at all. of course its 2 1/2 all the way threw.
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WOLFPACK RACING
With guns, we are 'citizens'. Without them, we are 'subjects'.
83gt 354ci sbf 9.40 @ 143
77 cobra 2 171ci 97hp of pure fury!
Posts: 4200 | From: 209 | Registered: Jun 2007
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166 Merlo
FELONY
MOTORSPORTS
Member # 1549
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posted
when i put my stock pipe on for smog, it felt like I lost 50hp.
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'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real
Posts: 3953 | From: Thebay | Registered: Jul 2002
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threethirty1
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Member # 7814
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posted
moving 2 la and just dont want to cause 2 much attention to myself. what would u guys do?
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1987 Black GT
factory zero option car
Posts: 777 | From: North Bay | Registered: Jul 2007
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BUKSING
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Member # 6594
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posted
quote:
Originally posted by threethirty1:
moving 2 la and just dont want to cause 2 much attention to myself. what would u guys do?
not worry about de-modding your ride and rep nor cal.
Posts: 1571 | From: 510 | Registered: Mar 2006
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Hungry Hippo
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Member # 537
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posted
get some quieter mufflers and/or catted X
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05 S4 Avant(wagon)
09 C6 H/C/I
Posts: 2959 | From: east bay | Registered: Nov 2001
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nsty_2000
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Member # 7921
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posted
quote:
Originally posted by BUKSING:
quote:
Originally posted by threethirty1:
moving 2 la and just dont want to cause 2 much attention to myself. what would u guys do?
not worry about de-modding your ride and rep nor cal.
hahah word
Posts: 109 | From: San Leandro | Registered: Sep 2007
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threethirty1
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Member # 7814
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posted
alot of ricers down here, sti s in shit , if only i could grab traction.
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1987 Black GT
factory zero option car
Posts: 777 | From: North Bay | Registered: Jul 2007
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