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My True Dual 3 Inch Exhaust

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Old 10-19-2012, 12:12 AM
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Car: 87 iroc
Engine: 454 .030 over
Transmission: th-350
Axle/Gears: 9 bolt
My True Dual 3 Inch Exhaust

This is pretty much in the stock location, although i did do a bit of hammering to the floor pans to make it fit.
Transmission cross member modification
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Old 10-19-2012, 12:31 AM
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Car: 89 CHEVY IROC-Z28
Engine: 355 Built/High Performance
Transmission: 700R4 Swap For T56
Axle/Gears: 3.73 Posi
Re: My True Dual 3 Inch Exhaust

oh man i want this exhaust
Old 10-19-2012, 12:48 AM
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Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Re: My True Dual 3 Inch Exhaust

Looks a little illegal without the cat. LOL. Just kidding man. That looks cool as hell man. Are those Borla mufflers? You may wanna fab some Turndown tips so that the hot exhaust does melt your rear bumper.
Old 10-19-2012, 11:33 AM
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Car: 87 iroc
Engine: 454 .030 over
Transmission: th-350
Axle/Gears: 9 bolt
Re: My True Dual 3 Inch Exhaust

i figured the cat was the least of my worries when i had a 13 to 1 compression 454 running on leaded race gas, and i have a set of turn downs on it now, the exhaust was turning the rear bumper all black and sutty
Old 10-19-2012, 11:38 AM
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Re: My True Dual 3 Inch Exhaust


Old 10-19-2012, 11:10 PM
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Re: My True Dual 3 Inch Exhaust

Nice work and nice welding.
Old 10-19-2012, 11:48 PM
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Car: 92 T/A 'vert
Engine: Mild .040 over L98 4 bolt mains
Transmission: Mostly stock 700R4, 2600 Vigilante
Axle/Gears: LS1 3.42
Re: My True Dual 3 Inch Exhaust

Old 10-20-2012, 12:49 PM
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Re: My True Dual 3 Inch Exhaust

Good ideas there!!

Got more pics of the passenger side frame rail modifications?

Got pics of how you got over the axle with dual 3" pipe?
Old 10-20-2012, 03:39 PM
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Car: 1989 Camaro RS/ 1992 Camaro z28
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Transmission: borge warner t-56/ tremech t-56
Axle/Gears: 10 bolt, 3.55/ dayna 44(viper) 3.07
Re: My True Dual 3 Inch Exhaust

Are those long tube headers? And how close it that to the tail shaft
Old 10-20-2012, 07:10 PM
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Re: My True Dual 3 Inch Exhaust

Originally Posted by ChevyRS-305
Are those long tube headers? And how close it that to the tail shaft
Yes, those are long tubes
Old 10-20-2012, 08:37 PM
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Re: My True Dual 3 Inch Exhaust

Looks good and sounds fantastic!!!

Mark.
Old 10-22-2012, 07:25 AM
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Re: My True Dual 3 Inch Exhaust

Whoa... That looks great! Either that camera handles loud sounds really well, or its got a pretty nice tone/db to it! I was expecting the camera mic to get blasted out when you revved it.

I think I speak for everyone...when I say Ide like to see some flybye and in car vids of how that sounds!!!

Great work!

J.
Old 12-28-2012, 10:03 AM
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Car: 1986 BBC Iroc
Engine: 454
Transmission: th400
Axle/Gears: 3.42
Re: My True Dual 3 Inch Exhaust

what headers are those
Old 12-31-2012, 12:30 PM
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Car: 1987 T/A WS6 T-Tops/92 RS
Engine: LB9/3.1
Transmission: 700R4/700R4
Axle/Gears: 2.73/3.23
Re: My True Dual 3 Inch Exhaust

Very nice work and welding man,the only thing I'm not in love with is the mufflers at the rear, but you do have them tucked good.
Old 12-31-2012, 12:47 PM
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Re: My True Dual 3 Inch Exhaust

Nice design.
Where any mods necessary to the panhard bar or brace where you go over the axle?
Is there a chance of clear look at how it follows the torque arm and driveshaft?
It's getting me to thinking of better ways to incorporate a pressure wave tuning chamber into one of these cars.
Old 01-18-2013, 05:47 AM
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Car: 1984 Trans Am 15th anniversary
Engine: L69
Transmission: 700r
Axle/Gears: 3:73
Re: My True Dual 3 Inch Exhaust

Very nice. The only thing I hate about these cars is the spare tire well does not allow even placement of the mufflers in the rear.
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