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Straight Pipe

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Old Oct 8, 2014 | 07:32 PM
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LG4DriftCar's Avatar
LG4DriftCar
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From: Texas
Car: 1984 Camaro z28
Engine: LG4 v8 305ci
Transmission: 700R
Straight Pipe
I have an '84 camaro z28 that im looking to straight pipe. If i take my cat(catalytic converter) off and either empty it and put a pipe throught it or just take it off and put the outer cover on a pipe, will my check engine light come on? need to know as soon as possible
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Old Oct 8, 2014 | 10:04 PM
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macneilbibi's Avatar
macneilbibi
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10 Year Member
 
Joined: Sep 2010
Posts: 127
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From: WI
Car: 1988 Pontiac Firebird Formula WS6
Engine: 305 TPI
Transmission: T5
Axle/Gears: Borg Warner 9 bolt 3.45 gear
Re: Straight Pipe
i have a no cat on my 88 firebird tpi no check engine lights
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Old Oct 8, 2014 | 10:09 PM
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LG4DriftCar's Avatar
LG4DriftCar
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From: Texas
Car: 1984 Camaro z28
Engine: LG4 v8 305ci
Transmission: 700R
Re: Straight Pipe
Originally Posted by macneilbibi
i have a no cat on my 88 firebird tpi no check engine lights
My cat has a line running from it to somewhere in the engine bay, do you know what that is?
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Old Oct 8, 2014 | 11:08 PM
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IROCgiraffe
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From: SC
Car: '87 IROC-Z | '99 SS
Engine: LB9 | LS1
Transmission: 700R4 | T56
Re: Straight Pipe
Originally Posted by LG4DriftCar
My cat has a line running from it to somewhere in the engine bay, do you know what that is?
Cut it... It's part of the smog system. I think it runs to the air pump
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Old Oct 8, 2014 | 11:12 PM
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LG4DriftCar's Avatar
LG4DriftCar
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Joined: Jul 2014
Posts: 11
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From: Texas
Car: 1984 Camaro z28
Engine: LG4 v8 305ci
Transmission: 700R
Re: Straight Pipe
Originally Posted by IROCgiraffe
Cut it... It's part of the smog system. I think it runs to the air pump
Will it set off my check engine light? And are you sure i dont need it?
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Old Oct 8, 2014 | 11:24 PM
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IROCgiraffe
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Posts: 725
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From: SC
Car: '87 IROC-Z | '99 SS
Engine: LB9 | LS1
Transmission: 700R4 | T56
Re: Straight Pipe
Originally Posted by LG4DriftCar
Will it set off my check engine light? And are you sure i dont need it?
My CEL hasn't come one yet... been a year or so
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Old Oct 8, 2014 | 11:27 PM
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LG4DriftCar's Avatar
LG4DriftCar
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Joined: Jul 2014
Posts: 11
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From: Texas
Car: 1984 Camaro z28
Engine: LG4 v8 305ci
Transmission: 700R
Re: Straight Pipe
Alright, thanks guys
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Old Oct 10, 2014 | 05:11 AM
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83 Crossfire TA's Avatar
83 Crossfire TA
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From: DC Metro Area
Car: 87TA 87Form 71Mach1 93FleetWB 04Cum
Re: Straight Pipe
It's only a problem on cars that have secondary O2 sensors behind the cats that check for converter efficiency (OBDII cars)
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