TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

can a 3" cat bolt to 2.25" I pipe?

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Old Mar 30, 2001 | 03:48 AM
  #1  
Tas's Avatar
Tas
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can a 3" cat bolt to 2.25" I pipe?

I'm getting antsie.... I know you can put a 3" catback to a 2.25? cat but can you put a 2.25" I pipe to 3" cat? haha I should just run headers and a cat till the I pipe comes..

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-Tas
'89 Formula WS-6
[soon to have Hooker 1-5/8" 50 state legal headers installed]

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....

Super GRK_Taz World
EFI & Intake Options
AOL IM: superGRtaz
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Old Mar 30, 2001 | 07:34 AM
  #2  
91Bird305's Avatar
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Joined: Oct 1999
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From: Davison / Troy ,Michigan
Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
Paitence Tas...paitence....

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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html
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Old Mar 30, 2001 | 11:16 AM
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88firebirdTBI's Avatar
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From: Barnegat, New Jersey, USA
You should be able to

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Steve
88 Firebird TBI,TH700R4 - Open Element, Cat Delete, K&N filter 14*4 element, Dynomax exhaust system
1/4: 16.1@85.7
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Old Mar 30, 2001 | 11:50 AM
  #4  
CleanRS's Avatar
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From: East Atlanta
Car: 1990 LX hatch
Engine: 5.0
Transmission: t-5
Axle/Gears: stock
My buddy put a 3" cat on his 3.8 liter 97 camaro with stock exhaust. I believe there was a reducer involved.

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-John
92 RS
-L03 305
-700R4 auto.
-2.73 peg leg
-GMPP open Air Element
-Hypertech Street Runner chip
-Hypertech under drive pullies
-R&R High Flow Catalytic Converter
-Flowmaster Catback Exhaust (with NO tips)
-K&N Crankcase breather
-Kenwood CD head unit
-Kenwood 6x9 speakers in rear.
johndugan305@yahoo.com
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Old Mar 30, 2001 | 12:09 PM
  #5  
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You can hook anything to anything... A good muffler man can, anyhow. Adapters aplenty... If not, those tube bender spreader thingies can make one in about a minute.
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