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Pontiac Grand Le Mans Headers
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Dynomax Blackjack Headers
App: 1978-1980 Pontiac Grand LeMans
Brand: Dynomax
Part #: 85121
Notes: "DYNOMAX BLACKJACK HEADER -- 1-5/8" Primary Tube And 3" Collector, 1.8" X 1.5" Oval Ports, Has Electrostatically Applied Black Paint, 100% Quality Tested, Modification To Stock Exhaust Required To Retain Catalytic Converter System, Air Conditioning Equipped Vehicles Require Bracket Part #88304 For Installation, For Applications With Oxygen Sensor Use Reducer Part #88313 For 2-1/2" 3-Bolt Flange Or Part #88314 For 3" 3-Bolt Flange, Will Fit Dart Sportsman II Angle Plug Heads, End Wrench May Be Required For Spark Plugs, Small Block Chevy V-8, Except Tall Block Truck Engines, Includes Gaskets, Reducers, Nuts, And Bolts Required For Installation, Emission Fittings Installed Where Noted, Not Legal For Sale Or Use In California On 1975 Or Later Model Catalyst-Equipped Vehicles, Except Racing Vehicles Which May Not Be Used Or Operated On A Highway, Pre-Catalyst Vehicles Must Utilize Original Emission Control Devices Which The Customer Should Reinstall, For Racing Use Only And Not Intended Or Applicable For Highway Use In All Other States, With Dynomax's 90-Day Warranty"
Finish: BlackSeries: Blackjack
App: 1978-1980 Pontiac Grand LeMans
Brand: Dynomax
Part #: 85121
Notes: "DYNOMAX BLACKJACK HEADER -- 1-5/8" Primary Tube And 3" Collector, 1.8" X 1.5" Oval Ports, Has Electrostatically Applied Black Paint, 100% Quality Tested, Modification To Stock Exhaust Required To Retain Catalytic Converter System, Air Conditioning Equipped Vehicles Require Bracket Part #88304 For Installation, For Applications With Oxygen Sensor Use Reducer Part #88313 For 2-1/2" 3-Bolt Flange Or Part #88314 For 3" 3-Bolt Flange, Will Fit Dart Sportsman II Angle Plug Heads, End Wrench May Be Required For Spark Plugs, Small Block Chevy V-8, Except Tall Block Truck Engines, Includes Gaskets, Reducers, Nuts, And Bolts Required For Installation, Emission Fittings Installed Where Noted, Not Legal For Sale Or Use In California On 1975 Or Later Model Catalyst-Equipped Vehicles, Except Racing Vehicles Which May Not Be Used Or Operated On A Highway, Pre-Catalyst Vehicles Must Utilize Original Emission Control Devices Which The Customer Should Reinstall, For Racing Use Only And Not Intended Or Applicable For Highway Use In All Other States, With Dynomax's 90-Day Warranty"
Finish: BlackSeries: Blackjack
Price: $164.43
| Make | Model | Year Range | Chassis/Engine |
| Pontiac | Grand LeMans | 1978 | 8Cyl 5.0L "Gas, Carb, 305, Vin U", 2BBL" Base |
| Pontiac | Grand LeMans | 1978 | 8Cyl 5.0L "Gas, Carb, 305, Vin U", 2BBL" Safari |
| Pontiac | Grand LeMans | 1978 - 1979 | 8Cyl 5.7L "Gas, Carb, 350, Vin L", 4BBL" Safari |
| Pontiac | Grand LeMans | 1979 - 1980 | 8Cyl 5.0L "Gas, Carb, 305, Vin H", 4BBL" Base |
| Pontiac | Grand LeMans | 1979 - 1980 | 8Cyl 5.0L "Gas, Carb, 305, Vin H", 4BBL" Safari |
Dynomax Blackjack Headers
App: 1975 Pontiac Grand LeMans
Brand: Dynomax
Part #: 85114
Notes: "DYNOMAX BLACKJACK HEADER -- 1-5/8 in. Primary Tube, 3 in. Collector, 1.8 in. X 1.4 in. Oval And D Ports, Comes With Electrostatically Applied Black Paint, 100% Quality Tested, Modification To Stock Exhaust Required To Retain Catalytic Converter System, Will Not Fit Vehicles With Ram Air Iv Or V Cylinder Heads, Some Factory Heads Do Not Have Bolt Holes In The End, Holes Must Be Drilled And Tapped To Assure Proper Seal, For Applications With Oxygen Sensor Use Reducer Part #88313 For 2 1/2 in. 3-Bolt, Flange Or Part #88314 For 3 in. 3-Bolt Flange, Will Not Fit 1975, Includes Gaskets, Reducers, Nuts, And Bolts Required For Installation, Emission Fittings Installed Where Noted, Not Legal For Sale Or Use In California On 1975 Or Later Model Catalyst-Equipped Vehicles, Except Racing Vehicles Which May Not Be Used Or Operated On A Highway, Pre-Catalyst Vehicles Must Utilize Original Emission Control Devices Which The Customer Should Reinstall, For Racing Use Only And Not Intended Or Applicable For Highway Use In All Other States, With Dynomax's 90-Day Warranty"
Finish: BlackSeries: Blackjack
App: 1975 Pontiac Grand LeMans
Brand: Dynomax
Part #: 85114
Notes: "DYNOMAX BLACKJACK HEADER -- 1-5/8 in. Primary Tube, 3 in. Collector, 1.8 in. X 1.4 in. Oval And D Ports, Comes With Electrostatically Applied Black Paint, 100% Quality Tested, Modification To Stock Exhaust Required To Retain Catalytic Converter System, Will Not Fit Vehicles With Ram Air Iv Or V Cylinder Heads, Some Factory Heads Do Not Have Bolt Holes In The End, Holes Must Be Drilled And Tapped To Assure Proper Seal, For Applications With Oxygen Sensor Use Reducer Part #88313 For 2 1/2 in. 3-Bolt, Flange Or Part #88314 For 3 in. 3-Bolt Flange, Will Not Fit 1975, Includes Gaskets, Reducers, Nuts, And Bolts Required For Installation, Emission Fittings Installed Where Noted, Not Legal For Sale Or Use In California On 1975 Or Later Model Catalyst-Equipped Vehicles, Except Racing Vehicles Which May Not Be Used Or Operated On A Highway, Pre-Catalyst Vehicles Must Utilize Original Emission Control Devices Which The Customer Should Reinstall, For Racing Use Only And Not Intended Or Applicable For Highway Use In All Other States, With Dynomax's 90-Day Warranty"
Finish: BlackSeries: Blackjack
Price: $218.78
| Make | Model | Year Range | Chassis/Engine |
| Pontiac | Grand LeMans | 1975 | 8Cyl 5.7L "Gas, Carb, 350, Vin "E", 4BBL" Base |
| Pontiac | Grand LeMans | 1975 | 8Cyl 5.7L "Gas, Carb, 350, Vin "M", 2BBL" Base |
| Pontiac | Grand LeMans | 1975 | 8Cyl 5.7L "Gas, Carb, 350, Vin H", 2BBL" Base |
| Pontiac | Grand LeMans | 1975 | 8Cyl 6.6L "Gas, Carb, 400, Vin "S", 4BBL" Base |
| Pontiac | Grand LeMans | 1975 | 8Cyl 6.6L "Gas, Carb, 400, Vin "S", 4BBL" Safari |
Flowtech Headers
App: 1980 Pontiac Grand LeMans
Brand: Flowtech
Part #: 11104
Notes: "FLOWTECH STANDARD FULL LENGTH HEADER, BLACK HI-TEMPERATURE PAINT -- 1.625 Tube Size, 3 Collector Size, Made With Light Weight And Sturdy 16 Gauge Tubing, Precision Engineered To Get The Maximum Performance And Fuel Economy Of Your Engine, Tuned-Length Primary Tubes For Street Performance, Mandrel-Bent Tubing For Smooth Exhaust Flow, Mandrel-Formed Power Plenum Collector For Low Back Pressure, Sturdy, Leak-Tested O-Ring Port Seals, Designed For Easy, Trouble-Free Installation, Includes All Mounting Hardware And Premium Gaskets, With Manufacturer's 90-Day Warranty"
Finish: Black
App: 1980 Pontiac Grand LeMans
Brand: Flowtech
Part #: 11104
Notes: "FLOWTECH STANDARD FULL LENGTH HEADER, BLACK HI-TEMPERATURE PAINT -- 1.625 Tube Size, 3 Collector Size, Made With Light Weight And Sturdy 16 Gauge Tubing, Precision Engineered To Get The Maximum Performance And Fuel Economy Of Your Engine, Tuned-Length Primary Tubes For Street Performance, Mandrel-Bent Tubing For Smooth Exhaust Flow, Mandrel-Formed Power Plenum Collector For Low Back Pressure, Sturdy, Leak-Tested O-Ring Port Seals, Designed For Easy, Trouble-Free Installation, Includes All Mounting Hardware And Premium Gaskets, With Manufacturer's 90-Day Warranty"
Finish: Black
Price: $127.40
| Make | Model | Year Range | Chassis/Engine |
| Pontiac | Grand LeMans | 1980 | 8Cyl 5.0L "Gas, Carburetor, 4 Barrel, Vin Code H" Base |
| Pontiac | Grand LeMans | 1980 | 8Cyl 5.0L "Gas, Carburetor, 4 Barrel, Vin Code H" Safari |
Flowtech Headers
App: 1980 Pontiac Grand LeMans
Brand: Flowtech
Part #: 31104
Notes: "FLOWTECH FULL LENGTH HEADER, METALLIC CERAMIC COATING -- 1.625 Tube Size, 3 Collector Size, Made With Light Weight And Sturdy 16 Gauge Tubing, Precision Engineered To Get The Maximum Performance And Fuel Economy Of Your Engine, Tuned-Length Primary Tubes, Mandrel-Bent Tubing For Smooth Exhaust Flow, Mandrel-Formed Power Plenum Collector For Low Back Pressure, Sturdy, Leak-Tested O-Ring Port Seals, Designed For Easy, Trouble-Free Installation, Includes All Mounting Hardware And Premium Gaskets, With Manufacturer's 90-Day Warranty"
App: 1980 Pontiac Grand LeMans
Brand: Flowtech
Part #: 31104
Notes: "FLOWTECH FULL LENGTH HEADER, METALLIC CERAMIC COATING -- 1.625 Tube Size, 3 Collector Size, Made With Light Weight And Sturdy 16 Gauge Tubing, Precision Engineered To Get The Maximum Performance And Fuel Economy Of Your Engine, Tuned-Length Primary Tubes, Mandrel-Bent Tubing For Smooth Exhaust Flow, Mandrel-Formed Power Plenum Collector For Low Back Pressure, Sturdy, Leak-Tested O-Ring Port Seals, Designed For Easy, Trouble-Free Installation, Includes All Mounting Hardware And Premium Gaskets, With Manufacturer's 90-Day Warranty"
Price: $292.01
| Make | Model | Year Range | Chassis/Engine |
| Pontiac | Grand LeMans | 1980 | 8Cyl 5.0L "Gas, Carburetor, 4 Barrel, Vin Code H" Base |
| Pontiac | Grand LeMans | 1980 | 8Cyl 5.0L "Gas, Carburetor, 4 Barrel, Vin Code H" Safari |
Hooker Super Competition Headers
App: 1978-1980 Pontiac Grand LeMans
Brand: Hooker
Part #: 2242HKR
Notes: "HOOKER SUPER COMPETITION HEADER, BLACK HIGH TEMPERATURE PAINT -- Full Length Tube Size 1.75 x 30 O.D, Collector Size 3 O.D, Collector Length 10, Port Shape Same As Port, Tuned-Length Primary Tubes For Street Performance, Mandrel-Bent Tubing For Smooth Exhaust Flow, Light Weight And Sturdy 16 Gauge Tubing, Long Transition Collector For Decreased Back Pressure, 5/16%X94 Machined Flanges For A Perfect Seal, All Necessary Hardware Included For A Complete Installation"
Finish: BlackSeries: Super CompetitionStyle: Full Length
App: 1978-1980 Pontiac Grand LeMans
Brand: Hooker
Part #: 2242HKR
Notes: "HOOKER SUPER COMPETITION HEADER, BLACK HIGH TEMPERATURE PAINT -- Full Length Tube Size 1.75 x 30 O.D, Collector Size 3 O.D, Collector Length 10, Port Shape Same As Port, Tuned-Length Primary Tubes For Street Performance, Mandrel-Bent Tubing For Smooth Exhaust Flow, Light Weight And Sturdy 16 Gauge Tubing, Long Transition Collector For Decreased Back Pressure, 5/16%X94 Machined Flanges For A Perfect Seal, All Necessary Hardware Included For A Complete Installation"
Finish: BlackSeries: Super CompetitionStyle: Full Length
Price: $648.87
| Make | Model | Year Range | Chassis/Engine |
| Pontiac | Grand LeMans | 1978 | 8Cyl 5.0L "Gas, CARB, 2BBL, 305, VIN "U" Base |
| Pontiac | Grand LeMans | 1978 | 8Cyl 5.0L "Gas, CARB, 2BBL, 305, VIN "U" Safari |
| Pontiac | Grand LeMans | 1978 - 1979 | 8Cyl 5.7L "Gas, CARB, 4BBL, 350, VIN "L" Safari |
| Pontiac | Grand LeMans | 1979 - 1980 | 8Cyl 5.0L "Gas, CARB, 4BBL, 305, VIN "H" Base |
| Pontiac | Grand LeMans | 1979 - 1980 | 8Cyl 5.0L "Gas, CARB, 4BBL, 305, VIN "H" Safari |
Additional Parts
Models For This Part
| Firebird | GTO | Grand Am |
| Grand Le Mans | Grand Prix | Le Mans |
| Phoenix | Sunbird | Sunfire |
| Tempest | Ventura |
Makes For This Part