05-24-2013, 09:59 PM
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#1
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GX Member
Join Date: Oct 2011
Location: Stetsonville, Wisconsin
Posts: 107
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Exhaust System
Hello again everyone,
I had a few questions about an exhaust system for my alero. I was given an estimate of about $150 to have a system put in my car. I'm not sure if you guys would recommend anything as far as tips or mufflers go. Also my car likes to jump RPM's when climbing hills going between 2k and 2.5k RPM's, I was told this could possibly be clogged catalytic converter. So essentially I am looking at replacing from the cat all the way back. I'd honestly just like to take the cat out period and simply have a shop run straight from the exhaust manifold right down to a new muffler(s)/tips.
So whats your input as far as mufflers go as well as tips? Would or have you taken out the catalytic converter? Also isn't technically illegal to take out the converter?
__________________
Mods include: Hood scoop, Black pin stripping, cool air intake, sound system(6 1/2 front 6by9 back pioneer), 1200w amp with 12dp switch, big three upgrade.
Mods in the making: 65mm Throttle body, B&M Shift Kit, Spyder3 hood scoop, HP Tuner??, Pacesetter Header, Magnaflow High Flow cat, and Catback Exhaust System
Unfortunately there is no misplacement for displacement.
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05-24-2013, 10:13 PM
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#2
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Premier V.I.P. Member
Join Date: Sep 2010
Location: Howard, KS
Posts: 1,848
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Running no cat is illegal in most states.. when mine starts giving me trouble I'm taking mine off though since we dont have inspections in kansas.
I'd go with a flowmaster 80 series muffler and whatever tips you like..
__________________
2004 Audi TT Quattro 1.8t 
1969 Chevrolet Biscayne 2d
1963 VW Beetle
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05-24-2013, 11:42 PM
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#3
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GX Member
Join Date: Oct 2011
Location: Stetsonville, Wisconsin
Posts: 107
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Perhaps I can cut off my exhaust after the cat. I think I'll just put a steel pipe in and out of the cat, essentially make it a straight cat going through. That way it is still on but the exhaust can simply flow through. I"m sure someone will make fun of me for suggesting it =/. However, I won't get a fine for having it off and I can still use it the way I want. I will look at the flowmaster 80 series, my dad used flowmaster on his mustang 5.0 as well as his 78 trans am, and his 97 chevy.
__________________
Mods include: Hood scoop, Black pin stripping, cool air intake, sound system(6 1/2 front 6by9 back pioneer), 1200w amp with 12dp switch, big three upgrade.
Mods in the making: 65mm Throttle body, B&M Shift Kit, Spyder3 hood scoop, HP Tuner??, Pacesetter Header, Magnaflow High Flow cat, and Catback Exhaust System
Unfortunately there is no misplacement for displacement.
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05-25-2013, 12:14 AM
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#4
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GL Member
Join Date: Dec 2012
Location: Illinois
Posts: 276
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Me personally would suggest keeping the cat, but others have done it. If you decide to remove it or hollow it out, you will need a o2 simulator.
I agree on the flowmaster, I've heard one in person and it sold me on it immediately.
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05-25-2013, 12:54 AM
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#5
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GX Member
Join Date: Oct 2011
Location: Stetsonville, Wisconsin
Posts: 107
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A o2 simulator? Link? Also I priced them for about 100$ does that seem right? Also does anyone know the inches of the factory piping? I'm guessing its 2.5 or 3 inch in, of course it doesn't matter what the out is.
Edit: 2.5 inlet, any recommendations on cheap tips?
__________________
Mods include: Hood scoop, Black pin stripping, cool air intake, sound system(6 1/2 front 6by9 back pioneer), 1200w amp with 12dp switch, big three upgrade.
Mods in the making: 65mm Throttle body, B&M Shift Kit, Spyder3 hood scoop, HP Tuner??, Pacesetter Header, Magnaflow High Flow cat, and Catback Exhaust System
Unfortunately there is no misplacement for displacement.
Last edited by TaurineMike : 05-25-2013 at 01:00 AM.
Reason: Read Edit: Remark
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05-25-2013, 12:58 PM
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#6
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Moderator
Join Date: Nov 2004
Location: Long Grove, IL
Posts: 5,002
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Quote:
Originally Posted by 03Sleepr
Running no cat is illegal in most states..
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It's actually illegal in all states (Federal law). Whether or not they inspect or enforce it is another thing.
__________________
Cliff Scott
2004 Alero GX w/sport pkg - Sold, living somewhere in WI now.
2011 Saab 9-5 Turbo4 M6
2004 Corvette Convertible M6
1994 Chevy Beretta - Quad4/M5
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05-25-2013, 07:44 PM
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#7
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GX Member
Join Date: Oct 2011
Location: Stetsonville, Wisconsin
Posts: 107
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Yeah its illegal in Wisconsin but no inspections. Whats a o2 simulator? I'm defiantly thinking of just taking it off.
__________________
Mods include: Hood scoop, Black pin stripping, cool air intake, sound system(6 1/2 front 6by9 back pioneer), 1200w amp with 12dp switch, big three upgrade.
Mods in the making: 65mm Throttle body, B&M Shift Kit, Spyder3 hood scoop, HP Tuner??, Pacesetter Header, Magnaflow High Flow cat, and Catback Exhaust System
Unfortunately there is no misplacement for displacement.
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05-25-2013, 08:00 PM
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#9
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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i have no cat and rear o2 tuned out
__________________
![[SIGPIC]
[SIGPIC]](image.php?s=2efebcc02a13b39c5ebe28a5d3d436ec&u=13769&type=sigpic&dateline=1441614517)
S. . .L. . . E . . .E. . .P. . .Y. . .IS A TRAITOR--HE GOT BORED SO HE SOLD ME AFTER HAVING AN AFFAIR WITH A RICE ROCKET
Oldsnut is my Hero!
Meet Destiny, shes a 2001 Oldsmobile Alero GLS, F40 6MT swap. (#2 of 3)
2/24/14 - 200,000 miles body/motor. 22,300 on F40.
Quote:
Originally Posted by Oldsnut
He would Plasti Dip his pecker if he could.
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Quote:
Originally Posted by tipnitty
A girl touched my Pee Pee. So you can say things are getting pretty serious for me.
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05-25-2013, 08:03 PM
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#10
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GX Member
Join Date: Oct 2011
Location: Stetsonville, Wisconsin
Posts: 107
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Thanks for the info Pontiac, I learn something new everyday. I'm looking at about $140 to take out poke a hole in the cat and have a new muffler/tips put on.
__________________
Mods include: Hood scoop, Black pin stripping, cool air intake, sound system(6 1/2 front 6by9 back pioneer), 1200w amp with 12dp switch, big three upgrade.
Mods in the making: 65mm Throttle body, B&M Shift Kit, Spyder3 hood scoop, HP Tuner??, Pacesetter Header, Magnaflow High Flow cat, and Catback Exhaust System
Unfortunately there is no misplacement for displacement.
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05-25-2013, 08:04 PM
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#11
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GX Member
Join Date: Oct 2011
Location: Stetsonville, Wisconsin
Posts: 107
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Quote:
Originally Posted by sleepyalero
i have no cat and rear o2 tuned out
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How'd you manage that one? haha.
__________________
Mods include: Hood scoop, Black pin stripping, cool air intake, sound system(6 1/2 front 6by9 back pioneer), 1200w amp with 12dp switch, big three upgrade.
Mods in the making: 65mm Throttle body, B&M Shift Kit, Spyder3 hood scoop, HP Tuner??, Pacesetter Header, Magnaflow High Flow cat, and Catback Exhaust System
Unfortunately there is no misplacement for displacement.
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05-25-2013, 08:06 PM
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#12
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GL Member
Join Date: Dec 2012
Location: Illinois
Posts: 276
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Quote:
Originally Posted by TaurineMike
How'd you manage that one? haha.
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Milzy/hp tuner. |
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05-25-2013, 08:07 PM
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#13
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GL Member
Join Date: Dec 2012
Location: Illinois
Posts: 276
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Quote:
Originally Posted by TaurineMike
Thanks for the info Pontiac, I learn something new everyday. I'm looking at about $140 to take out poke a hole in the cat and have a new muffler/tips put on.
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Welcome.
Not a bad Price, I say go for it. |
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05-25-2013, 08:09 PM
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#14
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GX Member
Join Date: Oct 2011
Location: Stetsonville, Wisconsin
Posts: 107
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Quote:
Originally Posted by 04PONTIACGA
Milzy/hp tuner.
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Ah, well I'm not exactly 100% car smart but I'm still learning. I understand what HP Tuner does though  . Didn't think you could essentially mod out a sensor lol.
Yeah I will get the exhaust system when I find a job. I'm looking everywhere for a IT job.
__________________
Mods include: Hood scoop, Black pin stripping, cool air intake, sound system(6 1/2 front 6by9 back pioneer), 1200w amp with 12dp switch, big three upgrade.
Mods in the making: 65mm Throttle body, B&M Shift Kit, Spyder3 hood scoop, HP Tuner??, Pacesetter Header, Magnaflow High Flow cat, and Catback Exhaust System
Unfortunately there is no misplacement for displacement.
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05-25-2013, 09:49 PM
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#15
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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yeah i had Milzy motorsports make me a custom downpipe with no cat, and he used hpt to tune out the code basically for the rear o2 so it doesnt throw an engine code and have that pesky service light on the dash. plus it saves me from buying a new cat if it would go out and saves me from buying a second o2
__________________
S. . .L. . . E . . .E. . .P. . .Y. . .IS A TRAITOR--HE GOT BORED SO HE SOLD ME AFTER HAVING AN AFFAIR WITH A RICE ROCKET
Oldsnut is my Hero!
Meet Destiny, shes a 2001 Oldsmobile Alero GLS, F40 6MT swap. (#2 of 3)
2/24/14 - 200,000 miles body/motor. 22,300 on F40.
Quote:
Originally Posted by Oldsnut
He would Plasti Dip his pecker if he could.
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Quote:
Originally Posted by tipnitty
A girl touched my Pee Pee. So you can say things are getting pretty serious for me.
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05-25-2013, 11:20 PM
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#16
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GLS member
Join Date: Nov 2007
Location: Indiana
Posts: 3,201
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I have to o2 sim it works all summer but when it get cold I throw codes. Just swing by autzone and delete them
__________________
The number one official sedan hater
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05-25-2013, 11:42 PM
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#17
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Premier V.I.P. Member
Join Date: Sep 2010
Location: Howard, KS
Posts: 1,848
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You should just buy an ultra gauge..then you can delete your own codes..
__________________
2004 Audi TT Quattro 1.8t
1969 Chevrolet Biscayne 2d
1963 VW Beetle
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05-26-2013, 03:46 PM
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#18
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GX Member
Join Date: Oct 2011
Location: Stetsonville, Wisconsin
Posts: 107
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Quote:
Originally Posted by 03Sleepr
You should just buy an ultra gauge..then you can delete your own codes..
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http://ultra-gauge.com/ZC/index.php?main_page=product_info&cPath=1&products_ id=16&zenid=ap2t5enq4saadamj52kl8nfs57
Hmm, that's interesting. I'll have to really think about investing in one of those. Only 60$
__________________
Mods include: Hood scoop, Black pin stripping, cool air intake, sound system(6 1/2 front 6by9 back pioneer), 1200w amp with 12dp switch, big three upgrade.
Mods in the making: 65mm Throttle body, B&M Shift Kit, Spyder3 hood scoop, HP Tuner??, Pacesetter Header, Magnaflow High Flow cat, and Catback Exhaust System
Unfortunately there is no misplacement for displacement.
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