1985 Pontiac Grand Prix Performance Headers

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  • 5.0L
    • (0 reviews)
      # 266668468
      Pontiac Grand Prix 5.0L With Air Conditioning With Angle Plug Heads With Power Steering 1985, Standard Duty Shorty Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Short...
      Made of High Quality 304 SSBuilt to Last
      $212.73 - $984.75
    • (0 reviews)
      # 466807653
      Pontiac Grand Prix 1985, Standard Duty Mild Steel Black MAXX Coated Exhaust Headers by Hedman Hedders®. Finish: Black MAXX Coated. The standard-duty Black Maxx™ Hedman Hedders come from the factory with an extremely durable,...
      Made of High Quality MaterialsExtremely durable, protective SATIN BLACK ceramic-metallic coating
      $478.71 - $666.18
    • (0 reviews)
      # 266668504
      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...
      Made of High Quality MaterialsIdeal for Heavy Duty Applications
      $470.11 - $687.87
    • (0 reviews)
      # 466733108
      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...
      Made of High Quality MaterialsBuilt to Last
      $220.84 - $675.81
    • (0 reviews)
      # mpn584304681
      Pontiac Grand Prix 5.0L 1985, Afterburner™ Steel Black Painted Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: EPA compliant. Finish: Black Painted. Color: Black. Header...
      $238.95
    • (0 reviews)
      # 496179357
      Pontiac Grand Prix 5.0L 1985, Block Hugger Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Header Style: Short Tube. Flowtech Headers are the perfect combination...
      $207.95 - $310.95
    • (0 reviews)
      # mpn630006656
      Pontiac Grand Prix 5.0L 1985, Mild Steel Black Painted Long Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: EPA compliant. Finish: Black Painted. Color: Black. Header...
      $150.95
    • (0 reviews)
      # 496264362
      Pontiac Grand Prix 5.0L 1985, Ram Horn Exhaust Manifold by Flowtech®. Collector Outlet Diameter: 2.25". Emissions: EPA compliant. Flowtech exhaust manifolds are the perfect combination of quality and value. This Rams horn exhaust...
      Maximum engine clearance and maximum strengthSmooth transition, 1-5/8” diameter primaries are used for increased exhaust flow increasing performance and improving throttle response
      +1
      $207.95 - $310.95
    • (0 reviews)
      # 496455093
      Pontiac Grand Prix 5.0L 1985, Stainless Steel Upright Exhaust Headers by Flowtech®. Collector Outlet Diameter: 3". Emissions: EPA compliant. Color: Silver. Header Coating: Uncoated. Flowtech Headers are the perfect combination of...
      $219.95 - $239.95
    • (0 reviews)
      # 64188060
      Pontiac Grand Prix 5.0L W/O Angle Plug Heads 1985, Competition™ Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Collector Length: 8". Emissions: EPA compliant. Header Style: Long...
      $193.95 - $619.95
    • (0 reviews)
      # 64188066
      Pontiac Grand Prix 5.0L 1985, Super Competition™ Long Tube Exhaust Headers by Hooker®. Collector Outlet Diameter: 3". Collector Length: 10". Emissions: EPA compliant. Header Style: Long Tube. All necessary hardware included for a...
      +1
      $498.95 - $840.95
    • (0 reviews)
      # 231120136
      Pontiac Grand Prix 5.0L With Angle or Straight Plug Heads With Chevy Small Block Engine 1985, Black Painted Dirt Late Model Exhaust Headers by Dynatech®. Finish: Black Painted. These Long Tube Dirt Late Model Headers are designed for...
      Gaskets and bolts includedMachine surfaced flanges - no leaks
      $309.99 - $319.99
    • (0 reviews)
      # mpn358945592
      Pontiac Grand Prix 5.0L With Chevy Small Block Engine 1985, Black Painted Economy Crossover Exhaust Headers by Dynatech®. Finish: Black Painted. These Economy Chevy Crossover Headers are designed for use with a variety of engines and...
      Non-equal length design gives flat torque curve for slick tracksValve covers can be removed with header installed
      $299.99
    • (0 reviews)
      # 231120187
      Pontiac Grand Prix 5.0L With Chevy Small Block Engine 1985, Black Painted Long Tube Pavement Late Model Exhaust Headers by Dynatech®. Collector Length: 7.50". Finish: Black Painted. Header Style: Long Tube. These Long Tube Pavement Late...
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $389.99 - $399.99
    • (0 reviews)
      # mpn358945598
      Pontiac Grand Prix 5.0L With Angle or Straight Plug Heads With Chevy Small Block Engine 1985, IMCA Modified Mild Steel Black Painted Exhaust Headers by Dynatech®. Finish: Black Painted. These Small Block Chevy Modified Headers have been...
      Made of High Quality MaterialsGaskets and bolts included
      $269.99
    • (1 review)
      # mpn358945588
      Pontiac Grand Prix 5.0L With Chevy Small Block Engine 1985, IMCA Southern Sport Mod Mild Steel Black Painted Exhaust Headers by Dynatech®. Collector Length: 7.75". Finish: Black Painted. These Small Block Chevy IMCA Southern Sport Mod...
      Engineered for 602 Crate enginesGaskets and bolts included
      $229.99
    • (0 reviews)
      # 231120201
      Pontiac Grand Prix 5.0L With Chevy Small Block Engine 1985, Mid Length Modified Exhaust Headers by Dynatech®. These Mid Length Modified Headers have been designed for use with straight or angle plug heads.
      Fits angle or straight plug heads.Gaskets and bolts included.
      $239.99 - $309.99
    • (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®. These 604 Crate Engine Dirt Late Model Headers have been designed specifically for use with 604 Crate...
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $379.99
    • (0 reviews)
      # 231120271
      Pontiac Grand Prix 5.0L With Chevy Small Block Engine 1985, Mild Steel Black Painted Stock Clip Exhaust Headers by Dynatech®. Collector Outlet Diameter: 3". Finish: Black Painted. These Small Block Chevy IMCA Southern Sport Mod Headers...
      Fits standard Chevy engines with angle or straight plug headsGaskets and bolts included
      $249.99 - $309.99
    • (0 reviews)
      # 448026796
      Pontiac Grand Prix With Angle or Straight Plug Heads 1985, Mild Steel Black Painted Street Stock Exhaust Headers by Dynatech®. Finish: Black Painted. Clears the stock clutch linkage and engine can be in stock location or with additional...
      Made of High Quality MaterialsGaskets and bolts included
      $229.99 - $299.99
    • (1 review)
      # mpn358945662
      Pontiac Grand Prix 5.0L With Chevy Small Block Engine 1985, Pro Cruiser Polished Street Rod Small Block Block Hugger Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Finish: Polished. 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®. These Stainless Steel 604 Crate Engine Dirt Late Model Header Kits have been designed specifically for...
      Engineered for 604 Crate enginesGaskets and bolts included
      $924.99 - $1,062.49
    • (0 reviews)
      # mpn358945683
      Pontiac Grand Prix 5.0L With Chevy Small Block Engine 1985, Stainless Steel Natural Weld-up Dragster Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.875"-2". Finish: Natural. These Long Tube Big Block Chevy Dragster Header...
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $349.99
    • (0 reviews)
      # 466376390
      Pontiac Grand Prix 5.0L 1985, Exhaust Headers by Advance Adapters®. 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 in mind. It will meet your...
      High quality at an affordable priceExpertly made from premium materials
      $263.53 - $388.28
    • (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
      $560.53 - $574.40
    • (0 reviews)
      # 448019155
      Pontiac Grand Prix 5.0L 1985, 4-Tube Steel 4 Tube 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...
      High quality at an affordable priceExpertly made from premium materials
      $503.04 - $692.16
    • (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". Header Style: Short Tube. Doug's headers are carefully developed on the...
      3/8" Thick machined flanges...no warpingCNC mandrel bent tubes... accurate fit & better flow
      $675.62
    • (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
      $513.24 - $692.16
    • (0 reviews)
      # 448170705
      Pontiac Grand Prix 1985, Circle Track Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3.5". This superior Patriot EXhaust product is just for you. Carefully designed for maximum...
      Expertly crafted from premium materialsQuality design and workmanship
      $275.21 - $453.66
    • (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...
      Expertly crafted from premium materialsQuality design and workmanship
      $270.89 - $546.14
    • (0 reviews)
      # mpn358950119
      Pontiac Grand Prix 5.0L With Small Block Chevy Engine 1985, Steel Raw Bucket Sprint Car Style Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. Finish: Raw....
      $231.39
    • (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". Emissions: EPA compliant. This superior Patriot EXhaust product is just for...
      $201.73 - $528.88
    • (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". This superior Patriot EXhaust product is just for you. Carefully designed for maximum...
      Expertly crafted from premium materialsQuality design and workmanship
      $259.31 - $502.42
    • (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)
      # 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
      $163.82 - $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". This top-notch product by Schoenfeld Headers is made...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $271.78
    • (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 Natural Header Reducer Cone Kit by Dynatech®. Finish: Natural. Material: Stainless Steel. Dynatech® reducer cone kits for...
      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)
      # 91568911
      Pontiac Grand Prix 5.0L with Small Block Chevy Engine 1985, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Material: Steel. Give your rod a nostalgic look with our Lakester style weld-up kits. Fits T-Buckets, Model A's, 32-34...
      Perfect blend of style, quality, and dependabilityGive your rod a nostalgic look
      $224.77 - $232.67
    • (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
      $35.99
    • (0 reviews)
      # 652550862
      Pontiac Grand Prix 5.0L 1985, Real-Seal™ Aluminum Exhaust Header Gaskets by Flowtech®. Material: Aluminum. Flowtech REAL-SEAL header and collector gaskets are a revolutionary break-through in exhaust sealing technology. Constructed of...
      Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out
      $54.04 - $54.05
    • (0 reviews)
      # mpn583856284
      Pontiac Grand Prix 5.0L 1985, Super Competition™ Exhaust Header Gasket by Hooker®. Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality gasket is constructed of...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.21
    • (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
      $159.99
    • (0 reviews)
      # mpn358945740
      Pontiac Grand Prix 5.0L With Chevy Small Block Engine 1985, Exhaust Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to fit a wide variety...
      Made of High Quality MaterialsBuilt to Last
      $15.99
    • (0 reviews)
      # mpn358945741
      Pontiac Grand Prix 5.0L With Chevy Small Block Engine 1985, Exhaust Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to fit a wide variety...
      Made of High Quality MaterialsSold in Pairs
      $15.99
    • (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)
      # 12056356
      Pontiac Grand Prix 5.0L 1985, Compressed Ceramic Fiber Exhaust Header Gaskets by Spectre Performance®. Material: Compressed Ceramic Fiber. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $8.69 - $17.37
    • (0 reviews)
      # mpn584600114
      Pontiac Grand Prix 5.0L With Small Block Chevy Engine 1985, Spread Port Exhaust Gasket by Brodix®. The Brodix Exhaust Gaskets are specifically engineered to fit the precise dimensions of Brodix cylinder heads. When the competition is on...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $15.59
    • (0 reviews)
      # mpn358587986
      Pontiac Grand Prix 5.0L 1985, Header Gasket by Howe Racing Enterprises®.
      High quality at an affordable priceExpertly made from premium materials
      $11.93
    • (0 reviews)
      # 231120367
      Pontiac Grand Prix 5.0L With Small Block Chevy Engine 1985, Header Flange Kit by Patriot Exhaust®. Patriot precision machined header flange kits are available for many popular engine families. Header flange kits come complete with...
      Precision machined flangeBuilt of High quality materials
      $46.20 - $59.77
    • (0 reviews)
      # 652358885
      Pontiac Grand Prix 5.0L 1985, Graph-Flex Header Flange Gaskets by Percy's High Performance®. Persy's High Performance makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged motors,...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $23.97
    • (0 reviews)
      # 652839852
      Pontiac Grand Prix 5.0L 1985, Graph-Flex™ Exhaust Header Gaskets by Percy's High Performance®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $21.54 - $23.97
    • (0 reviews)
      # 652184848
      Pontiac Grand Prix 5.0L 1985, HTR Collector Gaskets by Percy's High Performance®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality. Designed utilizing...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.86 - $18.77
    • (0 reviews)
      # 652629888
      Pontiac Grand Prix 5.0L 1985, Seal-4-Good™ Aluminum Header Flange Gaskets by Percy's High Performance®. Material: Aluminum. Percy's High Performance makes exhaust manifold and collector gaskets that will withstand the temperatures...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $35.11
    • (0 reviews)
      # 652483872
      Pontiac Grand Prix 5.0L 1985, Seal-4-Good™ Exhaust Header Gaskets by Percy's High Performance®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $35.11
    • (0 reviews)
      # 378646062
      Pontiac Grand Prix 5.0L 1985, Seal-4-Good™ Exhaust Header Gaskets by Percy's High Performance®. The Percy's Seal-4-Good Reusable Flange Gaskets are multi-layered and made from a special "Dead Soft" Aluminum, which conforms to header...
      Built to match your exact requirementsHigh quality you can rely on
      $33.24
    • (0 reviews)
      # mpn4483467622
      Pontiac Grand Prix 5.0L 1985, Seal-4-Good™ Round Header Flange Gaskets by Percy's High Performance®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $35.11




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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.
    DPosted by Don (Corona, CA) / December 28, 2016
    1967 Chevy El Camino
    Was this review helpful for you? Yes

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