03-31-2015, 02:11 PM
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#1
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GX Member
Join Date: Feb 2015
Location: Florida
Posts: 9
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Pacesetter headers install
Hey guys! I had a question regarding installing pacesetter headers for the 3.4. I just bought them from another forum member and plan on getting them installed by a shop because I don't have the necessary tools. The best quote I got was $360 if I have all the parts. Now I have the actual headers but my question is, is there any other parts that would be necessary or should it all bolt up right to the stock exhaust? (bolts, gaskets, etc)
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03-31-2015, 05:12 PM
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#2
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OSV coming soon!!!!!
Join Date: Jun 2006
Location: lindsay, ontario
Posts: 2,369
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Not sure what all you got but you might need the down pipe and the donut gasket that goes from the front cross over to the down pipe collector.... after the down pipe it should bolt up to the stock exhaust with a reducer given the headers are probably 2 1/4- 2 1/2" while stock exhaust is only 1 7/8"...
__________________
Misty: 3400, S&S headers, TCE 65mm TB, CAI, 180* TStat, Milzy motor & tranny mount, 18" BOSS 328 & much more... going osv!!
Silver: 2.4L, 5 speed, GAGT seats, front & rear STB's, all red tails, led headlights, Magnaflow muffler, Milzy Motor mount, WAI, Cosmo short shifter; sold n missed  
Tequila: 2.4L, GA interior swap, scrapped...
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03-31-2015, 06:58 PM
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#3
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Premier V.I.P. Member
Join Date: May 2011
Location: Ferdinand Indiana
Posts: 2,742
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Quote:
Originally Posted by tw0123
Not sure what all you got but you might need the down pipe and the donut gasket that goes from the front cross over to the down pipe collector.... after the down pipe it should bolt up to the stock exhaust with a reducer given the headers are probably 2 1/4- 2 1/2" while stock exhaust is only 1 7/8"...
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As long as you have the bolts and gaskets I believe that's pretty much it. Once they are on, your factory exhaust will have to be cut to proper length and the downpipe welded to it. Im sure you've read about the benefits of going ahead and opening up the rest of your exhaust, you'll loose some of the hp gain not being able to let all that freed up flow out after the header, but they'll still help.
__________________
3rd alero- 02 GX 2.2 5sp coupe. drove for 3 years 55,000 miles. Sold for a kids first car, and missed
01 Intrigue GX
2016 Chevy SS, Jet Black
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03-31-2015, 09:41 PM
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#4
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GL Member
Join Date: Nov 2012
Location: Grand Rapids, Michigan
Posts: 409
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the headers act as the downpipe as well. I got my exhaust re-done and got it switched to 2.5" from 2" so I just ran open headers to the shop.
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2004 GLS #40 of the final 500. 3500 swap and F-40 6-speed.
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03-31-2015, 11:19 PM
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#5
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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You will need a custom downpipe
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![[SIGPIC]
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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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04-01-2015, 11:11 AM
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#6
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GX Member
Join Date: Feb 2015
Location: Florida
Posts: 9
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Quote:
Originally Posted by sleepyalero
You will need a custom downpipe
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The downpipe that comes with the headers is attached already. Can't that just be attached to the rest of the exhaust? |
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04-01-2015, 11:19 AM
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#7
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GX Member
Join Date: Feb 2015
Location: Florida
Posts: 9
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This is exactly what I am receiving  |
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04-01-2015, 12:22 PM
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#8
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OSV coming soon!!!!!
Join Date: Jun 2006
Location: lindsay, ontario
Posts: 2,369
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That's not a down pipe... the down pipe attaches at the last point and is an s bend that attaches at the cat...
__________________
Misty: 3400, S&S headers, TCE 65mm TB, CAI, 180* TStat, Milzy motor & tranny mount, 18" BOSS 328 & much more... going osv!!
Silver: 2.4L, 5 speed, GAGT seats, front & rear STB's, all red tails, led headlights, Magnaflow muffler, Milzy Motor mount, WAI, Cosmo short shifter; sold n missed
Tequila: 2.4L, GA interior swap, scrapped...
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04-01-2015, 12:54 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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Yeah you need a downpipe made to bolt up to the rear header collector.
And thats interesting.... The previous owner put a flex pipe in the cross over pipe for some reason.
And tim, you mean attaches to the "cat back exhaust" stock downpipe is built in with the cat.
__________________
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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04-01-2015, 02:25 PM
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#10
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GX Member
Join Date: Feb 2015
Location: Florida
Posts: 9
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Quote:
Originally Posted by sleepyalero
Yeah you need a downpipe made to bolt up to the rear header collector.
And thats interesting.... The previous owner put a flex pipe in the cross over pipe for some reason.
And tim, you mean attaches to the "cat back exhaust" stock downpipe is built in with the cat.
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Damn, that sounds expensive. So I should call the shop and tell them I am gonna need a custom fabbed down pipe? Is that the only way of doing it? |
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04-01-2015, 02:26 PM
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#11
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Premier V.I.P. Member
Join Date: Sep 2010
Location: Howard, KS
Posts: 1,848
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Sleepy, those were my headers, i installed the flex pipe because i had problems with the crossover seperating from the coupler with spirited driving. The flex pipe fixed that.
__________________
2004 Audi TT Quattro 1.8t 
1969 Chevrolet Biscayne 2d
1963 VW Beetle
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04-01-2015, 03:18 PM
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#12
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OSV coming soon!!!!!
Join Date: Jun 2006
Location: lindsay, ontario
Posts: 2,369
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Nate.... re read what i typed... attaches at the cat not to the cat lol.... we're basically saying the same thing...
As for cost, it shouldn't cost too much for that piece...
__________________
Misty: 3400, S&S headers, TCE 65mm TB, CAI, 180* TStat, Milzy motor & tranny mount, 18" BOSS 328 & much more... going osv!!
Silver: 2.4L, 5 speed, GAGT seats, front & rear STB's, all red tails, led headlights, Magnaflow muffler, Milzy Motor mount, WAI, Cosmo short shifter; sold n missed
Tequila: 2.4L, GA interior swap, scrapped...
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04-01-2015, 03:37 PM
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#13
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GX Member
Join Date: Sep 2014
Location: London ON
Posts: 39
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ya what you have will bring you right by your steering rack on the subframe, you will need something similar to this made up. Your cat would be a few inches from where my flex is, recommended one of those as well
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3500, 5 speed, S&S Headers, 65mm TB, CAI, 2.5" Catless DP/Midpipe
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04-01-2015, 07:21 PM
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#14
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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Interesting, didnt know you did that, Sleeper.
Sorry tim! Was reading fast i guess lol
But no a custom downpipe shouldnt run you any more then 200$ really...
__________________
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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04-04-2015, 11:40 AM
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#15
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GX Member
Join Date: Sep 2014
Location: London ON
Posts: 39
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better pic to show what piece you will need made up to connect to factory exhaust, these are S&S headers but yours should sit similar
__________________
3500, 5 speed, S&S Headers, 65mm TB, CAI, 2.5" Catless DP/Midpipe
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04-04-2015, 07:19 PM
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#16
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GX Member
Join Date: Feb 2015
Location: Florida
Posts: 9
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Yeah I got it done yesterday and they custom fabbed the downpipe. I have had a straight pipe on my alero for a while and it was nice but I got my egr deleted and the headers installed and now it is frighteningly loud. I am gonna have to get a magnaflow muffler or something installed soon because it is crazy loud right now.
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04-04-2015, 10:16 PM
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#17
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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Straight pipe is gay, fix it!
__________________
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.
|
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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04-05-2015, 09:43 AM
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#18
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GX Member
Join Date: Feb 2015
Location: Florida
Posts: 9
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Quote:
Originally Posted by sleepyalero
Straight pipe is gay, fix it!
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I was thinking about just getting some flowmasters welded on. Is there any exhaust systems available for the alero or should I just get flowmaster mufflers welded on? |
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04-05-2015, 10:02 AM
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#19
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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I got flowmaster 80 on mine, love it.
__________________
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.
|
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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04-05-2015, 10:38 AM
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#20
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GX Member
Join Date: Mar 2014
Location: US
Posts: 167
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Quote:
Originally Posted by Kylemac413
I was thinking about just getting some flowmasters welded on. Is there any exhaust systems available for the alero or should I just get flowmaster mufflers welded on?
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Theres a Pacesetter catback and a Borla catback. Pacesetter is cheaper around 400$, Borla is almost 900$. They will be listed as Grand Am but they will fit with no trouble, Aleros and Grand Ams are the same thing. |
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