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Headers, A.I.R. and Dual Cats

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Old Jul 6, 2007 | 07:19 PM
  #1  
Benny K's Avatar
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Car: 91 Z28
Engine: TPI 350
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Headers, A.I.R. and Dual Cats

Hey there!

I searched the forums now for quite some time but all I got was confused

I got a '91 L98 with Dual Cat setup.
Looking for Headers with AIR that will fit the Dual Cat exhaust system!
I found the SLP ones but sadly they do not produce them anymore :-(

I cannot remove the AIR (law here in Switzerland) and I want to keep the Dual Cats.

Are there any Headers that would "bolt-in" to my car?
Manufacturer and Part Numbers would help me sort things out!

thanks you!
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Old Jul 7, 2007 | 04:33 PM
  #2  
Benny K's Avatar
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From: Switzerland, Europe
Car: 91 Z28
Engine: TPI 350
Transmission: T5
Re: Headers, A.I.R. and Dual Cats

Anyone help me out with this?
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Old Jul 7, 2007 | 04:41 PM
  #3  
91 camaro rs's Avatar
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From: Surprise,AZ
Car: 91 rs
Engine: 305tbi
Transmission: 700r4
Axle/Gears: 3.27 9bolt
Re: Headers, A.I.R. and Dual Cats

hedman headers. in jegs magazine. like $364 with y pipe. or buy any headers and weld air tubes to them, hedman makes a kit
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Old Jul 7, 2007 | 05:02 PM
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Benny K's Avatar
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From: Switzerland, Europe
Car: 91 Z28
Engine: TPI 350
Transmission: T5
Re: Headers, A.I.R. and Dual Cats

saw it, thanks. but will the Y-pipe fit the dual cats?
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Old Jul 7, 2007 | 05:15 PM
  #5  
Benny K's Avatar
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From: Switzerland, Europe
Car: 91 Z28
Engine: TPI 350
Transmission: T5
Re: Headers, A.I.R. and Dual Cats

ah finally found it on the HEDMAN site, there are two different Y-pipes available.
HEader Part number is
Painted: 68491
HTC: 66491


Any other manufacturers than Hooker?
Im really sad about the SLP headers discontinued...they looked awesome!!!
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Old Jul 8, 2007 | 02:14 AM
  #6  
steve's Z28's Avatar
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Re: Headers, A.I.R. and Dual Cats

Yes. Edelbrock.
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Old Jul 8, 2007 | 09:39 AM
  #7  
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Car: 92 Camaro
Engine: Dart SHP 406 HSR, LE heads
Transmission: Performabuilt Level 2, Vig 3200
Axle/Gears: S60 373
Re: Headers, A.I.R. and Dual Cats

edelbrock requires welding but they fit
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Old Jul 8, 2007 | 01:08 PM
  #8  
Benny K's Avatar
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From: Switzerland, Europe
Car: 91 Z28
Engine: TPI 350
Transmission: T5
Re: Headers, A.I.R. and Dual Cats

thanks for the replies!

I think I will hunt down a pair of SLP 1 3/4" headers with AIR.

think they could be a good match for a mild 350
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Old Sep 24, 2007 | 06:45 PM
  #9  
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Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Headers, A.I.R. and Dual Cats

Here is what you need:
Attached Thumbnails Headers, A.I.R. and Dual Cats-headers-pipes.jpg  
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Old Sep 29, 2007 | 06:55 PM
  #10  
Zig's Avatar
Zig
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From: Ft Worth, TX
Car: 91 Z28 with 64,000 miles
Engine: 350 TPI
Transmission: 700R4
Re: Headers, A.I.R. and Dual Cats

Dyno Don - Are the headers pictured available?
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Old Oct 3, 2007 | 07:52 PM
  #11  
Dyno Don's Avatar
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Headers, A.I.R. and Dual Cats

Originally Posted by Zig
Dyno Don - Are the headers pictured available?


Yes they are.
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Old Oct 3, 2007 | 07:55 PM
  #12  
ryan91rs's Avatar
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From: New Philadelphia/ Canton OH
Car: 1991 RS, 84 El Camino conquista RIP
Engine: 5.0 (for now)
Transmission: 4L60
Axle/Gears: 2.xx torsen limited slip & 3.42 ope
Re: Headers, A.I.R. and Dual Cats

that's a custom setup right?
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Old Oct 3, 2007 | 09:44 PM
  #13  
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From: Ft Worth, TX
Car: 91 Z28 with 64,000 miles
Engine: 350 TPI
Transmission: 700R4
Re: Headers, A.I.R. and Dual Cats

Don - email sent
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