1985 Pontiac Grand Prix Performance Headers

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  • 5.0L
    • (0 reviews)
      # mpn4494135078
      Pontiac Grand Prix Coupe 5.0L 1985, Racing 4-1 304 SS Long Tube Exhaust Headers by Torxe™. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Color: Silver. Header Style: Long Tube. This product is...
      High quality at an affordable priceExpertly made from premium materials
      $281.25
    • (0 reviews)
      # mpn4494135082
      Pontiac Grand Prix Coupe 5.0L 1985, Street Stock Racing 4-1 Type-2 304 SS Long Tube Exhaust Headers by Torxe™. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 3". Emissions: Racing Only. Color: Silver. Header Style: Long...
      High quality at an affordable priceExpertly made from premium materials
      $281.25
    • (0 reviews)
      # 64188060
      Pontiac Grand Prix 5.0L without Angle Plug Heads 1985, Competition™ Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Collector Length: 8". Emissions: Racing Only. Header Style: Long...
      $197.95 - $632.95
    • (0 reviews)
      # 1022393116
      Pontiac Grand Prix 5.0L 1985, Super Competition™ Long Tube Exhaust Headers by Hooker®. Emissions: Racing Only. Header Style: Long Tube. All necessary hardware included for a complete installation. This product is made of high-quality...
      +1
      $508.95 - $1,083.95
    • (0 reviews)
      # 496270369
      Pontiac Grand Prix 5.0L 1985, 409 SS Upright Exhaust Headers by Flowtech®. Collector Outlet Diameter: 3". Emissions: Racing Only. Color: Silver. Header Coating: Uncoated. Flowtech Headers are the perfect combination of quality and...
      $226.95 - $247.95
    • (0 reviews)
      # mpn584304681
      Pontiac Grand Prix 5.0L 1985, Afterburner™ Mild Steel Long Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: Racing Only. Color: Black. Header Coating: Painted. Header Style:...
      Innovative design for small block Chevy equipped vehiclesIncreases both horsepower and torque Large 3" secondary collector
      $246.95
    • (0 reviews)
      # mpn630006656
      Pontiac Grand Prix 5.0L 1985, Mild Steel Long Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: Racing Only. Color: Black. Header Coating: Painted. Header Style: Long Tube....
      Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity
      $155.95
    • (0 reviews)
      # 1154702863
      Pontiac Grand Prix 5.0L with Air Conditioning with Power Steering with Gen 1 SB Chevy Engine with Automatic Transmission Column Shifter / with Automatic Transmission Floor Shifter 1985, Elite Ultra-Duty Mild Steel Exhaust Headers by...
      $599.16 - $693.87
    • (0 reviews)
      # 266668504
      Pontiac Grand Prix 5.0L with Air Conditioning without Smog Injection or Injection Heads with Power Steering with Gen 1 SB Chevy Engine with Automatic Transmission Column Shifter / with Automatic Transmission Floor Shifter 1985, Elite...
      $454.89 - $525.70
    • (0 reviews)
      # 1257461668
      Pontiac Grand Prix 5.0L 1985, Elite Ultra-Duty Street Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Color: Black. Header Coating:...
      $607.21 - $711.94
    • (0 reviews)
      # 403261422
      Pontiac Grand Prix 5.0L 1985, Elite Ultra-Duty Street Mild Steel Racing Exhaust Headers by Hedman Hedders®. Collector Outlet Diameter: 2.5". Emissions: Racing Only. Color: Black. Header Coating: Ceramic Coating. Hedman's ELITE Hedders...
      $523.25 - $711.94
    • (0 reviews)
      # 266668468
      Pontiac Grand Prix 5.0L with Air Conditioning without Smog Injection or Injection Heads with Power Steering with Angle Plug Heads 1985, Standard Duty Mid-Length Tube Racing Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter:...
      $208.92 - $1,005.86
    • (0 reviews)
      # 403261441
      Pontiac Grand Prix 1985, Standard Duty Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.5". Emissions: CARB compliant. Color: Black. Header Coating: Ceramic Coating. Header Style: Long Tube. The...
      $528.17 - $667.39
    • (0 reviews)
      # 1257544674
      Pontiac Grand Prix 5.0L 1985, Standard Duty Mild Steel Racing Exhaust Headers by Hedman Hedders®. Emissions: Racing Only. Color: Black. Header Coating: Ceramic Coating. The standard-duty Black Maxx™ Hedman Hedders come from the...
      $477.98 - $667.39
    • (0 reviews)
      # 1154695817
      Pontiac Grand Prix with Air Conditioning with Power Steering with Automatic Transmission Column Shifter / with Automatic Transmission Floor Shifter 1985, Standard Duty Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Primary...
      $263.10 - $675.81
    • (0 reviews)
      # 466733108
      Pontiac Grand Prix 5.0L with Air Conditioning without Smog Injection or Injection Heads with Power Steering with Gen 1 SB Chevy Engine with Automatic Transmission Column Shifter / with Automatic Transmission Floor Shifter 1985, Standard...
      $190.42 - $494.61
    • (0 reviews)
      # 1257735670
      Pontiac Grand Prix 5.0L with Air Conditioning with Power Steering with Angle Plug Heads with Gen 1 SB Chevy Engine with Automatic Transmission Column Shifter / with Automatic Transmission Floor Shifter 1985, Standard Duty Mild Steel...
      $299.00 - $580.80
    • (0 reviews)
      # mpn1745597142
      Pontiac Grand Prix 5.0L with Air Conditioning with Power Steering with Angle Plug Heads with A.I.R. System with Gen 1 SB Chevy Engine with Automatic Transmission Column Shifter / with Automatic Transmission Floor Shifter 1985, Standard...
      Made of High Quality MaterialsBuilt to Last
      $675.81
    • (0 reviews)
      # mpn4036603314
      Pontiac Grand Prix 5.0L 1985, Street 304 SS Mid-Length Tube Racing Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: Racing Only. Color: Black. Header Coating: Ceramic...
      High quality at an affordable priceExpertly made from premium materials
      $997.65
    • (0 reviews)
      # 231120136
      Pontiac Grand Prix 5.0L with Angle or Straight Plug Heads with Chevy Small Block Engine 1985, Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Emissions: Racing Only....
      $319.99 - $365.99
    • (0 reviews)
      # 231120187
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Long Tube Pavement Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 7.50". Emissions: Racing...
      $399.99 - $444.99
    • (0 reviews)
      # 271024434
      Pontiac Grand Prix with Chevy Small Block Engine 1985, Mild Steel 604 Crate Engine Dirt Late Model Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". Emissions: Racing Only. These 604...
      $379.99
    • (0 reviews)
      # mpn358945610
      Pontiac Grand Prix with Angle or Straight Plug Heads 1985, Mild Steel Street Stock Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 3". Collector Length: 7.38". Emissions: Racing Only. Color:...
      Made of High Quality MaterialsGaskets and bolts included
      $299.99
    • (1 review)
      # mpn358945662
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Pro Cruiser Street Rod Small Block Block Hugger Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Emissions: Racing Only. Comes...
      Improves Performance and Appearance100% stainless steel construction
      $299.99
    • (0 reviews)
      # 271024437
      Pontiac Grand Prix with Chevy Small Block Engine 1985, Stainless Steel 604 Crate Engine Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". Emissions: Racing Only. These...
      $1,062.49
    • (0 reviews)
      # mpn358945683
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Stainless Steel Weld-up Dragster Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.875"-2". Emissions: Racing Only. Color: Natural. Header Coating: Uncoated. These...
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $399.99
    • (0 reviews)
      # mpn4351213861
      Pontiac Grand Prix 5.0L 1985, Exhaust Headers by Advance Adapters®. Emissions: EPA compliant. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...
      High quality at an affordable priceExpertly made from premium materials
      $241.46
    • (0 reviews)
      # 447956367
      Pontiac Grand Prix 5.0L 1985, 4-Tube Mid-Length Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Mid-Length Tube. Doug's Headers development and design is complex and...
      3/8" Thick machined flanges...no warpingCNC mandrel bent tubes... accurate fit & better flow
      $581.93 - $596.08
    • (0 reviews)
      # 448019155
      Pontiac Grand Prix 5.0L 1985, 4-Tube Steel Long Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.75". Header Style: Long Tube. Doug's headers are carefully developed on the vehicles they are intended to fit and are...
      High quality at an affordable priceExpertly made from premium materials
      $523.31 - $716.22
    • (0 reviews)
      # mpn358955090
      Pontiac Grand Prix 5.0L with A/C 1985, 4-Tube Steel Short Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: Racing Only. Header Style: Short Tube. Doug's headers are...
      3/8" Thick machined flanges...no warpingCNC mandrel bent tubes... accurate fit & better flow
      $678.30
    • (0 reviews)
      # 448107499
      Pontiac Grand Prix 5.0L 1985, Tri-Y Long Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.625"-2". Header Style: Long Tube. This Doug's Headers product is just the option for you in case you want to get the most out...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $523.31 - $706.02
    • (0 reviews)
      # 91568911
      Pontiac Grand Prix 5.0L with Small Block Chevy Engine 1985, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Emissions: Racing Only. Material: Steel. This superior Patriot EXhaust product is just...
      $229.26 - $237.32
    • (0 reviews)
      # 378646083
      Pontiac Grand Prix 5.0L 1985, Roadster Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". This superior Patriot EXhaust product is just for you. Carefully designed for maximum...
      +1
      $255.91 - $542.26
    • (0 reviews)
      # mpn358950119
      Pontiac Grand Prix 5.0L with Small Block Chevy Engine 1985, Steel Long Tube Bucket Sprint Car Style Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. Color:...
      Expertly crafted from premium materialsQuality design and workmanship
      $236.01
    • (0 reviews)
      # 231120390
      Pontiac Grand Prix 5.0L with Small Block Chevy Engine 1985, Steel Tight Tuck Street Rod Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". This superior Patriot EXhaust product is just for you. Carefully designed for...
      $205.77 - $539.96
    • (0 reviews)
      # 378646079
      Pontiac Grand Prix 5.0L 1985, Street Rod Sprint Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. This superior Patriot EXhaust product is just for you....
      $264.28 - $512.24
    • (0 reviews)
      # 231280517
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Conventional Crossover Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $699.45
    • (0 reviews)
      # 87346423
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, DIRT Modified Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $301.92
    • (0 reviews)
      # mpn359116081
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Demolition Derby Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". This top-notch product by Schoenfeld Headers is made to give that extra boost that...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $144.22
    • (0 reviews)
      # 231280586
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Dirt Late Model Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $720.76
    • (0 reviews)
      # 902341032
      Pontiac Grand Prix 5.0L 1985, Exhaust Header by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is designed with utmost care and meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $173.46 - $401.35
    • (0 reviews)
      # 87346467
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, IMCA Modified Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $167.23 - $379.85
    • (0 reviews)
      # 231280833
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, SBC Chassis Steel Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $167.23 - $212.02
    • (0 reviews)
      # mpn359116120
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Steel 180 Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Coating: Painted. This top-notch product by...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $271.78
    • (0 reviews)
      # 231280903
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Steel Sprint Car Exhaust Headers by Schoenfeld Headers®. Emissions: Racing Only. Header Coating: Painted. This top-notch product by Schoenfeld Headers is made to give that...
      $221.66 - $662.37
    • (0 reviews)
      # 231280986
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Stock Clip Steel Exhaust Headers by Schoenfeld Headers®. Header Coating: Painted. This top-notch product by Schoenfeld Headers is made to give that extra boost that every...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $219.50 - $292.18
    • (0 reviews)
      # 266668488
      Pontiac Grand Prix 1985, Street Stock Steel Exhaust Headers by Schoenfeld Headers®. Header Coating: Painted. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $188.14 - $599.72
    • (0 reviews)
      # 87346511
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Tri-Y Modified Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $599.72 - $702.28
    • (0 reviews)
      # mpn359116012
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Zoomie Exhaust Headers by Schoenfeld Headers®. Standard Zoomie Grassburner. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $133.12
    • (0 reviews)
      # 231120219
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine / with LS-Based Engines 1985, MuscleMAXX Stainless Steel Header Reducer Cone Kit by Dynatech®. Material: Stainless Steel. Dynatech® reducer cone kits for MuscleMaxx headers....
      Made of High Quality MaterialsBuilt to Last
      $139.99
    • (0 reviews)
      # mpn358582413
      Pontiac Grand Prix 5.0L 1985, Aluminum Header Flange Kit by Moroso®. Material: Aluminum. With this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is...
      High quality at an affordable priceExpertly made from premium materials
      $115.02
    • (0 reviews)
      # mpn359115880
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Aluminum Inner Header Flange by Schoenfeld Headers®. Primary Tubing Diameter: 1.25". Material: Aluminum. This top-notch product by Schoenfeld Headers is made to give that extra...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $53.42
    • (0 reviews)
      # mpn583856284
      Pontiac Grand Prix 5.0L 1985, Super Competition™ Exhaust Header Gasket by Hooker®. Emissions: Racing Only. Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.47
    • (0 reviews)
      # 231280711
      Pontiac Grand Prix 5.0L 1985, Aluminum Header Gasket Set by Flowtech®. Emissions: CARB compliant. Material: Aluminum. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $10.60
    • (0 reviews)
      # mpn306537478
      Pontiac Grand Prix 5.0L For Stock Or CNC Ported Heads 1985, Premium Header Gasket Set by BBK®. These premium steel core graphite gaskets are flexible for a long lasting leak-proof seal even when cylinder head and header flange surfaces...
      Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won't stick to headers or cylinder head
      $39.99
    • (0 reviews)
      # mpn358945752
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Aluminum Adapter Plate by Dynatech®. Material: Aluminum. These SBC to Stahl Aluminum Adapter Plate Kits allow you to use a larger tube size to maximize power.
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $164.99
    • (0 reviews)
      # mpn358945745
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Fiber Exhaust Header Gasket by Dynatech®. Material: Fiber. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically...
      Made of High Quality MaterialsNo Leaks
      $15.99
    • (0 reviews)
      # mpn358945740
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Spread Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to...
      Made of High Quality MaterialsBuilt to Last
      $18.29
    • (0 reviews)
      # mpn358945741
      Pontiac Grand Prix 5.0L with Chevy Small Block Engine 1985, Standard Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed...
      Made of High Quality MaterialsSold in Pairs
      $18.29
    • (0 reviews)
      # 102222343
      Pontiac Grand Prix 5.0L 1985, Exhaust Gasket Set by Mr. Gasket®. Whatever exhaust system you install on your engine, whether it's a set of chromed headers or simply a set of cleaned up flat black rams horn manifolds, you'll need gaskets...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $16.20 - $39.05




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    1985 Pontiac Grand Prix Performance Headers Reviews

    Average rating:  4  4 - 1 review
    4 of 5
    Dynatech® - Polished Street Rod Small Block Block Hugger Exhaust Header
    I Have a 1967 El Camino, I was not able to use these on mine for some reason the collector would hit my cross member on both sides. I have a Chevy 350 motor. I wish they would fit, they look great.
    Posted by Don Coulter (Corona, CA) / December 28, 20161967 Chevy El Camino
    Was this review helpful for you? Yes
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