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Headers for Firebirds 1970-1981

 
Year Engine Brand Part Number Tube Size Collector Size Finish PS PB AC Trans
1970-81 350-455

D-port

Dynomax 85114 1 5/8" 3" P Y Y Y M/A
1977-81 403 Olds Dynomax 85030 1 3/4" 3" P Y Y Y M/A
1977-81 403 Olds Dynomax 86030 1 3/4" 3" C Y Y Y M/A
1970-79 350-455

D-port

Flowtech 11170 1 5/8" 3" P Y Y Y M/A

FS

1977-79 350-403

Olds

Flowtech 11150 1 5/8" 3" P Y Y Y M/A

FS

1970-79 350-455

D-port

Flowtech 94901 1 5/8" 3" P/C Y Y Y M/A

FS

1977-79 350-403

Olds

Flowtech 93901 1 5/8" 3" P Y Y Y M/A

FS

1970-81 326-455

D-port

Hedman 28150 1 3/4" 3" P Y Y Y M/A

FS

1970-81 326-455

D-port

Hedman 28140 1 5/8" 2,3" P Y Y Y M/A

FS

1970-81 326-455

O-Port

Hustler 35010 1 3/4" 3" P N Y N A
1970-81 326-455

O-Port

Hustler 35130 1 3/4" 3" P N Y N A
1970-81 326-455

O-Port

Hustler 35140 1 7/8" 3 1/2" P N Y N A
1970-81 326-455

D-Port

Hustler 35145 1 7/8" 3 1/2" P N Y N A
1970-81 326-455

O-Port

Hustler 35150 2" 3 1/2" P N Y N A
1970-81 326-455

D-Port

Hustler 35160 2" 3 1/2" P N Y N A
1970-74 250

Chevy

Hooker 2602 1 5/8" 2 1/2" P N Y Y M/A
1970-74 V6

Buick

Hooker 1113 1 1/2" 2 1/2" P Y Y Y M/A
1978-81 301 Hooker 4111 1 5/8" 2 1/2" P Y Y Y M/A
1970-81 326-455

D-port

Hooker 4109 1 3/4" 3" P Y Y Y M/A
1977-79 350-403

Olds

Hooker 3107 1 3/4" 3" P Y Y Y M/A
1970-81 400-455

O port

Hooker 4202 2" 3 1/2" P Y Y Y M/A
1978-81 SB Chevy Hooker 2136 1 5/8" 3 " P Y Y Y M/A
1978-81 SB Chevy Hooker 2117 1 3/4" 3 " P Y Y Y M/A
1978-81 SB Chevy rectangle Hooker 2239 1 7/8" 3 " P Y Y Y M/A
1970-79 326-455

D-port

Nunzi's 5511 1 3/4" 3" P Y Y Y M/A
1970-79 400-455

O-port

Nunzi's 5512 1 3/4" 3" P Y Y Y M/A
1970-81 400-455

O-port

Nunzi's 5513 1 7/8" 3 1/2" P Y Y Y M/A
1970-73 400-455

O-port

Nunzi's 5514 2" 3 1/2" P Y Y Y M/A
1970-73 326-455

D-port

Nunzi's 5515 2" 3 1/2" P Y Y Y M/A
1970-79 301 Nunzi's 5523 1 5/8" 2 1/2" P Y Y Y M/A
1970-1981 400-455 O-Port Ram Air Restoration RM-4   2.2" Steel or Ceramic Y Y Y M/A
1970-1981 326-455 Ram Air Restoration RM-2OS   2.2" Steel or Ceramic Y Y Y M/A

To order headers try these links:

AutoBarn.com

AutoPartsGIANT.com

1998-2010

78blackbird@thepontiactransampage.com
Feel free to drop me a note. * I am looking for some good articles for the third and fourth gen birds. If you have any that you would like to see on this site send them to me and I will post them on my site.     

  • The information in here is just an outline.
  • The author claims no responsibility for the info contained in these pages. 
  • If unsure of any tip or modification seek a professional for the job.
  • In some states this may violate pollution laws
  • Check with your state on the laws.
  • Not affiliated with Pontiac or General Motors