1989 GMC G-Series Performance Exhaust Systems

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    • (0 reviews)
      # 380847225
      GMC G-Series with PRE-OBDII Models 1989, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Without Air Tube. Without O2 Sensor Port. If your car needs replacement, install one...
      $262.24 - $297.19
    • (0 reviews)
      # 448388957
      GMC G-Series with Power Steering 1989, Standard Duty Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. The standard-duty Hedman Hedders come...
      $240.04 - $629.46
    • (0 reviews)
      # 496449112
      GMC G-Series 7.4L 1989, 409 SS Upright Exhaust Headers by Flowtech®. Primary Tubing Diameter: 2.25". Collector Outlet Diameter: 4". Emissions: Racing Only. Flowtech Headers are the perfect combination of quality and value. Mandrel-bent...
      $308.95 - $350.95
    • (0 reviews)
      # mpn4511863707
      GMC G-Series Cutaway Van 5.7L 1989, Competition™ Mild Steel Black Painted Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Collector Length: 8". Emissions: Racing Only. Finish:...
      $258.95
    • (0 reviews)
      # 231095595
      GMC G-Series with Angle or Straight Plug Heads with Chevy Small Block Engine 1989, Black Painted Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Emissions: Racing...
      $319.99
    • (0 reviews)
      # 231095685
      GMC G-Series with Chevy Small Block Engine 1989, Black Painted Economy Crossover Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: Racing Only. Finish: Black Painted. Color: Black....
      $299.99
    • (0 reviews)
      # 231095612
      GMC G-Series with Chevy Small Block Engine 1989, Black Painted 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:...
      $399.99
    • (0 reviews)
      # 231095618
      GMC G-Series with Chevy Small Block Engine 1989, Mid-Length Tube Modified Exhaust Headers by Dynatech®. Emissions: Racing Only. Header Style: Mid-Length Tube. These Mid Length Modified Headers have been designed for use with straight or...
      $275.99 - $329.99
    • (0 reviews)
      # 231095586
      GMC G-Series with Chevy Small Block Engine 1989, 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 Crate...
      $379.99
    • (0 reviews)
      # 231095675
      GMC G-Series with Chevy Small Block Engine 1989, Mild Steel Black Painted Stock Clip Exhaust Headers by Dynatech®. Collector Outlet Diameter: 3". Emissions: Racing Only. Finish: Black Painted. Color: Black. Header Coating: Painted....
      $299.99 - $309.99
    • (1 review)
      # 270944041
      GMC G-Series with Chevy Small Block Engine 1989, Pro Cruiser Polished Street Rod Small Block Block Hugger Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Emissions: Racing Only. Finish:...
      $299.99
    • (0 reviews)
      # 231095658
      GMC G-Series with Chevy Small Block Engine 1989, 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...
      $924.99 - $1,062.49
    • (0 reviews)
      # 231095493
      GMC G-Series 7.4L with Chevy Big Block Engine 1989, Stainless Steel Long Tube Exhaust Headers by Dynatech®. Emissions: Racing Only. Header Style: Long Tube. These Long Tube Dragster Headers are designed with looks and performance in mind.
      $739.99 - $1,399.99
    • (0 reviews)
      # 231095664
      GMC G-Series 1989, Stainless Steel Natural Weld-up Dragster Exhaust Header Kit by Dynatech®. Emissions: Racing Only. Finish: Natural. Color: Natural. Header Coating: Uncoated. Designed specifically for strut type front end cars and...
      $399.99
    • (0 reviews)
      # mpn4351213861
      GMC G-Series 5.0L / 5.7L 1989, 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
      $263.82
    • (0 reviews)
      # 91567234
      GMC G-Series 1989, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Emissions: Racing Only. Material: Steel. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than...
      $229.26 - $270.62
    • (0 reviews)
      # 378638915
      GMC G1500 / G2500 / G3500 1989, Long Tube Exhaust Headers by Patriot Exhaust®. Collector Outlet Diameter: 3". Header Style: Long Tube. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is...
      $315.49 - $679.49
    • (0 reviews)
      # 378622663
      GMC G-Series 5.0L / 5.7L 1989, 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...
      $266.11 - $556.88
    • (0 reviews)
      # 270944019
      GMC G-Series with Small Block Chevy Engine 1989, Steel Raw Long Tube Bucket Sprint Car Style Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. Finish: Raw....
      $236.01
    • (0 reviews)
      # 231095746
      GMC G-Series 1989, Steel Tight Tuck Street Rod Exhaust Headers by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and...
      $202.89 - $530.71
    • (0 reviews)
      # 378622659
      GMC G-Series 5.0L / 5.7L 1989, 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....
      $254.08 - $512.24
    • (0 reviews)
      # mpn358950110
      GMC G-Series 7.4L with Big Block Chevy Engine 1989, Tri-5 Steel Raw Mid-Length Tube Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 2". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Finish: Raw. Color: Gray....
      $263.60
    • (0 reviews)
      # 231320721
      GMC G-Series with Chevy Small Block Engine 1989, 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 product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $666.21
    • (0 reviews)
      # 87333428
      GMC G-Series with Chevy Small Block Engine 1989, 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 is designed...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $301.92
    • (0 reviews)
      # 266643066
      GMC G-Series with Chevy Small Block Engine 1989, 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 every driver...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $144.22
    • (0 reviews)
      # 231320760
      GMC G-Series with Chevy Small Block Engine 1989, 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 product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $240.93 - $720.76
    • (0 reviews)
      # mpn359116142
      GMC G-Series 7.4L with Chevy Big Block Engine 1989, Dyno Sprint Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 2.125". Collector Length: 13". This top-notch product by Schoenfeld Headers is made to give that extra...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $340.88
    • (0 reviews)
      # 87333480
      GMC G-Series with Chevy Small Block Engine 1989, 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 is designed...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $154.18 - $348.03
    • (0 reviews)
      # 231320895
      GMC G-Series with Chevy Small Block Engine 1989, 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 product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $154.18 - $212.02
    • (0 reviews)
      # 231320974
      GMC G-Series 1989, Sprint Car Exhaust Headers by Schoenfeld Headers®. Emissions: Racing Only. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is designed with...
      $221.66 - $647.45
    • (0 reviews)
      # 266652872
      GMC G-Series with Chevy Small Block Engine 1989, Steel Painted 180 Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Finish: Painted. Header Coating: Painted. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $271.78
    • (0 reviews)
      # 231320954
      GMC G-Series with Chevy Small Block Engine 1989, Stock Clip Steel Painted Exhaust Headers by Schoenfeld Headers®. Finish: Painted. Header Coating: Painted. This top-notch product by Schoenfeld Headers is made to give that extra boost...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $198.59 - $292.18
    • (0 reviews)
      # 231321023
      GMC G-Series with Chevy Small Block Engine 1989, Street Stock Steel Painted Exhaust Headers by Schoenfeld Headers®. Finish: Painted. Header Coating: Painted. This top-notch product by Schoenfeld Headers is made to give that extra boost...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $202.38 - $656.83
    • (0 reviews)
      # 87333532
      GMC G-Series with Chevy Small Block Engine 1989, 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 is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $599.72 - $702.28
    • (0 reviews)
      # 266643608
      GMC G-Series with Chevy Small Block Engine 1989, 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 appreciates....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $133.12
    • (0 reviews)
      # 35502321
      GMC G-Series with PRE-OBDII Models 1989, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port....
      $95.90 - $184.90
    • (0 reviews)
      # 61588678
      GMC G-Series 1989, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. If your car needs replacement, install one that will...
      $144.58 - $179.52
    • (1 review)
      # 49715308
      GMC G-Series 1989, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. If your car needs...
      $77.88 - $190.52
    • (0 reviews)
      # 199202086
      GMC G1500 / G2500 / G3500 5.7L 1989, Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...
      $158.89 - $282.12
    • (0 reviews)
      # mpn4478205127
      GMC G-Series 1989, 304 SS Natural LS Turbo Crossover Tube by Hooker®. Material: 304 SS. 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...
      Choose Cross-Over Tube Based on Type of Transmission & Bell-HousingCross-Over Tubes Are 16 Gauge, Mandrel Bent 304 Stainless Steel & Include a Flex Joint & V-Band Flanges
      $199.95
    • (0 reviews)
      # 399674050
      GMC G-Series 7.4L 1989, Direct Fit Flex Pipe by Jones Exhaust®. Thoroughly engineered to perform and outperform any competition, these premium exhaust pipes by Jones Exhaust are a must for those who want to get the most out of their...
      High quality at an affordable priceExpertly made from premium materials
      $40.18 - $43.44
    • (0 reviews)
      # 231095642
      GMC G-Series with Chevy Small Block Engine / with LS-Based Engines 1989, MuscleMAXX Stainless Steel Natural Header Reducer Cone Kit by Dynatech®. Finish: Natural. Material: Stainless Steel. Dynatech® reducer cone kits for MuscleMaxx...
      Made of High Quality MaterialsBuilt to Last
      $139.99
    • (0 reviews)
      # mpn358582413
      GMC G-Series 5.0L / 5.7L 1989, 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)
      # 87333477
      GMC G-Series 1989, Header Flanges 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 attention to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $47.47 - $49.76
    • (0 reviews)
      # mpn306537478
      GMC G-Series 5.0L / 5.7L For Stock Or CNC Ported Heads 1989, 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)
      # mpn630006925
      GMC G-Series 7.4L 1989, Aluminum Header Gasket Set by Flowtech®. Material: Aluminum. 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,...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $14.13
    • (0 reviews)
      # mpn630006924
      GMC G-Series 7.4L 1989, 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
      $55.66
    • (0 reviews)
      # mpn583856284
      GMC G-Series 5.0L / 5.7L 1989, 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...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.47
    • (0 reviews)
      # 270943941
      GMC G-Series with Chevy Small Block Engine 1989, 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)
      # 270943948
      GMC G-Series with Chevy Small Block Engine 1989, Fiber Exhaust Header Gasket by Dynatech®. Material: Fiber. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to fit...
      Made of High Quality MaterialsNo Leaks
      $15.99
    • (0 reviews)
      # 270943973
      GMC G-Series with Chevy Small Block Engine 1989, 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 fit a wide...
      Made of High Quality MaterialsBuilt to Last
      $15.99
    • (0 reviews)
      # 270943978
      GMC G-Series with Chevy Small Block Engine 1989, 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 to fit a...
      Made of High Quality MaterialsSold in Pairs
      $15.99
    • (0 reviews)
      # 118585670
      GMC G-Series 1989, Exhaust Header Gaskets by Spectre Performance®. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in the market proven on the racetrack! All...
      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)
      # 270943935
      GMC G-Series with Small Block Chevy Engine 1989, Spread Port Exhaust Header Gasket by Brodix®. The Brodix Exhaust Gaskets are specifically engineered to fit the precise dimensions of Brodix cylinder heads. When the competition is on the...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $15.59
    • (0 reviews)
      # 466230476
      GMC G-Series 7.4L 1989, Multi-Layer Steel Exhaust Header Gasket by Cometic Gasket®. Material: Multi-Layer Steel. Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist...
      Made of High Quality MaterialsBuilt to Last
      $38.69
    • (0 reviews)
      # mpn4478724383
      GMC G3500 7.4L 1989, Multi-Layer Steel Exhaust Manifold Gasket by Cometic Gasket®. Material: Multi-Layer Steel. This state-of-the-art exhaust product combines advanced materials with the most current manufacturing processes to provide...
      Backed by unsurpassed quality and solid workmanshipWill deliver exceptional performance you expect to get
      $38.69
    • (0 reviews)
      # 245515994
      GMC G-Series 1989, Header Gasket by Howe Racing Enterprises®. Designed utilizing the latest technology, this product by Howe Racing Enterprises® features premium quality and will perform better than advertised. Perfect for your vehicle...
      High quality at an affordable priceExpertly made from premium materials
      $11.79
    • (0 reviews)
      # 231095711
      GMC G-Series 1989, 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 gaskets and header bolts on most applications.
      Precision machined flangeBuilt of High quality materials
      $46.51 - $66.94
    • (0 reviews)
      # 652668863
      GMC G-Series 1989, 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, and exhaust...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $23.97
    • (0 reviews)
      # 652691889
      GMC G-Series 1989, 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 premium,...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $21.54 - $23.97




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    1989 GMC G-Series Performance Exhaust Systems Reviews

    Average rating:  4  4 - 2 reviews
    3.5 of 5
    It Was To Small
    It was to small had to take it get fitted and cut down.
    CPosted by Charles (Cape Girardeau, MO) / March 13, 2018
    2007 Chevy Avalanche
    Was this review helpful for you? Yes
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