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Old Nov 27, 2011 | 07:34 PM
  #1  
carlover3g's Avatar
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From: the ol' ohio
Car: 1990 formula
Engine: 305 tpi 5.0
formula exhaust

alright guys, heres a common question withan answer ive never really found...what to do with a catalyic converter??? the o2 senser is deffinenitly in the cat but i dont want the cat!!! now taking it off is most likly going to cause engine disputions and screw everything up right? so what do i do? really dont want an high flow either
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Old Nov 27, 2011 | 07:58 PM
  #2  
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From: Henry,IL
Car: 88Fbird,88Formula,04 GP,04 Durango
Engine: LO3,L98,3800,HEMI
Transmission: 700r4, 4l60e, 545rfe
Re: formula exhaust

The o2 sensor is not in the cat. Its in the Y pipe on the driver side under the exhaust manifold. The air tube is in the cat.
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Old Nov 27, 2011 | 08:01 PM
  #3  
carlover3g's Avatar
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From: the ol' ohio
Car: 1990 formula
Engine: 305 tpi 5.0
Re: formula exhaust

sweet well thats great news. can you explain exactly what it does lol
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Old Nov 27, 2011 | 08:01 PM
  #4  
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From: Henry,IL
Car: 88Fbird,88Formula,04 GP,04 Durango
Engine: LO3,L98,3800,HEMI
Transmission: 700r4, 4l60e, 545rfe
Re: formula exhaust

The o2 sensor or the air tube
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Old Nov 27, 2011 | 08:03 PM
  #5  
carlover3g's Avatar
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Posts: 18
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From: the ol' ohio
Car: 1990 formula
Engine: 305 tpi 5.0
Re: formula exhaust

the air tube, really id like to just cut the cat out. if possible
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Old Nov 27, 2011 | 08:08 PM
  #6  
bigj350's Avatar
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From: Henry,IL
Car: 88Fbird,88Formula,04 GP,04 Durango
Engine: LO3,L98,3800,HEMI
Transmission: 700r4, 4l60e, 545rfe
Re: formula exhaust

https://www.thirdgen.org/forums/tech...manifolds.html
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