Flowtech 11170FLT HDR 64-74 PONTIAC 350-455
Flowtech 11170FLT HDR 64-74 PONTIAC 350-455
Flowtech 11170FLT HDR 64-74 PONTIAC 350-455
Flowtech 11170FLT HDR 64-74 PONTIAC 350-455
Flowtech 11170FLT HDR 64-74 PONTIAC 350-455

Flowtech 11170FLT HDR 64-74 PONTIAC 350-455

Flowtech
FLT11170FLT
1 In Stock
$415.18
$415.80
$415.18

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Flowtech 11170FLT HDR 64-74 PONTIAC 350-455

Flowtech

Flowtech 11170FLT HDR 64-74 PONTIAC 350-455

$415.80 $415.18
Flowtech 11170FLT HDR 64-74 PONTIAC 350-455
Flowtech 11170FLT HDR 64-74 PONTIAC 350-455
Flowtech 11170FLT HDR 64-74 PONTIAC 350-455
Flowtech 11170FLT HDR 64-74 PONTIAC 350-455
Flowtech 11170FLT HDR 64-74 PONTIAC 350-455

Flowtech

Flowtech 11170FLT HDR 64-74 PONTIAC 350-455

$415.80 $415.18
Description
Long Tube Headers; 1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;
Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16 flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.
  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Mandrel-Formed Power Plenum
  • Leak-proof O-Ringed Port Seals
  • Include All Mounting Hardware

Application Summary:

Year Make/Model
1970-1979 Pontiac Firebird
1973-1975 Pontiac Grand Am
1964-1966 Pontiac GTO
1968-1973 Pontiac GTO
1964-1975 Pontiac LeMans
Fitment
Year
Make
Model
Submodel
Engine
Notes
1975 - 1979
Pontiac
Firebird
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
1970 - 1974
Pontiac
Firebird
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1970 - 1974
Pontiac
Firebird
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
1970, 1972 - 1974
Pontiac
Firebird
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1970, 1972 - 1974
Pontiac
Firebird
6.6L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1971 - 1974
Pontiac
Firebird
7.5L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1970
Pontiac
Firebird
Base
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1975 - 1979
Pontiac
Firebird
Base
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
1970
Pontiac
Firebird
Base
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1971
Pontiac
Firebird
Base
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1970
Pontiac
Firebird
Esprit
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1975 - 1979
Pontiac
Firebird
Esprit
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
1970
Pontiac
Firebird
Esprit
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1971
Pontiac
Firebird
Esprit
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1970
Pontiac
Firebird
Formula
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1975 - 1979
Pontiac
Firebird
Formula
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
1970
Pontiac
Firebird
Formula
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1971
Pontiac
Firebird
Formula
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1970
Pontiac
Firebird
Trans Am
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1975
Pontiac
Firebird
Trans Am
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1970, 1972
Pontiac
Firebird
Trans Am
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1975 - 1979
Pontiac
Firebird
Trans Am
6.6L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1971
Pontiac
Firebird
Trans Am
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1975 - 1976
Pontiac
Firebird
Trans Am
7.5L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1973 - 1975
Pontiac
Grand Am
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1973, 1975
Pontiac
Grand Am
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1973 - 1974
Pontiac
Grand Am
6.6L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1973 - 1975
Pontiac
Grand Am
7.5L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1973
Pontiac
Grand Am
Base
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1973
Pontiac
Grand Am
Base
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1973
Pontiac
Grand Am
Base
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1964 - 1966, 1968 - 1973
Pontiac
GTO
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1964 - 1966
Pontiac
GTO
6.4L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1968 - 1973
Pontiac
GTO
6.6L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1970 - 1973
Pontiac
GTO
7.5L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1964
Pontiac
GTO
Base
6.4L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1968
Pontiac
GTO
Base
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1970
Pontiac
GTO
Base
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1970
Pontiac
GTO
The Judge
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1970
Pontiac
GTO
The Judge
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1964 - 1967
Pontiac
LeMans
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
1968 - 1975
Pontiac
LeMans
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1964 - 1967
Pontiac
LeMans
5.3L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
1968 - 1971, 1973 - 1974
Pontiac
LeMans
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1968 - 1971, 1973 - 1974
Pontiac
LeMans
6.6L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1970 - 1971, 1973 - 1974
Pontiac
LeMans
7.5L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1964
Pontiac
LeMans
Base
5.3L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1968, 1974
Pontiac
LeMans
Base
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1972, 1975
Pontiac
LeMans
Base
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1968
Pontiac
LeMans
Base
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1972
Pontiac
LeMans
Base
6.6L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1970
Pontiac
LeMans
Base
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1972
Pontiac
LeMans
Base
7.5L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1972, 1974
Pontiac
LeMans
Luxury
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1972
Pontiac
LeMans
Luxury
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1972
Pontiac
LeMans
Luxury
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1972
Pontiac
LeMans
Luxury
7.5L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1969, 1973 - 1974
Pontiac
LeMans
Safari
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1969, 1973
Pontiac
LeMans
Safari
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1970, 1973
Pontiac
LeMans
Safari
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1974
Pontiac
LeMans
Safari Luxury
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1974
Pontiac
LeMans
Safari Luxury
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1970, 1973 - 1974
Pontiac
LeMans
Sport
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1975
Pontiac
LeMans
Sport
5.7L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1970, 1973
Pontiac
LeMans
Sport
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1970
Pontiac
LeMans
Sport
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1972
Pontiac
LeMans
Sport
7.5L
1.625 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only
End Holes On Head Must Be Drilled And Tapped To Assure Proper Seal
1971
Pontiac
LeMans
T37
5.7L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1971
Pontiac
LeMans
T37
6.6L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
1971
Pontiac
LeMans
T37
7.5L
1-5/8 inch Tube Diameter, Standard Header; Primary Tube Coll. Size 1 5/8x3 in.; w/o Ram Air; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use;
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