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04-08-2009, 11:52 PM
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#1
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15 Second Club
Join Date: Mar 2005
Location: Central NJ Somewhere...
Posts: 714
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Headache exhaust for super low GTA
So I finally get my 355 back i action and come across the annoyin part.. trying to get an exhaust to fit comin off a set of head LT headers. Has anyone come up wit an idea for a Y-Pipe that clears under the car at 3.5" lowered?
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1988 Pontiac Trans Am GTA - Five UhOh Power
305 LB9 TPI -500/510 Cam, Ported Heads, 24# Inj Shorty Headers, TruDual Exhaust, MagnaFlow Mufflers, T-5 Swap, LT1 10 Bolt, Lowered 2.5in. 1991 Pontiac Firebird Formula - Nightmare Project 
2003 International 4300 - DT466 A5, Jerrdan 21' Rollback, Shiny Simulators.. Bling Bling Rattle Box
- iLLmINDED oNE -
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04-09-2009, 09:27 AM
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#2
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,366
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wow, true duals to in front of the axle? 3.5" damnnn
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04-09-2009, 09:39 AM
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#3
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Sliderule / Moderator
Join Date: Oct 2004
Location: Catawissa PA
Posts: 2,294
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That's aweful low, but you might want to look into oval exhaust tubing, might gine you an extra inch of clearance?
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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04-09-2009, 10:06 AM
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#4
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,936
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That or run 2.5 piping out the back.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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04-09-2009, 12:32 PM
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#5
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by Pampered-Z
That's aweful low, but you might want to look into oval exhaust tubing, might gine you an extra inch of clearance?
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Yeah, oval tubing may be your best bet. Not cheap though.
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04-09-2009, 02:14 PM
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#6
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,214
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Ok, I think I'm misreading your post. Are you asking about running a 3.5" y-pipe under a lowered car or are you asking about running any size y-pipe under a car that has been lowered 3.5"? A 3.5" y-pipe is overkill unless you're making a ton of power, and a car lowered 3.5" would put it below street level, wouldn't it? 
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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04-09-2009, 02:19 PM
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#7
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Join Date: Nov 2008
Location: Edison, NJ
Posts: 764
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Quote:
Originally Posted by JL8Jeff
Ok, I think I'm misreading your post. Are you asking about running a 3.5" y-pipe under a lowered car or are you asking about running any size y-pipe under a car that has been lowered 3.5"? A 3.5" y-pipe is overkill unless you're making a ton of power, and a car lowered 3.5" would put it below street level, wouldn't it?
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Thats just what I was going to say. But if his car is really 3.5" drop then IDK lol
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~Pete~
'92 RS Heritage - Pypes Violator catback, CAI, o/r y-pipe, shortie headers, QTP-e cutout, LT1 cam, subframe connectors, struttower brace, Hurst Dual-Gate, 3.73's, much more to come, (SOLD)
01 Z28
01 Cherokee Sport -4 1/2'' lift 32'' goodyear duratracs
roofrack and other useless off road stuff
WTB: '71 Dodge Demon 340  project car
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04-09-2009, 05:51 PM
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#8
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15 Second Club
Join Date: Mar 2005
Location: Central NJ Somewhere...
Posts: 714
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Quote:
Originally Posted by JL8Jeff
Ok, I think I'm misreading your post. Are you asking about running a 3.5" y-pipe under a lowered car or are you asking about running any size y-pipe under a car that has been lowered 3.5"? A 3.5" y-pipe is overkill unless you're making a ton of power, and a car lowered 3.5" would put it below street level, wouldn't it?
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Yea... its lowered 3.5" in the front and 2.5" in the rear. Its not that low to me. I looked into the oval pipes and they look like more of a headache and expensive then they are worth. Just lookin for a few ideas from people that have done it before
__________________
1988 Pontiac Trans Am GTA - Five UhOh Power
305 LB9 TPI -500/510 Cam, Ported Heads, 24# Inj Shorty Headers, TruDual Exhaust, MagnaFlow Mufflers, T-5 Swap, LT1 10 Bolt, Lowered 2.5in. 1991 Pontiac Firebird Formula - Nightmare Project
2003 International 4300 - DT466 A5, Jerrdan 21' Rollback, Shiny Simulators.. Bling Bling Rattle Box
- iLLmINDED oNE -
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04-09-2009, 08:01 PM
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#9
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Join Date: Nov 2008
Location: Edison, NJ
Posts: 764
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Pics?
__________________
~Pete~
'92 RS Heritage - Pypes Violator catback, CAI, o/r y-pipe, shortie headers, QTP-e cutout, LT1 cam, subframe connectors, struttower brace, Hurst Dual-Gate, 3.73's, much more to come, (SOLD)
01 Z28
01 Cherokee Sport -4 1/2'' lift 32'' goodyear duratracs
roofrack and other useless off road stuff
WTB: '71 Dodge Demon 340 project car
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04-09-2009, 08:31 PM
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#10
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10 Second Club
Join Date: Aug 2005
Location: lake hopatcong
Posts: 331
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in your case oval would be best, and is not that much of a hassle.
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TMR performance
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04-09-2009, 09:06 PM
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#11
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15 Second Club
Join Date: Mar 2005
Location: Central NJ Somewhere...
Posts: 714
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I got the car in the air right now... I'm gonna quick fab a pipe and take some pics
__________________
1988 Pontiac Trans Am GTA - Five UhOh Power
305 LB9 TPI -500/510 Cam, Ported Heads, 24# Inj Shorty Headers, TruDual Exhaust, MagnaFlow Mufflers, T-5 Swap, LT1 10 Bolt, Lowered 2.5in. 1991 Pontiac Firebird Formula - Nightmare Project
2003 International 4300 - DT466 A5, Jerrdan 21' Rollback, Shiny Simulators.. Bling Bling Rattle Box
- iLLmINDED oNE -
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