1973 GMC Jimmy Performance Exhaust Systems

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    • (0 reviews)
      # 139171469
      GMC Jimmy 1973, Dual Competition™ Header-Back Exhaust System Kit by Hooker®. Exhaust Type: Header-Back. Main Piping Diameter: 2.25". Muffler Series: Dual Competition™. Full stainless steel exhaust system comes complete with...
      This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing VehiclesEach system is supplied with a high-efficiency stamped crossover & high-flow TIG-welded 304 SS absorption mufflers
      $194.95 - $198.95
    • (0 reviews)
      # 139171491
      GMC Jimmy 1973, Dual Competition™ Manifold-Back Exhaust System by Hooker®. Exhaust Type: Manifold-Back. Main Piping Diameter: 2.25". Muffler Series: Dual Competition™. Hooker Manifold Back exhaust system is constructed of...
      Reducer Flex-TubesReduces Backpressure
      $228.95
    • (0 reviews)
      # 64167766
      GMC Jimmy 4WD (Four Wheel Drive) Z Engine VIN Character 1973, Super Competition™ Dual Cat-Back Exhaust System by Hooker®. Exhaust Type: Cat-Back. Muffler Series: Super Competition™. This product is made of high-quality...
      Mandrel Bent Not Press BentConsistent Inside Diameter
      $324.95
    • (0 reviews)
      # 100092193
      GMC Jimmy Y Engine VIN Character 1973, Afterburner™ Headers by Flowtech®. CARB Compliant: No. Primary Tubing Diameter: 1.625". Without A.I.R. Tubes. FLOWTECH Afterburner headers provide an optimal balance between horsepower...
      Innovative design for small block Chevy equipped vehiclesIncreases both horsepower and torque Large 3" secondary collector
      $232.95 - $402.95
    • (0 reviews)
      # 64826568
      GMC Jimmy 1973, Long Tube Headers by Flowtech®. FLOWTECH headers are precision engineered and leak tested to get maximum performance and fuel economy from your engine. Each header is formed from specially selected .060 cold roll...
      Mandrel-formed Power Plenum collectors for low backpressureConstructed of .060 cold roll flash mild steel tubing
      $148.95 - $315.95
    • (0 reviews)
      # 139171473
      GMC Jimmy 1973, Competition™ Long Tube Header by Hooker®. Series: Competition™. System Type: Long Tube Header. CARB Compliant: No. Collector Length: 8". Port Shape: Same As Port. Hooker Competition headers offer the best value...
      Provides unique styling enhancementIncreased corrosion protection ensures long service life and maintained appearance of investment
      $199.95 - $592.95
    • (0 reviews)
      # 139171495
      GMC Jimmy 1973, Super Competition™ Long Tube Header by Hooker®. Series: Super Competition™. System Type: Long Tube Header. CARB Compliant: No. Port Shape: Same As Port. All necessary hardware included for a complete...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $496.95 - $949.95
    • (0 reviews)
      # 84210554
      GMC Jimmy With Chevy Small Block Engine 1973, 604 Crate Engine Dirt Late Model Mild Steel Header Kit by Dynatech®. These 604 Crate Engine Dirt Late Model Headers have been designed specifically for use with 604 Crate Engines....
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $379.99
    • (0 reviews)
      # 84210585
      GMC Jimmy With Chevy Small Block Engine 1973, 604 Crate Engine Stainless Steel Dirt Late Model Headers by Dynatech®. These Stainless Steel 604 Crate Engine Dirt Late Model Header Kits have been designed specifically for use with...
      Engineered for 604 Crate enginesGaskets and bolts included
      $924.99
    • (0 reviews)
      # 84210557
      GMC Jimmy 5.7L With Chevy Small Block Engine 1973, Dirt Late Model Headers by Dynatech®. These Long Tube Dirt Late Model Headers are designed for use with straight or angle plug heads and standard Chevy engines.
      Gaskets and bolts includedMachine surfaced flanges - no leaks
      $309.99 - $374.99
    • (0 reviews)
      # 84210582
      GMC Jimmy 5.7L With Chevy Small Block Engine 1973, Economy Crossover Headers by Dynatech®. These Economy Crossover Headers are designed for use with a variety of engines and applications. Designed for angle or straight plug heads.
      Non-equal length design gives flat torque curve for slick tracksValve covers can be removed with header installed
      $299.99 - $319.99
    • (0 reviews)
      # 84210564
      GMC Jimmy 5.7L With Angle or Straight Plug Heads With Chevy Small Block Engine 1973, IMCA Modified Mild Steel Headers by Dynatech®. 1 Pair. These Modified Headers have been designed for use with straight or angle plug heads and...
      Made of High Quality MaterialsGaskets and bolts included
      $269.99 - $329.99
    • (0 reviews)
      # 84197978
      GMC Jimmy 5.7L With Chevy Small Block Engine 1973, IMCA Southern Sport Mod Mild Steel Headers by Dynatech®. Tube Outlet Diameter: 1.63". Collector Diameter: 3.00". Collector Length: 7.75". Flange Style: Square Port. Flange...
      Engineered for 602 Crate enginesGaskets and bolts included
      $229.99
    • (0 reviews)
      # 96830351
      GMC Jimmy 7.4L With Chevy Big Block Engine 1973, Long Tube Dragster Headers by Dynatech®. 1 Pair. These Long Tube Dragster Headers are designed with looks and performance in mind.
      CNC laser cut flanges feature raised port location for increased powerUnique port gussets eliminate cracking caused by tire shake and muffler applications
      $739.99 - $1,399.99
    • (0 reviews)
      # 84210570
      GMC Jimmy 5.7L With Chevy Small Block Engine 1973, Long Tube Pavement Late Model Headers by Dynatech®. 1 Pair. These Long Tube Pavement Late Model Headers are designed for use with Standard Chevy engines. The Long Tube design...
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $389.99 - $399.99
    • (0 reviews)
      # 84210575
      GMC Jimmy 5.7L With Chevy Small Block Engine 1973, Mid Length Modified 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)
      # 84210588
      GMC Jimmy 5.7L With Chevy Small Block Engine 1973, Mild Steel Stock Clip Headers by Dynatech®. 1 Pair. These Small IMCA Southern Sport Mod Headers have been designed for use with angle or straight plug heads. IMCA Sport Mod Legal...
      Fits standard Chevy engines with angle or straight plug headsGaskets and bolts included
      $249.99 - $309.99
    • (0 reviews)
      # 96828586
      GMC Jimmy 5.7L With Chevy Small Block Engine 1973, Pro Cruiser Block Hugger Headers by Dynatech®. 1 Pair. Includes a pair of reducers (2.50" to 2.25"). Tube Outlet Diameter: 1.63". Collector Diameter: 2.50". Flange Style: Oval...
      Improves Performance and Appearance100% stainless steel construction
      $299.99
    • (0 reviews)
      # 84210548
      GMC Jimmy 1973, Weld-up Dragster Header Kit by Dynatech®. Designed specifically for strut type front end cars and dragsters, this kit allows you to fabricate your own headers to save money or make changes to the kit to fit your...
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $349.99
    • (0 reviews)
      # 91560783
      GMC Jimmy 5.7L With Small Block Chevy Engine 1973, Raw Steel Bucket Sprint Car Style Headers, 1 5/8" Tubes, 3 1/2" Collector by Patriot Exhaust®.
      Roadster "Fad T" and '32 Hi-Boy headersChoose between the Classic or the high performance Sprint style for small and big block Chevy and small block Ford engines.
      $245.33
    • (0 reviews)
      # 91560797
      GMC Jimmy 7.4L With Big Block Chevy Engine 1973, Raw Steel Tri-5 Mid-Length Headers, 2" Tubes by Patriot Exhaust®. Header made from Steel. Collector Diameter: 3.5". Our popular 55-57 Chevy passenger car headers for small or big...
      Our popular 55-57 Chevy passenger car headers for small or big block and LS1 / LS6 swaps.Durable 18-gauge tubing
      $246.45
    • (0 reviews)
      # 91567267
      GMC Jimmy 1973, Tight Tuck Street Rod Headers by Patriot Exhaust®. Tight Tuck headers are the solution to many problems associated with engine swaps in modern street rods. Tight Tucks fit in the tightest of engine compartments and...
      Tight Tucks fit in the tightest of engine compartments and clear most stock motor mounts.Durable 16-gauge tubing
      $192.10 - $495.70
    • (0 reviews)
      # 56801669
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, 180 Crossover Headers by Schoenfeld Headers®. Comes in a set. Includes: Bolts/Studs, Gaskets. Header made from Steel. Primary Tubing Diameter: 1.625". Collector Diameter: 3". This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $253.45
    • (0 reviews)
      # 87333686
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, Chassis Headers by Schoenfeld Headers®. Comes in a kit. Includes: Bolts/Studs, Gaskets. Header made from Steel. This top-notch product by Schoenfeld Headers is made to give that...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $168.43 - $231.61
    • (0 reviews)
      # 87333692
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, Conventional Crossover 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
      $263.20 - $671.84
    • (0 reviews)
      # 87333708
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, DIRT Modified 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
      $263.20 - $302.20
    • (0 reviews)
      # 87258388
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, Demolition Derby 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
      $136.84
    • (0 reviews)
      # 87333715
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, Dirt Late Model 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
      $263.20 - $745.48
    • (0 reviews)
      # 56801691
      GMC Jimmy With Chevy Big Block Engine 7.4L 1973, Dyno Sprint Headers by Schoenfeld Headers®. Bolts & Gaskets Included. Primary Tubing Diameter: 2.125". Collector Diameter: 4". Collector Length: 13". This top-notch product by...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $341.20
    • (0 reviews)
      # 87333683
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, H Style Crossover 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
      $263.20 - $292.45
    • (0 reviews)
      # 87333751
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, IMCA Modified 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
      $168.43 - $364.99
    • (0 reviews)
      # 87333671
      GMC Jimmy 1973, Sprint Car 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 with utmost care and meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $242.14 - $644.23
    • (0 reviews)
      # 87333792
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, Stock Clip Headers by Schoenfeld Headers®. Comes in a set. Fenderwell, Painted. Includes: Bolts/Studs, Gaskets. Header made from Steel. This top-notch product by Schoenfeld Headers...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $200.02 - $292.45
    • (0 reviews)
      # 87333796
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, Street Stock 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $221.08 - $644.23
    • (0 reviews)
      # 87333803
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, Tri-Y Modified 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $644.23 - $699.46
    • (0 reviews)
      # 87258383
      GMC Jimmy With Chevy Small Block Engine 5.7L 1973, Zoomie 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
      $134.73
    • (0 reviews)
      # 97232638
      GMC Jimmy 5.0L / 5.7L 1973, Elite Ultra-Duty Full Length Headers by Hedman Hedders®. System Type: Full Length. Collector Outlet Diameter: 3". Hedman's ELITE Hedders are the best you can buy. They have thicker flanges. stronger wall...
      Made of High Quality MaterialsIdeal for Heavy Duty Applications
      $446.32 - $712.32
    • (0 reviews)
      # 97232648
      GMC Jimmy 1973, Standard Duty Full Length Headers by Hedman Hedders®. System Type: Full Length. The standard-duty Hedman Hedders come from the factory with an extremely durable, protective ceramic-metallic coating. Hedman Hedders,...
      Made of High Quality MaterialsBuilt to Last
      $174.05 - $1,206.23
    • (0 reviews)
      # 97684491
      GMC Jimmy 1973, Dual Pipe Kit by DynoMax®. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the exhaust job. Every component is manufactured from quality...
      Special reducer design allows for a variety of mounting optionsExtra long 16-gauge tailpipe with side exits and a full 2.25-in. or 2.5-in. diameter
      $166.53
    • (0 reviews)
      # 100092235
      GMC Jimmy Y Engine VIN Character 1973, 3-Bolt Reducer with O2 Sensor Fitting by Flowtech®. 3-Bolt. Flowtech understands that when you purchase a set of headers, a muffler, or even an entire exhaust system, you want to know that...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $37.50
    • (0 reviews)
      # 94962211
      GMC Jimmy 5.7L With Small Block Chevy Engine 1973, Header Bolts by Milodon®, 12 Pieces. Fastener made from Steel. 3/8" x 1". Gold irridited, grade 8, heat-treated header bolts. Compact 3/8'' hex head bolt allows use of standard non...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $7.95
    • (0 reviews)
      # 84210579
      GMC Jimmy 5.7L With Chevy Small Block Engine / With LS-Based Engines 1973, MuscleMAXX Stainless Steel Header Reducer Cone Kit by Dynatech®. Sold as kit. Dynatech® reducer cone kits for MuscleMaxx headers. Reducers bolt to 4-bolt...
      Made of High Quality MaterialsBuilt to Last
      $139.99 - $148.49
    • (0 reviews)
      # 91567277
      GMC Jimmy 5.7L With Small Block Chevy Engine 1973, Lakester Weld-Up Kit by Patriot Exhaust®. Kit includes header flanges, collector flanges, block-off plates, four exhaust hookup flanges, pre-bent header tubes and two collector...
      Give your rod a nostalgic lookWeld-up header kits work great for people who want to build custom headers
      $214.04 - $220.13
    • (0 reviews)
      # 91560790
      GMC Jimmy 7.4L With Big Block Chevy Engine 1973, Sprint Style Weld-Up Kit, 2" Tubes, 3 1/2" Collector by Patriot Exhaust®.
      These kits work great for racers who need to build custom headers when a specific fit header is not availableKits include eight mandrel bent one piece primaries, two 3/8" precision machined flanges and two collectors with mounting bolts and premium 1100 degree rated gaskets
      $189.38
    • (0 reviews)
      # 100092198
      GMC Jimmy 1973, Aluminum Header Gasket Set by Flowtech®. Includes 1 Pair Head Flange Gaskets, 1 Pair Exhaust Collector Gaskets. This product is made of high-quality materials to serve you for years to come. Designed using...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $10.04 - $13.39
    • (0 reviews)
      # 64826571
      GMC Jimmy 1973, Real-Seal™ Aluminum Header Gaskets by Flowtech®. Flowtech REAL-SEAL header and collector gaskets are a revolutionary break-through in exhaust sealing technology. Constructed of separate layers of “Dead Soft”...
      Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out
      $52.73
    • (0 reviews)
      # 64167688
      GMC Jimmy Y Engine VIN Character 1973, Super Competition™ Header Gasket by Hooker®. Series: Super Competition™. Port Shape: Square. Thickness: 0.07". Same As Port. Hooker's precision-matched Super Competition header gaskets...
      Precision fit for improved sealingSteel core provides superior adhesion
      $12.89
    • (0 reviews)
      # 84197985
      GMC Jimmy 5.7L With Chevy Small Block Engine 1973, Aluminum Adapter Plate Small Block Chevy to STAHL by Dynatech®. Sold as kit. 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)
      # 84197984
      GMC Jimmy 5.7L With Chevy Small Block Engine 1973, Fiber Header Gaskets by Dynatech®. Sold in pairs. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to fit a...
      Made of High Quality MaterialsNo Leaks
      $15.99
    • (0 reviews)
      # 84197983
      GMC Jimmy 5.7L With Chevy Small Block Engine 1973, Standard Port Gasket Kit by Dynatech®. 1 Pair. 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)
      # 102216281
      GMC Jimmy 1973, 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 and...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $13.23 - $42.99
    • (0 reviews)
      # 102216181
      GMC Jimmy 1973, Ultra-Seal™ 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...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $20.37 - $32.61
    • (0 reviews)
      # 12055526
      GMC Jimmy 1973, Exhaust Header Gaskets by Spectre Performance®. Package Quantity: 2. Includes: 2 Gaskets. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $8.52 - $19.91
    • (0 reviews)
      # 89563473
      GMC Jimmy 1973, Graph-Flex Header Flange Gaskets by Taylor Cable®. Exhaust wraps help to retain heat in your exhaust system, which increases Horsepower while reducing radiant heat damage, especially to spark plug wires in header...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $23.04
    • (0 reviews)
      # 89563602
      GMC Jimmy 5.7L 1973, Seal-4-Good Aluminum Header Flange Gasket by Taylor Cable®. Exhaust wraps help to retain heat in your exhaust system, which increases Horsepower while reducing radiant heat damage, especially to spark plug...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $33.74
    • (0 reviews)
      # 199934091
      GMC Jimmy 1973, Vibe-Lock Header Bolt Kit by Taylor Cable®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality. Designed utilizing the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.38 - $91.82
    • (0 reviews)
      # 89563591
      GMC Jimmy 1973, XX Carbon™ Header Flange Gaskets by Taylor Cable®. Exhaust wraps help to retain heat in your exhaust system, which increases Horsepower while reducing radiant heat damage, especially to spark plug wires in header...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $20.92
    • (0 reviews)
      # 17594842
      GMC Jimmy 1973, Exhaust Gasket by Edelbrock®. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. Edelbrock's gaskets are not only manufactured from extremely high...
      Fast shipping; 1-2 day delivery time regardless of where you’re locatedThe finest quality at a great price
      $14.16 - $16.95
    • (0 reviews)
      # 92771103
      GMC Jimmy 5.7L With Small Block Chevy Engine 1973, Spread Port Exhaust Gaskets by Brodix®, 1 Pair. The Brodix Exhaust Gaskets are specifically engineered to fit the precise dimensions of Brodix cylinder heads. When the competition...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $15.19
    • (0 reviews)
      # 61925860
      GMC Jimmy 1973, MLS Exhaust Head Gasket by Cometic Gasket®. Cometic MLS Gaskets are comprised of multiple layers of stainless steel providing a even load across the sealing surface. The embossed outer layers of the gaskets meet the...
      Made of High Quality MaterialsBuilt to Last
      $19.13 - $38.69




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      Are Headers Worth The Performance Improvement?
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      Are X-pipes and H-pipes Better Than Straight Pipes on Dual Exhaust Systems?
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    Popular Products

    1973 GMC Jimmy Performance Exhaust Systems Reviews

    Average rating:  4.5  4.5 - 24 reviews
    5 of 5
    Just What I Needed
    As described and at the right price. Easy, fast delivery. A great buy!
    SPosted by Susan (Smith River, CA) /
    Was this review helpful for you? Yes1  person found this review helpful.
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