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

header help

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Old Nov 23, 2012 | 07:25 PM
  #1  
Dougie91's Avatar
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Joined: Feb 2011
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From: FL
Car: 1992 Firebird convertible
Engine: 5.0 tbi
Transmission: Auto
Axle/Gears: stock, slow and steady 2.73's
header help

I have a 305tbi. I wanna get headers for it and looking for a specific part number for the hooker set. I have 2.5in exhaust with cat still and will headers bolt right up?
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Old Nov 25, 2012 | 01:58 PM
  #2  
bluers91's Avatar
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Joined: Dec 2005
Posts: 443
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From: Wild Blue Yonder
Car: 1991 RS Camaro
Engine: 350 TBI
Transmission: 700R4
Axle/Gears: 3.42 Posi
Re: header help

Have a look at the Hooker 2055's with Y pipe which allow you to retain emissions equipment. The Y pipe exits at 3 inches which is more ideal than the 2.5. It's better to go with a 3" cat & catback for performance.
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Old Nov 27, 2012 | 10:07 PM
  #3  
Dougie91's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2011
Posts: 80
Likes: 0
From: FL
Car: 1992 Firebird convertible
Engine: 5.0 tbi
Transmission: Auto
Axle/Gears: stock, slow and steady 2.73's
Re: header help

What about the 2460s ?
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Old Nov 28, 2012 | 12:47 PM
  #4  
bluers91's Avatar
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Joined: Dec 2005
Posts: 443
Likes: 2
From: Wild Blue Yonder
Car: 1991 RS Camaro
Engine: 350 TBI
Transmission: 700R4
Axle/Gears: 3.42 Posi
Re: header help

It is my understanding that they do not come with the Y pipe which can become a problem. They are not emissions equipped either. Other than that I'm sure they are good.
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Old Nov 28, 2012 | 12:48 PM
  #5  
bluers91's Avatar
Member
 
Joined: Dec 2005
Posts: 443
Likes: 2
From: Wild Blue Yonder
Car: 1991 RS Camaro
Engine: 350 TBI
Transmission: 700R4
Axle/Gears: 3.42 Posi
Re: header help

I have Hooker 2055's, 3" Cat, and 3" catback. I'd say its the best upgrade i've done so far. Gears + posi are next.
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