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Stock pipe size on 88 GTA

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Old 01-09-2003, 12:33 AM
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Stock pipe size on 88 GTA

whats the stock exhaust pipe size on a 88 L98 GTA.....my pipe is like 2.5 in. or 3 in. piping all the way back to the muffler....I want to put a Flowmaster 40 series with a dump on the car but I think it would be too loud what do you all think for a daily driver, mind you thats when I put the headers on too....AARON
Old 01-09-2003, 08:19 AM
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Car: 1982 Z28
Engine: 355
Transmission: T56
Axle/Gears: 12 Bolt
Stock intermediate pipe is 2.75" IIRC.A dump will be loud with headers if you have no cat..with a cat may not be to bad.I would go with a full cat back..if just to keep fumes out of the car.I had a dump on my Z for awhile and got tired of it quickly..always getting headaches from the fumes.
Old 01-09-2003, 03:49 PM
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Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
This may make me sound dumb, lol, but whats a "dump"?
Old 01-09-2003, 05:22 PM
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Car: 82 Berlinetta/57 Bel Air
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Axle/Gears: 12B-3.73/9"-3.89
"Dump" = "cut-out".
Old 01-09-2003, 05:27 PM
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Car: 97 Z28
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When I here "dump" I think a turndown right off the muffler.
Old 01-14-2003, 06:10 AM
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Car: 1982 T/A -1986 Z28
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Originally posted by Air_Adam
This may make me sound dumb, lol, but whats a "dump"?

yunno when yua go to the mexican restuarant and have like 3 bean burritos...and then you gotta run to the bathroom really quick....and then.....................




sorry..couldnt resist
Old 01-20-2003, 02:33 AM
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watch out there markB...I am mexican rather...of hispanic culture...and I eat mexican food every day....I don't get sick unless there is chingos of salsa...but you got a 3rd gen so your cool....AARON
Old 01-21-2003, 02:14 PM
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Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Originally posted by MarkB
yunno when yua go to the mexican restuarant and have like 3 bean burritos...and then you gotta run to the bathroom really quick....and then.....................
Hehe, good call :lala:
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