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  • Dynatech   Stainless 5.7L Hemi Stainless Steel Header Flange, Left Side
    Dynatech Stainless 5.7L Hemi Stainless Steel Header Flange, Left Side
    x
                

    A great exhaust system starts at the begining - the exhaust manifold flange. One of Dynatech®'s biggest advantages is the wide selection of port machined flanges. All the header flanges are CNC laser machined for unparalleled quality and fit.

    • For Mopar/Dodge/Chrysler 5.7L HEMI V-8
    • Flanges are sold individually
    • Use with Stainless Gaskets
    • Fits left side

    NOTE: Flanges for Drivers side and Passenger side are different.   

  • Dynatech   Stainless 5.7L Hemi Stainless Steel Header Flange, Right Side
    Dynatech Stainless 5.7L Hemi Stainless Steel Header Flange, Right Side
    x
                

    A great exhaust system starts at the begining - the exhaust manifold flange. One of Dynatech®'s biggest advantages is the wide selection of port machined flanges. All the header flanges are CNC laser machined for unparalleled quality and fit.

    • For Mopar/Dodge/Chrysler 5.7L HEMI V-8
    • Flanges are sold individually
    • Use with Stainless Gaskets
    • Fits right side

    NOTE: Flanges for Drivers side and Passenger side are different.   

  • Dynatech   Big Block Chevy Steel Header Flange, 2.224 Port, 5/16 Inch Thick
    Dynatech Big Block Chevy Steel Header Flange, 2.224 Port, 5/16 Inch Thick
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    A great exhaust system starts at the begining - the exhaust manifold flange.  One of Dynatech®s biggest advantages is the wide selection of port machined flanges. All the header flanges are CNC laser machined for unparalleled quality and fit.

    1. Flanges are sold individually.
    2. Use with Fiber Gaskets.

    Fits Big Block Chevrolet heads.

  • Tight-Tubes Extension Kit, Mild Steel
    Tight-Tubes Extension Kit, Mild Steel
    x
                Using this kit makes the hook-up of your exhaust system a snap! The 2-1/2" diameter, 16-gauge, mandrel-bent tubes curve back at a 90° angle and are offset outward to clear the bellhousing and starter. They drop 10-1/2" from the header flange and they extend backward 17-1/2" after the 90 degree bend. 

    Just trim the length, weld on the 3/8" thick collector flange (included, with gaskets) and you're all set! Works great with any tight-fit headers. Header not included.

  • Dynatech   Spread Port Chevy Mild Steel Header Flange, 2 Inch Port, 2.070 I.D.
    Dynatech Spread Port Chevy Mild Steel Header Flange, 2 Inch Port, 2.070 I.D.
    x
                A great exhaust system starts at the begining - the exhaust manifold flange. One of  Dynatech®s  biggest advantages is the wide selection of port machined  flanges. All the header flanges are CNC laser machined for unparalleled  quality and fit.
    • Small Block Chevy
    • Flanges are sold individually
    • Use with Fiber Gaskets (part number 3117940000)
  • Dynatech   Spread Port Chevy Mild Steel Header Flange, 2.125 Port, 2.196 I.D.
    Dynatech Spread Port Chevy Mild Steel Header Flange, 2.125 Port, 2.196 I.D.
    x
                A great exhaust system starts at the begining - the exhaust manifold flange. One of  Dynatech®s  biggest advantages is the wide selection of port machined  flanges. All the header flanges are CNC laser machined for unparalleled  quality and fit.
    • Small Block Chevy
    • Flanges are sold individually
    • Use with Fiber Gaskets (part number 3117940000)
  • Dynatech   Spread Port Chevy Mild Steel Header Flange, 1.875 Port, 1.95 I.D.
    Dynatech Spread Port Chevy Mild Steel Header Flange, 1.875 Port, 1.95 I.D.
    x
                A great exhaust system starts at the begining - the exhaust manifold flange. One of  Dynatech®s  biggest advantages is the wide selection of port machined  flanges. All the header flanges are CNC laser machined for unparalleled  quality and fit.
    • Small Block Chevy
    • Flanges are sold individually
    • Use with Fiber Gaskets (part number 3117940000)
  • Dynatech 796-60514 LS Mild Steel Header Flange, 1-7/8 Port
    Dynatech 796-60514 LS Mild Steel Header Flange, 1-7/8 Port
    x
                

    A great exhaust system starts at the begining - the exhaust manifold flange. One of Dynatech®s biggest advantages is the wide selection of port machined flanges. All the header flanges are CNC laser machined for unparalleled quality and fit.

    • Flanges are sold individually
    • Use with Fiber Gaskets (at right)
     

     

  • Tight-Fit Stainless Steel Small Block Chevy Block Hugger Headers
    Tight-Fit Stainless Steel Small Block Chevy Block Hugger Headers
    x
                Please view the product's page for more information
            
  • Dynatech Stainless Steel LS Header Flange, 1.940 Inch Port, 3/8 Inch Thick
    Dynatech Stainless Steel LS Header Flange, 1.940 Inch Port, 3/8 Inch Thick
    x
                A great exhaust system starts at the begining - the exhaust manifold flange. One of Dynatech®s  biggest advantages is the wide selection of port machined flanges. All the header flanges are CNC laser machined for unparalleled quality and fit. 
    • For GM LS1 V-8 engines
    • Flanges are sold individually
    • Use with Stainless Gaskets
  • Dynatech Stainless Steel LS Header Flange, 1.820 Inch Port, 3/8 Inch Thick
    Dynatech Stainless Steel LS Header Flange, 1.820 Inch Port, 3/8 Inch Thick
    x
                A great exhaust system starts at the begining - the exhaust manifold flange. One of Dynatech®s  biggest advantages is the wide selection of port machined flanges. All the header flanges are CNC laser machined for unparalleled quality and fit. 
    • For GM LS1 V-8 engines
    • Flanges are sold individually
    • Use with Stainless Gaskets
  • Tight-Tubes Extension Kit, Stainless Steel
    Tight-Tubes Extension Kit, Stainless Steel
    x
                Using this kit makes the hook-up of your exhaust system a snap! The 2-1/2" diameter, 16-gauge, mandrel-bent tubes curve back at a 90° angle and are offset outward to clear the bellhousing and starter. They drop 10-1/2" from the header flange and they extend backward 17-1/2" after the 90 degree bend. 

    Just trim the length, weld on the 3/8" thick collector flange (included, with gaskets) and you're all set! Works great with any tight-fit headers. Header not included.

  • Flathead Center Dump Headers, Chrome
    Flathead Center Dump Headers, Chrome
    x
                

    Now available in CHROME! Improve the performance and exhaust note of your 1932-53 flathead Ford V8 with these affordable, high-quality tubular steel headers. They have a compact center-dump design. The center-dump design will not work on Ford cars with stock wishbones.

    Includes:

    • Block gaskets
    • Collector gaskets
    • Pair of companion 2-1/2" flanges for beginning the exhaust system (companion flanges fit 2-1/2" pipe).

    Chrome Warning: Due to a revised chroming process brought on by recent EPA regulations and high labor costs, today's chrome is not the quality of days gone by. Be Aware: Exhaust components which are chrome plated are now much more susceptible to blueing, blistering, peeling & corrosion. No warranty or returns on chrome exhaust items once them have been installed.

    Not legal for sale or use in California on pollution controlled vehicles

     

     

  • 1955-57 Chevy Chassis Headers for Rack and Pinion, Stainless Steel
    1955-57 Chevy Chassis Headers for Rack and Pinion, Stainless Steel
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                If you are running our Unisteer rack & pinion, you will need these headers. They allow the steering shaft to pass through on the driver's side and are a shorty style for maximum ground clearance. Features 1-5/8" primaries with a 3" collector.
    • Tubing Thickness:  12 gauge (.103")
    • Header Flange Thickness:  0.30"
    • Exhaust Flange Thickness:  0.3760"
    • Stainless steel finish

    Fits 283-400 S/B Chevy V8s with straight plug heads.

    Header Dimensions (GIF) 

    Note: Will not fit 168 tooth flywheels or kickout aftermarket starters. Will not fit manual transmission cars with factory Z bar clutch linkage

    Note: Stainless header tubing when exposed to exhaust temperature will cause the finish to change color which will vary with the exhaust temperature. Please note that the finish of the header when the engine is started, will change to a light champagne color

  • Flathead Center Dump Headers, Stainless
    Flathead Center Dump Headers, Stainless
    x
                Please view the product's page for more information
            
  • Flathead Center Dump Headers, AHC
    Flathead Center Dump Headers, AHC
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    Improve the performance and exhaust note of your 1932-53 flathead Ford V8 with these affordable, high-quality tubular steel headers. They have a compact center-dump design. The center-dump design will not work on Ford cars with stock wishbones. These ceramic coated headers provide superior protection and durability.

    • Block flange on these headers is 5/16" thick
    • Collector Flange Outlet: 2-1/2"
    • Not for use with stock wishbone front suspension

    Includes block gaskets, collector gaskets and a pair of companion 2-1/2" flanges for beginning the exhaust system (companion flanges fit 2-1/2" pipe).

  • GM 5.3/6.0 Truck Exhaust Flanges, Mild Steel, 2.5 Inch
    GM 5.3/6.0 Truck Exhaust Flanges, Mild Steel, 2.5 Inch
    x
                

    You just bought your LS and plan on using the factory exhaust manifolds, but noticed they have odd shaped collector flanges. Now what? These flanges bolt to the factory factory manifold and allow for a smooth installation. Flanges are 3/8" thick.

    Specify driver or passenger side.

  • Small Block Chevy Lake Style Header Kit, 1-5/8 Tube, 3-1/2 Inch Cone
    Small Block Chevy Lake Style Header Kit, 1-5/8 Tube, 3-1/2 Inch Cone
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    Vintage style street rods are hotter than ever, and nothing gives your fenderless rod an authentic dry lakes competition look like a set of lakester headers. These lake style header kits allow you to build your own headers and tailor them to your vehicle. All tubing comes pre-bent. Tapered cones can be trimmed as needed. Lakester header kit includes parts to complete both sides.

    • 5/16" thick flanges
    • 16 ga. pre-bent tubing
    • Collector flanges w/ block-off plates
    • Flanges for connecting an under-car exhaust system (2.5" O.D.)
    • Gaskets & bolts
  • Big Block Chevy Fenderwell Headers for 1955-57 Chevy, Black
    Big Block Chevy Fenderwell Headers for 1955-57 Chevy, Black
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    These fender well headers provide the ultimate performance for 396-502 big block Chevy V8s in 1955-57 Chevy car applications. They kick up over the frame rail and exit just at the bottom of the cowl, which makes them perfect for Gasser-style rods and drag cars. Plus, these headers feature long primary tubes that help produce more horsepower and torque than shorter, more compact headers.

    These headers are not for the faint of heart since you must cut the inner fender panels to make them fit, and tire clearance can be a problem on some applications. They may require smaller front tires to avoid contact. The stock emergency brake rod must also be altered. Can be used with most oil filter systems or transmission and starter combinations. The headers are designed to be used with engines in the stock location, not lowered as many kits do, so all '55-'57 cars should check motor mount positioning before ordering.

    • Header flange has 1-13/16” x 1-13/16" port size
    • Will require fender well cutting or alteration
    • High temp black paint finish
    • Includes bolts and gaskets
    • Note: This header actually goes upward from the head instead of down before dropping over the frame rails. From the top of the head flange to the top of the tubes is approximately 9-1/2". 

    Header Dimensions (GIF)

  • GM 5.3/6.0 Truck Exhaust Flanges, Mild Steel, 2.25 Inch
    GM 5.3/6.0 Truck Exhaust Flanges, Mild Steel, 2.25 Inch
    x
                

    You just bought your LS and plan on using the factory exhaust manifolds, but noticed they have odd shaped collector flanges. Now what? These flanges bolt to the factory factory manifold and allow for a smooth installation. Flanges are 3/8" thick.

    Specify driver or passenger side.

  • GM F-Body LS1 Exhaust Flanges, Mild Steel
    GM F-Body LS1 Exhaust Flanges, Mild Steel
    x
                

    You just bought your LS1 and plan on using the factory exhaust manifolds, but noticed they have odd shaped collector flanges. Now what? These flanges bolt to the factory factory manifold and allow for a smooth installation. Flanges are 3/8" thick.

    Specify driver or passenger side.

  • Small Block Chevy Header Kit, 1-7/8 Standard Port, 3-1/2 Collector
    Small Block Chevy Header Kit, 1-7/8 Standard Port, 3-1/2 Collector
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    Save money by welding and assembling your own headers! These small block Chevy header kits will work for many racing and rodding applications. It includes everything you need to assemble a pair of high-quality headers: eight mandrel-bent primary tubes, two pre-formed collectors, two extra-thick standard-port flanges, two gaskets, and 12 header bolts.

    Designed for the seasoned, hands-on enthusiasts, this kit will require some cutting, fitting and welding.

    • Thick 1/4" steel flanges
    • Mandrel-bent 18-gauge mild steel tubing
    • Pre-formed 4-into-1 collectors
    • 8" length from longest to tube flange to bend
    • 5" length from shortest tube flange to the bend
  • 216, 235, 261 Chevy 6 Cylinder Headers, Plain
    216, 235, 261 Chevy 6 Cylinder Headers, Plain
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    The 216/235/261 Chevy Six was built from 1937-1962 in cars and trucks. Our tube steel headers allow you to run a split exhaust. If you wish to run exhaust heat to your intake manifold, these headers include welded-on bungs which can be used to pipe heat to your intake manifold. Includes manifold gaskets, collector gaskets, flanges for the dump tubes, and all hardware.

    • 2" outlets
    • 1-3/4" and 2" primary tubes
    • 7/16" thick head flanges

    NOTE:   Headers are purposely relieved for additional clearance.

  • Small Block Chevy Round Port Header Flange
    Small Block Chevy Round Port Header Flange
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    Build or modify your own headers with these flange plates. These exhaust manifold flanges have oval ports. This is a pair of header flanges only, no bolts and no gaskets included,  Flange is 5/16" thick.

    Header Flange Plate Chart Application

     

  • Steel Exhaust Collector Ring, 2-1/2 Inch
    Steel Exhaust Collector Ring, 2-1/2 Inch
    x
                Mild steel flanges can be welded to exhaust pipes, mufflers or header collectors so your exhaust system can easily be unbolted and removed. Flanges are 1/4" thick and feature the common 3-bolt mount pattern.
            
  • Fenton Flathead V8 Headers with Gaskets
    Fenton Flathead V8 Headers with Gaskets
    x
                

    Fenton™ cast iron headers fit most Ford chassis from 1937-48 & 1952-53 with stock steering gear. Includes 5/16" steel collector flanges for exhaust pipe hook-up (for 2.00" O.D. pipe). Also includes gaskets.

    Universal Fit for

    • 28-48 Ford cars
    • 52-53 Ford cars
    • Not ideal for 49-51 Ford car with stock steering
    • Some modification/grinding may be required for your application
    Gaskets and Flanges Included

    Header Dimensions (GIF) 

    Application Note: These headers won't fit most Model T's or Model A's due to narrow the frame width, particularly on the passenger side. 1948-52 Ford F1 (1/2 ton) pick-ups will have interference with one bolt on the stock steering box. That bolt can usually be modified so that the headers can be used. The headers will not work in 3/4 ton or larger trucks from 1948-52. Most 1942-48 Mercury cars will require shimming of the motor mount for steering clearance.

  • GM LT1 Exhaust Flanges, Mild Steel
    GM LT1 Exhaust Flanges, Mild Steel
    x
                

    You just bought your LT1 and plan on using the factory exhaust manifolds, but noticed they have odd shaped collector flanges. Now what? These flanges bolt to the factory factory manifold and allow for a smooth installation. Flanges ared 3/8" thick.

    Specify driver or passenger side.

  • GM F-Body LS1 Exhaust Flanges, Stainless Steel
    GM F-Body LS1 Exhaust Flanges, Stainless Steel
    x
                

    You just bought your LS1 and plan on using the factory exhaust manifolds, but noticed they have odd shaped collector flanges. Now what? These 304 stainless flanges bolt to the factory factory manifold and allow for a smooth installation. Flanges are 3/8" thick.

    Specify driver or passenger side.

  • Dynatech 3-Layer Stainless Steel 6.1L Hemi Header Gaskets, Pair
    Dynatech 3-Layer Stainless Steel 6.1L Hemi Header Gaskets, Pair
    x
                

    A great exhaust system starts at the beginning - the flange and gaskets.  Dynatech®'s triple-layer stainless steel exhaust header gaskets are designed to ensure a perfect seal every time. 

    • 3-layer
    • Stainless steel
    • For 6.1L SRT Hemi
  • Big Block Chevy Fenderwell Headers for 1955-57 Chevy, AHC Coated
    Big Block Chevy Fenderwell Headers for 1955-57 Chevy, AHC Coated
    x
                

    These fender well headers provide the ultimate performance for 396-502 big block Chevy V8s in 1955-57 Chevy car applications. They kick up over the frame rail and exit just at the bottom of the cowl, which makes them perfect for Gasser-style rods and drag cars. These headers feature long primary tubes that help produce more horsepower and torque than shorter, more compact headers. Plus, the AHC ceramic coating provides additional horsepower gains along with decreased heat soak of other engine components.

    These headers are not for the faint of heart since you must cut the inner fender panels to make them fit, and tire clearance can be a problem on some applications. They may require smaller front tires to avoid contact. The stock emergency brake rod must also be altered. Can be used with most oil filter systems or transmission and starter combinations. The headers are designed to be used with engines in the stock location, not lowered as many kits do, so all '55-'57 cars should check motor mount positioning before ordering.

    • Header flange has 1-13/16” x 1-13/16" port size
    • Will require fender well cutting or alteration
    • 2" primary tube O.D.
    • 32" primary tube length
    • 3-1/2" collector tube O.D.
    • Polished ceramic coated finish
    • Includes bolts and gaskets

    Header Dimensions

  • Dyantech 3-Layer Stainless Steel 5.4L Ford Header Gaskets, Pair
    Dyantech 3-Layer Stainless Steel 5.4L Ford Header Gaskets, Pair
    x
                
    A great exhaust system starts at the beginning - the flange and gaskets.  Dynatech®'s triple-layer stainless steel exhaust header gaskets are designed to ensure a perfect seal every time. 
    • 3-layer
    • Stainless steel
    • For 5.4L Ford (pre 2004)
  • Dynatech   794-10001 5.7L Hemi Stainless Steel Header Gaskets
    Dynatech 794-10001 5.7L Hemi Stainless Steel Header Gaskets
    x
                

    Dynatech® 3-Layer Stainless Steel header gaskets are a perfect match with stainless steel headers & flanges. Fits Mopar/Chrysler/Dodge 5.7L HEMI V-8 engines.  

    Sold in pairs.

  • GM 5.3/6.0 Truck Exhaust Flanges, Stainless Steel, 2.25 Inch
    GM 5.3/6.0 Truck Exhaust Flanges, Stainless Steel, 2.25 Inch
    x
                

    You just bought your LS and plan on using the factory exhaust manifolds, but noticed they have odd shaped collector flanges. Now what? These 304 stainless flanges bolt to the factory factory manifold and allow for a smooth installation. Flanges are 3/8" thick.

    Specify driver or passenger side.

  • GM 5.3/6.0 Truck Exhaust Flanges, Stainless Steel, 2.5 Inch
    GM 5.3/6.0 Truck Exhaust Flanges, Stainless Steel, 2.5 Inch
    x
                

    You just bought your LS and plan on using the factory exhaust manifolds, but noticed they have odd shaped collector flanges. Now what? These 304 stainless flanges bolt to the factory factory manifold and allow for a smooth installation. Flanges are 3/8" thick.

    Specify driver or passenger side.

  • Dynatech Small Block Chevy Reher-Morrison Drag Racing Exhaust Header Flange
    Dynatech Small Block Chevy Reher-Morrison Drag Racing Exhaust Header Flange
    x
                

    A great exhaust system starts at the beginning - the flange and gaskets.  One of Dynatech®'s biggest advantages is the wide selection of port matched flanges.  All of Dynatech's flanges are CNC laser machined for unparalleled quality and fit.

    • CNC laser machined
    • For Reher-Morrison SBC
    • 2" port / 2.030" X,Y / 5/16" thick
    • Sold each
  • Flathead Header Exhaust Flange
    Flathead Header Exhaust Flange
    x
                

    Works well as a collector pipe flange for Fenton cast iron headers. 

    • 5/16" thick steel
    • 2.00" inside diameter
    • 3-1/8" bolt hole center-to-center
    • 4" overall length
    • 3-1/8" width
  • Flathead Center Dump Headers, Plain
    Flathead Center Dump Headers, Plain
    x
                

    Improve the performance and exhaust note of your 1932-53 flathead Ford V8 with these affordable, high-quality tubular steel headers. They have a compact center-dump design. The center-dump design will not work on Ford cars with stock wishbones.

    Includes block gaskets, collector gaskets and a pair of companion 2-1/2" flanges for beginning the exhaust system (companion flanges fit 2-1/2" pipe).

  • 216, 235, 261 Chevy 6 Cylinder Headers, Chrome
    216, 235, 261 Chevy 6 Cylinder Headers, Chrome
    x
                

    The 216/235/261 Chevy Six was built from 1937-1962 in cars and trucks. Our tube steel headers allow you to run a split exhaust. If you wish to run exhaust heat to your intake manifold, these headers include welded-on bungs which can be used to pipe heat to your intake manifold. Includes manifold gaskets, collector gaskets, flanges for the dump tubes, and all hardware.

    NOTE:   Headers are purposely relieved for additional clearance.

    Chrome Warning: Due to a revised chroming process brought on by recent EPA regulations and high labor costs, today's chrome is not the quality of days gone by. Be Aware: Exhaust components which are chrome plated are now much more susceptible to blueing, blistering, peeling & corrosion. No warranty or returns on chrome exhaust items once them have been installed.

    Not legal for sale or use in California on pollution controlled vehicles

     

  • Steel Exhaust Collector Ring, 3 Inch
    Steel Exhaust Collector Ring, 3 Inch
    x
                Mild steel flanges can be welded to exhaust pipes, mufflers or header collectors so your exhaust system can easily be unbolted and removed. Flanges are 1/4" thick and feature the common 3-bolt mount pattern.
            
  • Steel Exhaust Collector Ring, 3-1/2 Inch
    Steel Exhaust Collector Ring, 3-1/2 Inch
    x
                Mild steel flanges can be welded to exhaust pipes, mufflers or header collectors so your exhaust system can easily be unbolted and removed. Flanges are 1/4" thick and feature the common 3-bolt mount pattern.
            
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