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true dual on a third gen

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Old Sep 14, 2001 | 09:32 PM
  #1  
NyphoFor6hrs's Avatar
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From: Gatlinburg, TN, U.S.A
true dual on a third gen

I have a 91 camaro rs with a single 30 series flow master under the passenger seat . i would love to have true duals on it and was wondering if anyone knows how to do this or have pics of this done any help will be greatly appreacited thnx
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Old Sep 15, 2001 | 12:49 AM
  #2  
fiream's Avatar
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From: Orange, CT, USA
Car: 1983 Pontiac Firebird
Engine: 400HP 350
Transmission: 700R4
Axle/Gears: 3.42
go here for my setup

http://briefcase.yahoo.com/fiream

click "performance v8"
then click "headers"

------------------
Chevy 2.8L 60° V6
Mods:
?K&N Filter Lid
?87 Formula Hood
?Bosch Platinum +4
?Hi-Flo CatCo CAT
?Flowmaster 80 Series Muffler
?83 Trans Am 15x7 Turbo Fin Wheels
?B.F.Goodrich Radial T/A 225/60-15
?Chevy 2.8L Heddman Headers (Going on soon)

Aol instant messenger: FIREAM

http://www.geocities.com/fiream/RobsCarArtPa.html?994187591828
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Old Sep 15, 2001 | 12:49 AM
  #3  
fiream's Avatar
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From: Orange, CT, USA
Car: 1983 Pontiac Firebird
Engine: 400HP 350
Transmission: 700R4
Axle/Gears: 3.42
go here for my setup

http://briefcase.yahoo.com/fiream

click "performance v8"
then click "headers"
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Old Sep 15, 2001 | 05:58 AM
  #4  
Tas's Avatar
Tas
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thats a pretty ***** up setup

------------------
-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

To be installed eventually far far far into the future: Yours if the price is right and I don't have to ship :
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz
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Old Sep 15, 2001 | 11:49 AM
  #5  
86 IROC's Avatar
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Email me, I have a few jpegs of my system off of the car. I am sending it to be coated soon. I will email you back pictures of my headers and exhaust to give you an idea of what it will take, along w/ a parts list.

------------------
1986 IROC, fully loaded, Mini Ram'd 383, Art Carr 700R4, Accel DFI, 12 bolt rear, etc, etc......
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Old Sep 15, 2001 | 12:22 PM
  #6  
89Irocz23's Avatar
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From: Panama City, FL, USA
how does that setup sound. It does looked pretty ****ed up and I hate cherry bombs. They are so restrictive. But how does it sound?
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Old Sep 15, 2001 | 01:27 PM
  #7  
fiream's Avatar
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Joined: May 2001
Posts: 1,074
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From: Orange, CT, USA
Car: 1983 Pontiac Firebird
Engine: 400HP 350
Transmission: 700R4
Axle/Gears: 3.42
i'm getting the system done at the end of the month.

I was thinking of using either CherryBombs, Purple Hornies(less restrictive) or no cherrybombs and just use supertrapps.

------------------
Chevy 2.8L 60° V6
Mods:
?K&N Filter Lid
?87 Formula Hood
?Bosch Platinum +4
?Hi-Flo CatCo CAT
?Flowmaster 80 Series Muffler
?83 Trans Am 15x7 Turbo Fin Wheels
?B.F.Goodrich Radial T/A 225/60-15
?Chevy 2.8L Heddman Headers (Going on soon)

Aol instant messenger: FIREAM

http://www.geocities.com/fiream/RobsCarArtPa.html?994187591828
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Old Sep 15, 2001 | 02:48 PM
  #8  
Tas's Avatar
Tas
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haha he did it on a model car. Smart . that might be dual exaust but its not true duals. If you just want duals, run 2 pipes in teh stock location and put the mufflers at the rear of the car. On my website I have a link to a guy that ran dual 3" exaust like that.

------------------
-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

To be installed eventually far far far into the future: Yours if the price is right and I don't have to ship :
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz
Reply
Old Sep 16, 2001 | 11:53 AM
  #9  
89Irocz23's Avatar
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From: Panama City, FL, USA
why cherry bombs? They sound like **** when u rev them. At idle they are ok but at wot its gay.
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Old Sep 16, 2001 | 02:54 PM
  #10  
fiream's Avatar
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Joined: May 2001
Posts: 1,074
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From: Orange, CT, USA
Car: 1983 Pontiac Firebird
Engine: 400HP 350
Transmission: 700R4
Axle/Gears: 3.42
I don't know, i had a cherrybomb on my car before my friend gave me his flowmaster, it sounded really nice, even going down the road, i have a sound bite on it i could upload and let you hear it.

------------------
Chevy 2.8L 60° V6
Mods:
?K&N Filter Lid
?87 Formula Hood
?Bosch Platinum +4
?Hi-Flo CatCo CAT
?Flowmaster 80 Series Muffler
?83 Trans Am 15x7 Turbo Fin Wheels
?B.F.Goodrich Radial T/A 225/60-15
?Chevy 2.8L Heddman Headers (Going on soon)

Aol instant messenger: FIREAM

http://www.geocities.com/fiream/RobsCarArtPa.html?994187591828
Reply
Old Sep 16, 2001 | 09:15 PM
  #11  
NyphoFor6hrs's Avatar
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From: Gatlinburg, TN, U.S.A
my camaro is a 5 speed and i want true dual with two 30 series flow masters is this possible or do i need to modify the under carriage to fit the mufflers i will if have to cut the wells out from under the rear seats anything to get it done
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Old Sep 17, 2001 | 01:31 PM
  #12  
MSTNG KLR's Avatar
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Joined: Mar 2001
Posts: 139
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From: MA
True dual cannot be achieved on a third gen, the closest you could get to it would look like Fireams pic of it, kinda looks like a hampster maze, lol. The flow in a system like that is probably horrible.

------------------
87' Camaro Z28
305 TPI
Stage 2 hypertech chip
160 degree thermostat
Custom ram air w/K&N's
air foil
shift kit
aluminum driveshaft
posi
VST gas ryder gas shocks
3" flowmasters
Vortex cherry bomb high flow muffler
Reply
Old Sep 17, 2001 | 01:34 PM
  #13  
fiream's Avatar
Supreme Member
 
Joined: May 2001
Posts: 1,074
Likes: 4
From: Orange, CT, USA
Car: 1983 Pontiac Firebird
Engine: 400HP 350
Transmission: 700R4
Axle/Gears: 3.42
The flow should be okay, the is a bad example of what it will look like, i'm working on another picture, th will make it look better.

------------------
Chevy 2.8L 60° V6
Mods:
?K&N Filter Lid
?87 Formula Hood
?Bosch Platinum +4
?Hi-Flo CatCo CAT
?Flowmaster 80 Series Muffler
?83 Trans Am 15x7 Turbo Fin Wheels
?B.F.Goodrich Radial T/A 225/60-15
?Chevy 2.8L Heddman Headers (Going on soon)

Aol instant messenger: FIREAM

http://www.geocities.com/fiream/RobsCarArtPa.html?994187591828
Reply
Old Sep 18, 2001 | 05:01 PM
  #14  
silver89Rs's Avatar
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Joined: Jul 2001
Posts: 82
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From: westland mi
i have seen true duals on a third gen. hes a guy from my neighbor hood there was a cross over pipe and every thing and his groung clearance wasnt bad either they ran straight from full length headers straight back to flowmasters right in front of the axle then up over and out the back looked and sounded great
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Old Sep 18, 2001 | 08:06 PM
  #15  
deadbird's Avatar
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Joined: Sep 2000
Posts: 6,775
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From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
MSTNG KLR, true dual isn't that tough on a 3rdgen

http://members.tripod.com/GRK_Taz/dualexaust.html

------------------
The mind is like a parachute, it only works when its open

[This message has been edited by deadbird (edited September 19, 2001).]
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Old Sep 18, 2001 | 09:10 PM
  #16  
Tas's Avatar
Tas
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Joined: Jul 1999
Posts: 4,310
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might not be tough, but it will be expensive to do well

------------------
-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

To be installed eventually far far far into the future: Yours if the price is right and I don't have to ship :
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz
Reply
Old Sep 18, 2001 | 09:28 PM
  #17  
deadbird's Avatar
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Joined: Sep 2000
Posts: 6,775
Likes: 27
From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
Getting close too $1k is no drop in the bucket either for a full SLP exhaust.
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Old Sep 18, 2001 | 09:39 PM
  #18  
Tas's Avatar
Tas
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Likes: 1
I wasn't even talking about headers. Duals can cost $500 for parts and labor easy after the headers. If you can do the labor yourself then it won't be as bad.

------------------
-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

To be installed eventually far far far into the future: Yours if the price is right and I don't have to ship :
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz
Reply
Old Sep 18, 2001 | 10:06 PM
  #19  
deadbird's Avatar
TGO Supporter
 
Joined: Sep 2000
Posts: 6,775
Likes: 27
From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
True Tas.

I guess since I'm so used to doing all my own stuff (especially metal) I forget about having shops work on things for me & cost. You're right.
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Old Sep 19, 2001 | 05:00 AM
  #20  
Sleipnir's Avatar
Member
 
Joined: Sep 2001
Posts: 214
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From: new bern NC
i was talkin to my dad a while back, and we were talking about straight exhaust, but i was lookin under my car the other night...and got sad, everythings all maze like...anyone know if you can run a straight exhaust pipe,better yet, duals in a thirdgen?? anyone have any info on this
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Old Sep 19, 2001 | 08:26 AM
  #21  
MSTNG KLR's Avatar
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Joined: Mar 2001
Posts: 139
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From: MA
There is just no room for true duals, if you put them on there it would have to be below the floor and way to close to the ground i think.

------------------
87' Camaro Z28
305 TPI
Stage 2 hypertech chip
160 degree thermostat
Custom ram air w/K&N's
air foil
shift kit
aluminum driveshaft
posi
VST gas ryder gas shocks
3" flowmasters
Vortex cherry bomb high flow muffler
Reply
Old Sep 19, 2001 | 02:31 PM
  #22  
fiream's Avatar
Supreme Member
 
Joined: May 2001
Posts: 1,074
Likes: 4
From: Orange, CT, USA
Car: 1983 Pontiac Firebird
Engine: 400HP 350
Transmission: 700R4
Axle/Gears: 3.42
Ture duals can be done on any car, with some perswadtion AKA: "BFH"

------------------
Chevy 2.8L 60° V6
Mods:
?K&N Filter Lid
?87 Formula Hood
?Bosch Platinum +4
?Hi-Flo CatCo CAT
?Flowmaster 80 Series Muffler
?83 Trans Am 15x7 Turbo Fin Wheels
?B.F.Goodrich Radial T/A 225/60-15
?Chevy 2.8L Heddman Headers (Going on soon)

Aol instant messenger: FIREAM

http://www.geocities.com/fiream/RobsCarArtPa.html?994187591828
Reply
Old Sep 19, 2001 | 06:05 PM
  #23  
LilJayV10's Avatar
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Posts: 2,025
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From: Evansville,IN,USA
Car: 89' T/A, 00' Firehawk
Engine: 406 Roller
Transmission: TH700R4 w/2800 stall
Axle/Gears: 3.23 Posi
dont let anyone tell you duals cant be done a 3rd gens. i was at bowling green this weekend and say a 89 formula with dual 3 inch exhaust with flowmasters. the thing sounded awesome, you cant get that sound, of the flow with single exhaust(unless you go 4 inch)the guy had long tube headers, the pipes went straight back, had a few bends, and the mufflers where under the back seats(you do have to beat the rear seats up some, but thats no big deal)after i get my car together, i am going to have the same thing done on my car. i always thought this set up would work and finally got to see it. ground clearance is not bad. not any worse than gfx IMO. also, the cost, having it done is the same as having duals put on any other car. if you go with single exhaust, you have to spend the same amount of money to go with manderl bent pipe3 or 4 inch.

------------------
Wide Open Till You See *** ...Then Brake

[This message has been edited by LilJayV10 (edited September 19, 2001).]
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Old Sep 19, 2001 | 07:57 PM
  #24  
NyphoFor6hrs's Avatar
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From: Gatlinburg, TN, U.S.A
one big thing i am worried about is ground clearnce i bottom out all the time cuz my car was lowered an inch with my car lowered do you think it is still possible to get true dual with 2.5 pipe and dual 30 series mufflers
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Old Sep 19, 2001 | 10:43 PM
  #25  
LilJayV10's Avatar
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iTrader: (5)
 
Joined: Jan 2001
Posts: 2,025
Likes: 1
From: Evansville,IN,USA
Car: 89' T/A, 00' Firehawk
Engine: 406 Roller
Transmission: TH700R4 w/2800 stall
Axle/Gears: 3.23 Posi
IMO 2.5 with an inch drop would be fine, but thats just me. i hope its ok, thats what i am planning on doing. lol.

------------------
Wide Open Till You See God...Then Brake
Reply
Old Sep 19, 2001 | 10:57 PM
  #26  
JRoy91RS's Avatar
Senior Member
 
Joined: Sep 2000
Posts: 560
Likes: 1
From: Austin TX
Car: 91 RS Convertible
Engine: 355
Transmission: 700R4
Axle/Gears: 2.73 peg leg
I don't understand. Why can't you run a pipe from each header and put one muffler each under the driver's and passenger side? After all the cat goes right under the passenger seat and there seems to be the same space under the driver's side. You could then just have a tailpipe pointing straight down right after the mufflers. What's wrong with this besides no crossover pipe and not emissions legal?

------------------
91RS convertible 355 TBI 65# inj. custom compcam grind .480/.480, Edelbrock TBI manifold, open element, hedman hedders, Y-pipe, cheap cherry bomb muffler, Hypertech cop car thermomaster, Accel coil, wires. 2.02/1.6 cast iron heads. Engine specially made by Pflugerville machine shop. Forged bottom end, balanced. Coming soon: Vacuum controlled FPR, better exhaust, Torque converter, DIY PROM, bigger TB.
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Old Sep 20, 2001 | 12:29 AM
  #27  
Tas's Avatar
Tas
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Joined: Jul 1999
Posts: 4,310
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<font face="Verdana, Arial" size="2">I don't understand. Why can't you run a pipe from each header and put one muffler each under the driver's and passenger side? After all the cat goes right under the passenger seat and there seems to be the same space under the driver's side. You could then just have a tailpipe pointing straight down right after the mufflers. What's wrong with this besides no crossover pipe and not emissions legal?</font>
Uuuum. Have you ever sat on the passangers side? the only reason they fit a cat there is beacause they banged up the floor to hell at the passengers feet.

------------------
-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

To be installed eventually far far far into the future: Yours if the price is right and I don't have to ship :
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz
Reply
Old Sep 20, 2001 | 01:00 AM
  #28  
Big454blockchevy's Avatar
Senior Member
 
Joined: Dec 2000
Posts: 640
Likes: 0
From: El Paso Texas
Car: 86 z28
Engine: Hyd. roller 498
Transmission: 700r4
Axle/Gears: 12 bolt 3.90 gears
True true duals are possible on thirdgens I also have a crossover pipe on my 86 Camaro and I have no complaints.

------------------
383 86 Camaro Z28 ---1/4 mile et&gt;13.65@103mph,,
10.5:1compression Dart Pro 1 Aluminum heads 215cc&gt;2.05/1.60 valves,400 steel crank,cam specs:224/234 at 050 525/525 lift,3500 stall converter,shift kit,4.10 gears,770 Holley Avenger,Victor Jr. Intake,true dual exh,Hooker headers with 40 series Flowmasters,MSD Coil and Module.ALSO SECOND GEN Z28---mods:454 BBC,.546 max lift(doug herbert cam ) 750 Holley vac sec. ,Edelbrock Performer manifold,Holley electric fuel pump,Hooker headers,Flowmaster mufflers,beefed up 700r4 tranny, 3.90 gears, powertrax unit, B&M console shifter.
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Old Sep 20, 2001 | 10:05 AM
  #29  
JRoy91RS's Avatar
Senior Member
 
Joined: Sep 2000
Posts: 560
Likes: 1
From: Austin TX
Car: 91 RS Convertible
Engine: 355
Transmission: 700R4
Axle/Gears: 2.73 peg leg
Actually, TAS funny you mention it, but I've only sat in the passenger's seat like once, and it was a little uncomfortable! So what you're saying is that there wouldn't be enough room on the driver's side? It looks about the same.
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Old Sep 20, 2001 | 01:48 PM
  #30  
NyphoFor6hrs's Avatar
Thread Starter
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Posts: 9
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From: Gatlinburg, TN, U.S.A
hey big454 do you have a pic of your set up so i could see how it is run
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