Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Shop Oval Track Headers & Exhaust At Speedway Motors

Speedway Motors has racing headers to fit many different chassis, from late models to IMCA Modifieds. We also stock a great selection of header kits, collectors and tubing so you can repair your damaged headers or fabricate a custom set for your application. Speedway can also help you reduce heat and noise with header wraps and racing mufflers.

"Oval Track, Exhaust Headers" Page 1 of 15

  • Left Side Crash Replacement Dirt Late Model Header, Spread Port Flange
    Left Side Crash Replacement Dirt Late Model Header, Spread Port Flange
    x
                

    Left hand side crash replacement Dirt Late Model Headers with Spread Port Flange for American Made, Barry Wright, Bullitt, Morris, Rocket, Swartz and others with 2 5/8" offset & 6" setback.

    Tube Size: 1.750"-1.875"

  • Left Side Crash Replacement IMCA Mod. Header, 1-3/4 Inch, Small Block Chevy
    Left Side Crash Replacement IMCA Mod. Header, 1-3/4 Inch, Small Block Chevy
    x
                

    Left hand side crash replacement headers for Modified design for GRT, Kosiski, Smileys and TRE.

    Tube Size: 1.75"

    Application: Small Block Chevy  

  • Dynatech   790-00100 Ceramic Coating Option for Headers
    Dynatech 790-00100 Ceramic Coating Option for Headers
    x
                

    Great option for increasing the life, horsepower and appearance of your new Dynatech®s. All headers purchased with this option are coated inside and outside. The coating will significantly reduce the underhood temperature of your car - which translates into a small horsepower gain, not to mention it it makes those headers look great! Headers purchased with this ceramic coating come with a lifetime rust-through warranty and a customer satisfaction guarantee.

    Note: This option can only be ordered in conjunction with Factory Shipped Dynatech® products. 

  • Speedway Header and Exhaust Wrap, 1 Inch x 100 Ft, Black Color
    Speedway Header and Exhaust Wrap, 1 Inch x 100 Ft, Black Color
    x
                

    If your exhaust runs too close to your brake lines, master cylinder, steering box or even the body, you will cook that item. This easy to use wrap will protect your investment. 

    • Retains exhaust heat within the tube for increased flow and horsepower
    • Reduced underhood temperatures
    • Protects surronding components from excessive heat
    • Made from a durable, specially treated woven glass fiber material

    For a Small Block V8 engine, you will need approximately (2) 2" x 50' rolls. Big Blocks and 180° style headers may require one additional 2" x 50' roll.

  • Dynatech Late Model Exhaust, 1-3/4 to 1-7/8 Inch, Std. Chevy 550+HP
    Dynatech Late Model Exhaust, 1-3/4 to 1-7/8 Inch, Std. Chevy 550+HP
    x
                

    Dynatech® pavement car exhaust systems start with Dynatech®’s 35” equal length headers. Although difficult to construct, equal length headers deliver maximum torque and horsepower and are used by the best drivers and teams in the country.

    All Dynatech® headers are built with CNC laser machined flanges. With port holes accurate to .003” and total warp less than .025”, you can be assured that you will get all the performance and quality possible from your headers.

    • CNC laser-cut flange
    • Built to fit with proper clearance
    • Optimized tube length for power
    • 35" equal length primaries for maximum torque and horsepower
    • Valve covers are removable with headers installed
    • Removable collectors
    • Tube Size: 1-3/4" - 1-7/8"
    • HP Range: 550 +

    Header Dimension Chart

  • Left Side Crash Replacement Late Model Header, Ford N351, 1-5/8 - 1-3/4 Inch
    Left Side Crash Replacement Late Model Header, Ford N351, 1-5/8 - 1-3/4 Inch
    x
                

    Left hand side crash replacement Late Model Ford N351 Headers.

    Tube Size: 1 5/8" - 1 3/4"

    Application:  Late Model Ford N351

  • Schoenfeld 3065VYN Tri-Y Headers for Roush Yates 360 Ford
    Schoenfeld 3065VYN Tri-Y Headers for Roush Yates 360 Ford
    x
                These Tri-Y racing headers feature 3 inch collectors and allow  additional clearance for mufflers. They are designed to work with Roush  Yates 360 Ford engines.
    • For Roush Yates 360 Ford
    • Tri-Y forward sweep design for added muffler clearance
    • 3" collectors
    • Steel construction
  • Dynatech Plain Steel Slip-On Collector, 2-1/8 x 3-1/2 x 8 Inch
    Dynatech Plain Steel Slip-On Collector, 2-1/8 x 3-1/2 x 8 Inch
    x
                Dynatech® slip-on race collectors offer great performance at an affordable  price. Changing  collector outlet size or length are popular ways to make tuning adjustments as  track conditions change (i.e. changing to a larger collector outlet size can aid  in "slick track" conditions).  
    • Race-ready to bolt on right out of the box
    • U-tabs are a direct bolt-on fit to all Dynatech® Drag Headers
    • Hi-temp black paint
    • Long-transition 4-into-1 design for maximum power
    • Listed by Primary I.D. x Collector O.D. x Length
    • Sold individually

    Note: O2 bung not included.

  • Dynatech Ceramic Coated Slip-On Collector, 2-3/8 x 4 x 12 Inch
    Dynatech Ceramic Coated Slip-On Collector, 2-3/8 x 4 x 12 Inch
    x
                

    Dynatech® slip-on race collectors offer great performance at an affordable price. Changing collector outlet size or length are popular ways to make tuning adjustments as track conditions change (i.e. changing to a larger collector outlet size can aid in "slick track" conditions).

    • Direct bolt-on fit to all Dynatech® Drag Headers
    • Durable Ceramic coating
    • Long-transition 4-into-1 design for maximum power
    • 18mm accessory bung (see Notes)
    • Listed by Primary I.D. x Collector O.D. x Length
    • Sold individually
  • Small Block Chevy Header Kit, 1-7/8 Brodix Spread Port 3-1/2 Collector
    Small Block Chevy Header Kit, 1-7/8 Brodix Spread Port 3-1/2 Collector
    x
                

    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 enthusiast, weld up headers will require some cutting, fitting and welding.

    • Thick 5/16" 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 flnge to the bend
  • Left Side Crash Replacement Pierce Mod. Header, 1-3/4 - 1-7/8 In., Spread Port
    Left Side Crash Replacement Pierce Mod. Header, 1-3/4 - 1-7/8 In., Spread Port
    x
                

    Left hand side crash replacement Pierce Modified Header with spread port.

    Tube Size: 1.750"-1.875"

    Application: Small Block Chevy 

  • Dynatech IMCA Modified Headers, Angled Adj, 1-5/8 - 1-3/4, 3 Collector
    Dynatech IMCA Modified Headers, Angled Adj, 1-5/8 - 1-3/4, 3 Collector
    x
                
    • Fits angle or straight plug heads
    • For Standard Chevy or Crate Engine applications
    • Gaskets, bolts and hardware included

    Header Dimension Chart

  • Dynatech   Stainless Steel Merge Collector, 2 In. Slip Over, 3-1/2 In. Outlet
    Dynatech Stainless Steel Merge Collector, 2 In. Slip Over, 3-1/2 In. Outlet
    x
                

    Dynatech® merge collectors are a popular option when your racing application requires maximum horsepower. Merge collectors are not usually a "bolt it and go" part. In order to realize the full potential of this collector disign, dyno testing is recommended. (See Notes tab)

    • 100% TIG-welded
    • Optimum reduction angle
    • Increases torque and horsepower

    Note: 9:1 applications must use stainless (not mild steel) merge collectors for best performance and durability.

  • Left Side Crash Replacement Modified Chevy Header, 1-3/4 Inch
    Left Side Crash Replacement Modified Chevy Header, 1-3/4 Inch
    x
                

    Left hand side crash replacement Modified Header for Harris, Skyrocket, Hughes, Victory, BMS, J Car, Jet and Sardeson.

    IMCA Modified Header 

    Tube Size: 1.750"

    Application: Small Block Chevy   

  • Dynatech 780-10516 Ceramic Coated Merge Collector, 2 x 3-1/2 Inch
    Dynatech 780-10516 Ceramic Coated Merge Collector, 2 x 3-1/2 Inch
    x
                

    Dynatech® Ceramic Coated Merge Collectors are a popular option when your racing application requires maximum horsepower. Merge collectors are not usually a "bolt it on and go" part. In order to realize the full potential of this collector design, dyno testing is recommended.

    • 100% TIG-welded
    • Optimum reduction angle
    • Increases torque and horsepower
    • Sold individually
    • Listed as Primary I.D. x Collector O.D.

    Note: Does not include O2 bungs. To purchase separately, order part 311-78510097.

    How It Works (PDF)

  • Dynatech Headers: Pierce, Spread Port, 1-3/4 - 1-7/8, 3-1/2 Collector
    Dynatech Headers: Pierce, Spread Port, 1-3/4 - 1-7/8, 3-1/2 Collector
    x
                
    • Stepped Tube Design
    • For Spread Port applications
    • Fits angles or straight plug heads
    • Gaskets, bolts and hardware included

    Header Dimension Chart

  • Dynatech   780-10514 Ceramic Coated Merge Collector 1-3/4 x 3-1/2 Inch
    Dynatech 780-10514 Ceramic Coated Merge Collector 1-3/4 x 3-1/2 Inch
    x
                

    Dynatech® Ceramic Coated Merge Collectors are a popular option when your racing application requires maximum horsepower. Merge collectors are not usually a "bolt it on and go" part. In order to realize the full potential of this collector design, dyno testing is recommended.

    • 100% TIG-welded
    • Optimum reduction angle
    • Increases torque and horsepower
    • Sold individually
    • Listed as Primary I.D. x Collector O.D.

    Note: Does not include O2 bungs. To purchase separately, order part 311-78510097.

    How It Works (PDF)

  • Dynatech   780-11516 Ceramic Coated Merge Collector, 2 x 3 Inch
    Dynatech 780-11516 Ceramic Coated Merge Collector, 2 x 3 Inch
    x
                

    Dynatech® Ceramic Coated Merge Collectors are a popular option when your racing application requires maximum horsepower. Merge collectors are not usually a "bolt it on and go" part. In order to realize the full potential of this collector design, dyno testing is recommended.

    • 100% TIG-welded
    • Optimum reduction angle
    • Increases torque and horsepower
    • Sold individually
    • Listed as Primary I.D. x Collector O.D.

    Note: Does not include O2 bungs. To purchase separately, order part 311-78510097.

    How It Works (PDF)

  • Dynatech 701-10010 Chevy Chassis Header
    $202.99
    $215.99
    Product Rating: 5.00 Stars
    Dynatech 701-10010 Chevy Chassis Header
    x
                
    • Fits older Bullitt, GRT, Howe, NASCAR LMS, Shaw, and most IMCA Modifieds
    • Fits angle or straight plug heads
    • For Standard Chevy or Crate Engine applications
    • Gaskets, bolts and hardware included

    Note: Number 1 spark plug should be at least 1" behind ball joint.

    Header Dimension Chart

  • Schoenfeld Headers 1106 Mid Length 1-3/4 Inch Modified Headers
    Schoenfeld Headers 1106 Mid Length 1-3/4 Inch Modified Headers
    x
                

    These mid length modified headers are for BMS, Dirtworks, GRT, Harris, Hoffman, Jet, Larry Shaw and Speedway Motors cars. S/B Chevy, 1-3/4" tube and 3-1/2" collectors. Schoenfeld 1106.

    Header Dimension Chart

  • Speedway Header and Exhaust Wrap, 2 Inch x 50 Ft, Black Color
    Speedway Header and Exhaust Wrap, 2 Inch x 50 Ft, Black Color
    x
                

    If your exhaust runs too close to your brake lines, master cylinder, steering box or even the body, you will cook that item. This easy to use wrap will protect your investment. 

    • Retains exhaust heat within the tube for increased flow and horsepower
    • Reduced underhood temperatures
    • Protects surronding components from excessive heat
    • Made from a durable, specially treated woven glass fiber material

    For a Small Block V8 engine, you will need approximately (2) 2" x 50' rolls. Big Blocks and 180° style headers may require one additional 2" x 50' roll.

  • Right Side Crash Replacement Pierce Mod. Header, 1-3/4 - 1-7/8 Inch, 18 Degree
    Right Side Crash Replacement Pierce Mod. Header, 1-3/4 - 1-7/8 Inch, 18 Degree
    x
                

    Right hand side crash replacement Pierce Modified Header, 18 Degree Flange.

    IMCA Modified Header 

    Tube Size: 1.750"-1.875"

    Application: Small Block Chevy 

  • Schoenfeld High Velocity Chassis Headers, 1-5/8 - 1-3/4, 3-1/2 Collect
    Schoenfeld High Velocity Chassis Headers, 1-5/8 - 1-3/4, 3-1/2 Collect
    x
                

    Races are won by the guy who gets off the corner best. Torque is what gets that car moving and the right header is one key ingredient. These high velocity header are designed to boost Small Block Chevy torque.

    These high velocity chassis headers require a minimum 3-5" engine set back. Fits angle plug or straight plug heads.

    Header Dimension Chart

  • Schoenfeld Headers 1186 IMCA Modified Long Style Headers
    Schoenfeld Headers 1186 IMCA Modified Long Style Headers
    x
                

    Long style headers for Dirtworks and most others (does not fit D&M).  1-3/4" tube with 3-1/2" collector.  Not a step design.  Not adjustable.

    Header Dimension Chart

  • Dynatech 780-02518 Plain Steel Merge Collector, 2-1/4 x 4 Inch
    Dynatech 780-02518 Plain Steel Merge Collector, 2-1/4 x 4 Inch
    x
                

    Dynatech® Mild Steel Merge Collectors are a popular option when your racing application requires maximum horsepower. Merge collectors are not usually a "bolt it on and go" part. In order to realize the full potential of this collector design, dyno testing is recommended.

    • 100% TIG-welded
    • Optimum reduction angle
    • Increases torque and horsepower
    • Formed long transition 4-into-1 design for maximum power
    • Jig-located U-tabs at 180 degrees for bolt-on mounting
    • Sold individually
    • Listed as Primary I.D. x Collector O.D.

    Note: Does not include O2 bungs. To purchase separately, order part 311-78510097.

    How It Works (PDF)

  • Left Side Crash Replacement IMCA Mod. Header, 1-5/8 Inch, Small Block Chevy
    Left Side Crash Replacement IMCA Mod. Header, 1-5/8 Inch, Small Block Chevy
    x
                

    Left hand side crash replacement headers for IMCA Modified design.

    Tube Size: 1.625"

    Application: Small Block Chevy

  • LS1 Block Hugger Tight-Fit Headers, Stainless Steel
    LS1 Block Hugger Tight-Fit Headers, Stainless Steel
    x
                

    Many rodders are looking to install Chevy’s powerful and efficient LS1 / LS6 Small Block V8 in their street rods, customs and classic trucks. These shorty headers can make those installations easier in a variety of applications, and help produce more power as well.

    An oxygen sensor bung is included with these block hugger headers, but not installed, for those who want to keep the engine’s electronic fuel injection. Includes bolts, gaskets, and reducers.

    LS1 Header Dimensions (GIF)

  • Right Crash Replacement IMCA Mod. Header, 1-3/4 In., Small Block Chevy
    Right Crash Replacement IMCA Mod. Header, 1-3/4 In., Small Block Chevy
    x
                

    Right hand side crash replacement headers for Modified design for GRT, Kosiski, Smileys and TRE.

    Tube Size: 1.75"

    Application: Small Block Chevy  

  • Thermo Tec 11003 Header Wrap, 2 Inch x 100 Ft, White Color
    Thermo Tec 11003 Header Wrap, 2 Inch x 100 Ft, White Color
    x
                

    Thermo-Tec® header wrap keeps heat in the exhaust stream.  This increases exhaust velocity and engine efficiency, as well as reducing  under-hood temperature up to 70%.  Available in three different roll sizes.

    Please consider the Snap Strap Kit For V-8 and the Hi-Heat Coating when using this product.

    Typical Small Block Chevy Headers Need:

    • (2)  704-11002/11022 Wraps
    • (1)  704-13101 Strap Kit
    • (2)  70412001 High Heat Coatings

    Typical Big Block Chevy and 180 Degree Headers Need:

    • (2-3)  704-11002/11022 Wraps
    • (1)     704-13101 Strap Kit
    • (2-3)  704-12001 High Heat Coatings
  • 383-440 Mopar Header Kit, 1-7/8 Tube, 3-1/2 Inch Collector
    383-440 Mopar Header Kit, 1-7/8 Tube, 3-1/2 Inch Collector
    x
                

    These big block Mopar header kits feature 18 gauge mild steel designed for many racing and rodding applications. Fits 383, 400, 413, 426 wedge, and 440 engines.  Kit includes eight mandrel-bent primary tubes, two pre-formed collectors, two extra-thick square port flanges, two gaskets and twelve bolts for headers.

    Designed for the seasoned, hands-on enthusiast, weld up headers will require some cutting, fitting and welding.

  • Speedway Mid-Length Modified Racing Headers, Painted Black
    Speedway Mid-Length Modified Racing Headers, Painted Black
    x
                These mid length modified headers are for BMS,  Dirtworks, GRT, Harris, Hoffman, Jet, Larry Shaw and Speedway Motors  cars. 
    • Fit BMS, Dirtworks, GRT, Harris, Hoffman, Jet, Shaw and others
    • 1-¾” primary tubes, 3-½” collectors
    • 5/16” flange
    • Includes gaskets and hardware
    • Available painted black or AHC coated (9101106H)
  • Dynatech Ceramic Coated Slip-On Collector, 2 x 3-1/2 x 12 Inch
    Dynatech Ceramic Coated Slip-On Collector, 2 x 3-1/2 x 12 Inch
    x
                

    Dynatech® slip-on race collectors offer great performance at an affordable price. Changing collector outlet size or length are popular ways to make tuning adjustments as track conditions change (i.e. changing to a larger collector outlet size can aid in "slick track" conditions).

    • Direct bolt-on fit to all Dynatech® Drag Headers
    • Durable Ceramic coating
    • Long-transition 4-into-1 design for maximum power
    • 18mm accessory bung (see Notes)
    • Listed by Primary I.D. x Collector O.D. x Length
    • Sold individually
  • Dynatech Late Model Exhaust, 1-3/4 to 1-7/8, Spread Port Chevy 550+HP
    Dynatech Late Model Exhaust, 1-3/4 to 1-7/8, Spread Port Chevy 550+HP
    x
                

    Dynatech® pavement car exhaust systems start with Dynatech®’s 35” equal length headers. Although difficult to construct, equal length headers deliver maximum torque and horsepower and are used by the best drivers and teams in the country.

    All Dynatech® headers are built with CNC laser machined flanges. With port holes accurate to .003” and total warp less than .025”, you can be assured that you will get all the performance and quality possible from your headers.

    • CNC laser-cut flange
    • Built to fit with proper clearance
    • Optimized tube length for power
    • 35" equal length primaries for maximum torque and horsepower
    • Valve covers are removable with headers installed
    • Removable collectors
    • Tube Size: 1-3/4" - 1-7/8"
    • HP Range: 550 +

    Header Dimension Chart

  • Dynatech 780-14510 Ceramic Coated Merge Collector, 2-1/2 x 5 Inch
    Dynatech 780-14510 Ceramic Coated Merge Collector, 2-1/2 x 5 Inch
    x
                

    Dynatech® Ceramic Coated Merge Collectors are a popular option when your racing application requires maximum horsepower. Merge collectors are not usually a "bolt it on and go" part. In order to realize the full potential of this collector design, dyno testing is recommended.

    • 100% TIG-welded
    • Optimum reduction angle
    • Increases torque and horsepower
    • Sold individually
    • Listed as Primary I.D. x Collector O.D.

    Note: Does not include O2 bungs. To purchase separately, order part 311-78510097.

    How It Works (PDF)

  • Dynatech   Headers, 1-3/4 -1-7/8 Primary, 3-1/2 Collector, Spread Port
    Dynatech Headers, 1-3/4 -1-7/8 Primary, 3-1/2 Collector, Spread Port
    x
                
    • For Standard Chevy or Crate Engine applications
    • Fits angle or straight plug heads
    • Gaskets, bolts and hardware included

    Header Dimension Chart

  • Thermo Tec 12002 Hi-Heat Header Wrap Coating, Aluminum
    Thermo Tec 12002 Hi-Heat Header Wrap Coating, Aluminum
    x
                

    To finish off a clean and well-protected Exhaust Insulating Wrap application it is recommended to use the Hi-Heat Coating. The coating will protect the wrap from abrasion and harmful liquid spills. Extra resins and binders toughen the surface, extend the life of wrap by protecting it from friction, and seal the pores to minimize the penetration of harmful liquids.

    The coating also works excellent as a paint directy on metal surfaces.                 

    CANNOT BE SHIPPED BY AIR!

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