Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Exhaust

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.

Featured Products
  • Steel Exhaust Collector Ring, 2-1/2 Inch
    Steel Exhaust Collector Ring, 2-1/2 Inch
    (Part #91013369)
    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.
            
  • Header-to-Collector Weld Tab
    Header-to-Collector Weld Tab
    (Part #9172020)
    x
                You can weld one half of this tab to your headers and the other to the collector/muffler allowing you easy disassembly while keeping the exhaust together. Includes two individual tabs and one bolt with nut.
            
  • Dynatech® Modified 604 Crate Engine Headers, 1 Inch Triple-Step Long Tube
    New
    Dynatech® Modified 604 Crate Engine Headers, 1 Inch Triple-Step Long Tube
    (Part #31170117310)
    x
                

    These modified stainless steel race headers are engineered for use with 604 Crate Engines. These headers are specially designed for Shaw, Hoffman, and Dirtworks chassis.

    Shaw, Hoffman, and Dirtworks chassis.
    • 1" Raised
    • Shaw, Hoffman, and Dirtworks chassis
    • Stainless Steel for increased header life
    • TIG Welded
    • Triple-step long tube design
    • 9" long  collector
    • 3" collector outlet diameter
    • Gaskets and bolts inclduded
    • Raised and offset engine positions
    • Laser cut flanges with 604 crate port design 
    • 44.211 lbs.
    • 40"x21"x16"

    Header Dimension Chart

  • Combo Exhaust Bend/Header Tubing, 2 Inch
    Combo Exhaust Bend/Header Tubing, 2 Inch
    (Part #91013874)
    x
                Mild steel combo exhaust bends for building or  repairing headers. 16-gauge tubing with 2" O.D.
            
  • DEi 010127 Titanium Exhaust Wrap, 2 Inch x 50 Ft Roll
    DEi 010127 Titanium Exhaust Wrap, 2 Inch x 50 Ft Roll
    (Part #9101127)
    x
                

    This exhaust wrap by Design Engineering, Inc. is made from pulverized lava rock and can stand 1800 degrees directly or 2500 degrees indirectly. Perfect for those extreme conditions and you don't need to use any spray-on coatings with it. Resists abrasion for longer life.

    • Constructed from pulverized lava rock - titanium-like strength and toughness
    • Reduces underhood temps resulting in cooler air intake for improved performance 
    • Able to handle 25% more heat than conventional wrap
    • Capable of handling more heat than any other wrap found in the market today
    • It’s pliable - no need to wet the wrap when wrapping tubing
    • Will not shrink
    • More resistant to temperature/vibration break-down, abrasions, chemical and hot oil spills
    • Very cool carbon fiber look

    Works best on Stainless Steel headers.

    Instruction Sheet (PDF)

    Frequently Asked Questions (PDF)

  • Collector Gasket - 2 1/2 Inch Inside Diameter
    Collector Gasket - 2 1/2 Inch Inside Diameter
    (Part #91013702)
    x
                Collector gaskets available in several sizes.
            
  • Dynatech® 604 Crate Engine Modified Headers
    New
    Dynatech® 604 Crate Engine Modified Headers
    (Part #31170116110)
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    These modified race headers are engineered for use with 604 Crate Engines. They are specially designed with a port to get the most power out of your crate engine.

    • These headers fit Harris, Skyrocket, Hughes, Victory, BMS, J Car, Jet, and Sardeson style chassis
    • CNC laser cut flanges and optimized tube length for efficient performance
    • Constructed of 17 gauge steel
    These 604 Crate Engine Modified Headers have been designed specifically for use with 604 Crate Engines. Special designed port to get the most power out of your Crate Engine. Built to fit Harris, Skyrocket, Hughes, Victory, BMS, J Car, Jet and Sardeson style chassis. CNC Laser Cut Flanges and optimized tube length for best overall performance.  17 gauge steel construction and surfaced flanges make this a durable header that remains leak free for multiple racing seasons.  Comes standard with a Full One Year Warranty.  ½ sets (Crash Replacements) are also available. - See more at: http://www.afcodynapro.com/Dynatech®/925945806#sthash.fPjMVO3H.dpuf
    These 604 Crate Engine Modified Headers have been designed specifically for use with 604 Crate Engines. Special designed port to get the most power out of your Crate Engine. Built to fit Harris, Skyrocket, Hughes, Victory, BMS, J Car, Jet and Sardeson style chassis. CNC Laser Cut Flanges and optimized tube length for best overall performance.  17 gauge steel construction and surfaced flanges make this a durable header that remains leak free for multiple racing seasons.  Comes standard with a Full One Year Warranty.  ½ sets (Crash Replacements) are also available. - See more at: http://www.afcodynapro.com/Dynatech®/925945806#sthash.fPjMVO3H.dpuf
  • Speedway Shorty Race Mufflers, 8 x 3 Inch
    Speedway Shorty Race Mufflers, 8 x 3 Inch
    (Part #91783030)
    x
                These shorty race mufflers are useful when the rules say you must run a muffler, but do not specify a noise level. All steel construction with no fillers to burn out.
            

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  • Speedway Allen Head Header Bolts, 3/8-16 x 3/4 Inch, Set/12
    Speedway Allen Head Header Bolts, 3/8-16 x 3/4 Inch, Set/12
    (Part #550916)
    x
                

    These zinc plated steel header bolts feature an Allen head and have 3/8"-16 x 3/4" long threads. They are perfect for use with headers on AMC 290-401, small block Chevy 262-400, big block Chrysler 383-400 (exc. 426 Hemi), Pontiac 326-455, and Oldsmobile 330-455.

    • Overall Length: 1.12"
    • Under Head Length: 3/4"
    • Thread Pitch: 3/8"-16
    • Steel
    • Zinc
    • Wrench Type: Allen
    • Set of 12 bolts
  • Left Side Crash Replacement Dirt Late Model Header, Spread Port Flange
    Left Side Crash Replacement Dirt Late Model Header, Spread Port Flange
    (Part #31171215411)
    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"

  • Dynatech® 780-14630 Elbow Kit w/ Hardware, 3 Inch Tube Clamps
    Dynatech® 780-14630 Elbow Kit w/ Hardware, 3 Inch Tube Clamps
    (Part #31178014630)
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    Designed to best work with Dynatech® pavement late model economy crossover headers.

    Kit Includes:

    • (4) 3" elbows: 
      • (1) 42 degree, 8.50" long
      • (1) 60 degree, 12.88" long
      • (1) 42 degree, 12.50" long
      • (1) 30 degree, 13.63" long

    • (4) tube clamps and hardware

  • 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
    (Part #31170118811)
    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
    (Part #31179000100)
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    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. 

  • Dynatech® 794-50112 Header Bolts, M8 x 1.25mm, Pack/12
    Dynatech® 794-50112 Header Bolts, M8 x 1.25mm, Pack/12
    (Part #31179450112)
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    These Dynatech® M8 x 1.25mm Metric header bolts are a perfect fit for bolting headers to your GM LS1, LS2, LS3, LS6, LS7 or Vortec 4.8L, 5.3L, 6.0L, 6.2L engines.

  • Dynatech® 794-60207 Mild Steel J-Bend, 2-1/4 Inch
    Dynatech® 794-60207 Mild Steel J-Bend, 2-1/4 Inch
    (Part #31179460207)
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    Dynatech® stocks a complete inventory of mandrel bent J-bends. These are made from premium grade mild steel tubing. The bend radius of each tube is 1.5 times the O.D. of the tubing.

  • Speedway Extreme Gaskets, 2-1/2 Inch Collector Gaskets
    Speedway Extreme Gaskets, 2-1/2 Inch Collector Gaskets
    (Part #91013540)
    x
                
    • Reusable triple-layer gasket
    • Stainless steel with a heat-resistant, rubber-based inner core
    • 0.085” thick, ultra pliable
    • Easily conforms to surface irregularities to create a tight, leak-proof seal
  • Mild Steel Exhaust U-Bend, 2-1/2 Inch
    Mild Steel Exhaust U-Bend, 2-1/2 Inch
    (Part #91013856)
    x
                

    Natural finish (uncoated) 18-gauge mandrel bent mild steel U-bends for building your own weld up headers or replacing bent or damaged header tubing.

    • 2-1/2" outside diameter header pipe
    • 3" bend radius
  • Speedway Header and Exhaust Wrap, 1 Inch x 100 Ft, Black Color
    Speedway Header and Exhaust Wrap, 1 Inch x 100 Ft, Black Color
    (Part #91013805)
    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.

  • Schoenfeld Headers 0450 Small Block Mopar Header Gaskets
    Schoenfeld Headers 0450 Small Block Mopar Header Gaskets
    (Part #9170450)
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                Schoenfeld header gaskets for Small Block Mopar 273-318-340-360.
            
  • Dynatech® 761-10001 Header Exhaust Gasket Set- Small Blcok Chevy LT1
    Dynatech® 761-10001 Header Exhaust Gasket Set- Small Blcok Chevy LT1
    (Part #31176110001)
    x
                Small block Chevy header exhaust gaskets for GM LT1 motors.
            
  • 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
    (Part #31171141010)
    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
    (Part #31171060011)
    x
                

    Left hand side crash replacement Late Model Ford N351 Headers.

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

    Application:  Late Model Ford N351

  • Combo Exhaust Bend/Header Tubing, 2-1/2 Inch
    Combo Exhaust Bend/Header Tubing, 2-1/2 Inch
    (Part #91013896)
    x
                These mild steel combo exhaust bends are perfect for building or repairing headers.  They feature smooth mandrel bends with a bend radius of 7" and an outside diameter of 2-1/2". 
    • Mild steel
    • For building or repairing headers
    • 16-gauge (0.06" thick)
    • 2-1/2" O.D

  • Fel-Pro Gaskets 1470 Exhaust Header Gasket for SBC ZZ4/Fastburn
    Fel-Pro Gaskets 1470 Exhaust Header Gasket for SBC ZZ4/Fastburn
    (Part #3441470)
    x
                

    This header exhaust gasket is used on most GM ZZ4 crate engines with Fastburn style heads (with raised 'D' shaped exhaust ports).

  • Schoenfeld 3065VYN Tri-Y Headers for Roush Yates 360 Ford
    Schoenfeld 3065VYN Tri-Y Headers for Roush Yates 360 Ford
    (Part #9173065)
    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
  • ARP Fasteners 100-1110 5/16 Inch Head Header Bolts
    ARP Fasteners 100-1110 5/16 Inch Head Header Bolts
    (Part #1011001110)
    x
                
    • Great for getting the proper torque in tight spaces
    • 3/8-16 x 1" threads
    • 5/16" hex head
    • Set of 16
  • Dynatech® 794-00112 Header Bolts, 3/8-16 x 3/4 Inch, Pack/12
    Dynatech® 794-00112 Header Bolts, 3/8-16 x 3/4 Inch, Pack/12
    (Part #31179400112)
    x
                

    These Dynatech® 3/8"-16 x 3/4" header bolts are a perfect fit for bolting headers onto your AMC 290-401, small block Chevy 262-400, big block Chrysler 383-400 (exc. 426 Hemi), Pontiac 326-455, and Oldsmobile 330-455.

  • Dynatech® Small Block Chevy 23 Deg. Header Flange, 3/8 Thick, 1.63 Port
    Dynatech® Small Block Chevy 23 Deg. Header Flange, 3/8 Thick, 1.63 Port
    (Part #31179600622)
    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 (part number 31179400001)
     

     

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