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4th gen borla on a 3rd gen

Old Nov 14, 2004 | 09:22 PM
  #1  
92RSZ's Avatar
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From: indiana
Car: 91 Z-28
Engine: 420 sbc
Transmission: T56
Axle/Gears: 12 bolt/4.10 gears
4th gen borla on a 3rd gen

Ok, i did a search and didnt really find a definite answer. im going to end up putting a borla catback on my 92. problem is the thirdgen tips look like ***. my question is, other than the hangers will a 4th gen setup bolt up (read: is the over axle pipe the same as on a 3rd gen). the i-pipe shouldnt be a concern because it will be connected to a mufflex y-pipe with a 4" to 3" reducer(hooker long tubes). ill be ordering the 93-95 single cat system. i just dont want to do too much hacking for $600!
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Old Nov 15, 2004 | 03:43 AM
  #2  
vejatabul's Avatar
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From: garland,tx
Car: 1988 gta
Engine: 5.7
Transmission: turbo 350
i have a mufflex 4in from a 4th gen on my 88. its the sameother than hangers/brackets. i used to sell stock take-off ls1 systems to 3rd gen guys all the time. doit.
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Old Nov 15, 2004 | 03:58 PM
  #3  
92RSZ's Avatar
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20 Year Member
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Posts: 255
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From: indiana
Car: 91 Z-28
Engine: 420 sbc
Transmission: T56
Axle/Gears: 12 bolt/4.10 gears
thats what i wanted to know. thanks a lot.
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Old Nov 15, 2004 | 04:01 PM
  #4  
THEGENERAL's Avatar
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From: Staunton,illinois
Car: 1966 impala , 1998 sebring vert,1978 buick regal turbo, 1991 chevy silverado 3/4ton 4x4 lifted
Engine: 283, 2.5,3.8 turbo 350
Transmission: powerglide,auto overdrive, th350,4L80
i had installed a new muffler a friend of mine had purchased for his 97 firebird onto our 84 z28 we had when i first got the car .........fit fine ...
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Old Nov 16, 2004 | 01:58 AM
  #5  
xtremeirocz's Avatar
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Joined: May 2003
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From: Houston-katy
Car: 1986 Irocz- Houstons Fastest Street
Engine: 408 LS1 w/ 2 stage
Transmission: Turbo 350
Axle/Gears: 3:73,3850 lbs , best of 9.92 @ 138
i put a 4 th gen borla cat back kit on my 3rd gen and it was good but could never get the tips to line up the exact way i wanted. never could figure out if it was the kit or just me
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Old Nov 19, 2004 | 02:06 AM
  #6  
ajbutowicz's Avatar
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Joined: Jun 2004
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Car: 1991 Camaro RS
Engine: Stock 305 TBI
Transmission: Stock
The exhaust on the 4th gen is offset slightly, thats probably why they didnt line up.
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Old Nov 21, 2004 | 01:56 AM
  #7  
transamshh's Avatar
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Joined: Aug 2004
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From: Baton Rouge, La
Car: 85 Trans Am
Engine: LS1
Transmission: 4L60E
I just put a 4th Gen Borla catback on my 85 Trans Am. I bought the muffler/tailpipe hangers from a 2002 fbody, it fit perfectly and the tail pipes lined up.
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Old Nov 21, 2004 | 06:56 AM
  #8  
_max_'s Avatar
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From: southeast Tennessee
it will fit just fine but you must use (all the mounting parts) from a 4thgen too
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