Where to find stock replacement Y pipe
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Joined: Jan 2005
Posts: 95
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Car: 1988 Trans Am
Engine: 305 5.0L F engine code
Transmission: 700R4
I'm pretty sure this one will fit the manifolds, you might want to call or email hawks just to be sure.
http://hawksthirdgenparts.com/inc/sdetail/15569
http://hawksthirdgenparts.com/inc/sdetail/15569
Joined: Jan 2004
Posts: 2,947
Likes: 368
From: Las Vegas
Car: 1987 Formula (original owner)
Engine: 305 TPI
Transmission: T5
Axle/Gears: 9-bolt/3.45
I have the MAC that hawk's sells, though I bought it directly from MAC, being a local company. It's good quality, mandrel bent and a perfect fit... and it looks good, too. If you're staying with your stock manifolds, then the MAC is probably your best choice.
But if, for some reason, you're set on an actual stock Y-pipe, I'd think you'd have a hard time finding one that's still in good condition. But try contacting Tom at House of Camaro. He might have one. Good guy, Tom. His phone is 800-460-6789, and his email is TOMATTRC@aol.com
But if, for some reason, you're set on an actual stock Y-pipe, I'd think you'd have a hard time finding one that's still in good condition. But try contacting Tom at House of Camaro. He might have one. Good guy, Tom. His phone is 800-460-6789, and his email is TOMATTRC@aol.com
Last edited by LAFireboyd; Feb 12, 2006 at 12:54 PM.
Supreme Member

Joined: Jul 2001
Posts: 3,974
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
I needed a new exhaust system from the manifolds back. Their tech support answered all my questions about dimensions and fit. They may have been the original supplier to Chevrolet for the exhaust for all I know. I have dual cats on mine but I was very pleased with the fit and look of the pipes. I put a DynoMax cat back on it also. Sounds good and except for the muffler is exactly the same.
www.walkerexhaust.com
Randy
www.walkerexhaust.com
Randy
Last edited by racn1LE; Dec 31, 2006 at 09:29 AM.
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SSC - that website doesnt show me any products. just brands.
but yea i'd rather stay with the actual TPI pipe. the MAC is too expensive. ill try calling house of camaro. if i cant get one from them then ill try walker. i just want the cheap stock pipe. dont even need something aftermarket. once i have that, i can start putting my A/C back in.
but yea i'd rather stay with the actual TPI pipe. the MAC is too expensive. ill try calling house of camaro. if i cant get one from them then ill try walker. i just want the cheap stock pipe. dont even need something aftermarket. once i have that, i can start putting my A/C back in.
Supreme Member

Joined: Jul 2001
Posts: 3,974
Likes: 0
From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
Originally posted by llvll4l2c91350
SSC - that website doesnt show me any products. just brands.
but yea i'd rather stay with the actual TPI pipe. the MAC is too expensive. ill try calling house of camaro. if i cant get one from them then ill try walker. i just want the cheap stock pipe. dont even need something aftermarket. once i have that, i can start putting my A/C back in.
SSC - that website doesnt show me any products. just brands.
but yea i'd rather stay with the actual TPI pipe. the MAC is too expensive. ill try calling house of camaro. if i cant get one from them then ill try walker. i just want the cheap stock pipe. dont even need something aftermarket. once i have that, i can start putting my A/C back in.

http://www.maremont.com/ProductFinder.aspx?action=AS
Dual cat Y is #29245
Edit: I just checked the partsamerica site with that number and it's valid and you can order it from ANY parts store but dang $763.
http://www.partsamerica.com/ProductD...rtnumber=29245
The regular single Y is #449938 it's $117
Last edited by SSC; Feb 13, 2006 at 01:10 PM.
Member
Joined: Oct 2003
Posts: 296
Likes: 0
From: Houston
Car: 1992 25th Ann. Z28
Engine: 5.7 TPI - Stock
Transmission: th700 r4
Axle/Gears: 3.23
Re: Where to find stock replacement Y pipe
Originally posted by llvll4l2c91350
anyone sell a stock replacement Y pipe to fit the stock manifolds? it can come with or w/o a converter. cant seem to find a used one out of a TPI car.
anyone sell a stock replacement Y pipe to fit the stock manifolds? it can come with or w/o a converter. cant seem to find a used one out of a TPI car.
Part # MPE-23479
Last edited by hitman; Feb 23, 2006 at 12:37 PM.
Senior Member
iTrader: (1)
Joined: Nov 2001
Posts: 689
Likes: 1
From: Irmo, SC
Car: 1992 Pontiac GTA
Engine: 305TPI
Transmission: 700R4
Axle/Gears: 10-bolt, 2.73
MPE-23479. That's a Magnaflow part.
Does that really include the dual-cat y-pipe, both cats, the AIR tube, and the flange after the cats?
If so, that's not a bad deal for $273.

Hitman, post a picture somewhere on the Exhaust forum when you receive it. I like to see the quality of the part.
Wasn't llvll4l2c91350 just looking for a single-cat version of the y-pipe?
Does that really include the dual-cat y-pipe, both cats, the AIR tube, and the flange after the cats?
If so, that's not a bad deal for $273.

Hitman, post a picture somewhere on the Exhaust forum when you receive it. I like to see the quality of the part.
Wasn't llvll4l2c91350 just looking for a single-cat version of the y-pipe?
Member
Joined: Nov 2005
Posts: 332
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From: Southern IN
Car: 1986 IROC Z-28
Engine: Rebuilt Vortec Headded 358SB 9.5:1
Transmission: 700r4, corvette servo, Transgo kit
Axle/Gears: 3.23 POSI
Re: Where to find stock replacement Y pipe
Originally posted by llvll4l2c91350
anyone sell a stock replacement Y pipe to fit the stock manifolds? it can come with or w/o a converter. cant seem to find a used one out of a TPI car.
anyone sell a stock replacement Y pipe to fit the stock manifolds? it can come with or w/o a converter. cant seem to find a used one out of a TPI car.
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