Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
Speedway Motors Logo
America's Oldest Speed Shop ®

Search

Filter

Page 1 of 31

Products

Exhaust

Shop Open Wheel Headers & Exhaust At Speedway Motors

Speedway Motors stocks all the best low-restriction open wheel racing headers for Sprint and Midget chassis! We also have a great selection of header kits, collectors and tubing so you can repair your damaged headers or fabricate a custom set for your open wheel racing application.

Featured Products
  • Dynatech® Modified 604 Crate Engine Headers, 1-1/2 Inch Triple Step Long Tube
    New
    Dynatech® Modified 604 Crate Engine Headers, 1-1/2 Inch Triple Step Long Tube
    (Part #31170117210)
    x
                

    These modified stainless steel race headers are engineered for use with 604 Crate Engines. These headers are specially designed for Harris and Victory chassis.

    • 1-1/2" Raised
    • Harris and Victory chassis
    • Will fit a BMS car
    • Stainless Steel for increased header life
    • TIG Welded
    • Triple-step long tube design
    • 9" collector
    • 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

  • Small Block Chevy Round Port 1-5/8 Inch Header Flanges
    Small Block Chevy Round Port 1-5/8 Inch Header Flanges
    (Part #41811010)
    x
                

    Build or modify your own headers with these flange plates. These exhaust manifold flanges have round 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

     

  • Dynatech® 794-91235 V-Clamp Collar Assembly Kit, 3-1/2 Inch
    Dynatech® 794-91235 V-Clamp Collar Assembly Kit, 3-1/2 Inch
    (Part #31179491235)
    x
                Kit includes two weld-on mild steel V-clamp rings and a stainless steel V-band clamp. Works great for header to muffler connections.
            
  • 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.
            
  • Dynatech® Modified 604 Crate Engine Headers, Triple-Step, Beakbuilt/Wahl
    New
    Dynatech® Modified 604 Crate Engine Headers, Triple-Step, Beakbuilt/Wahl
    (Part #31170127410)
    x
                

    These modified stainless steel race headers are engineered for use with 604 Crate Engines. They are specially designed for Beakbuilt and Wahl chassis.

    • Beakbuilt and Wahl 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
    • Accomodates raised and offset engine positions
    • Laser cut flanges with 604 crate port design 
    • 44.211 lbs
    • 40"x21"x16"

    Header Dimension Chart

  • Header Collector, 1 3/4 Inch Primaries
    Header Collector, 1 3/4 Inch Primaries
    (Part #91013837)
    x
                Weld-on header collectors. Available in 3" or 3-1/2" collector size. 1-3/4" tube size. 
            
  • Schoenfeld Headers 01511 Small Block Chevy D-Port Header Gaskets
    Schoenfeld Headers 01511 Small Block Chevy D-Port Header Gaskets
    (Part #9170151)
    x
                

    Schoenfeld header gaskets for Small Block Chevy 265-400 V-8 with D-port cylinder heads.

  • 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.
            

Filter

"Open Wheel, Exhaust" Page 1 of 31

Page 1 of 31

  • 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
  • Dynatech® 790-00100 Ceramic Coating Option for Headers
    Dynatech® 790-00100 Ceramic Coating Option for Headers
    (Part #31179000100)
    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. 

  • Dynatech® 794-50112 Header Bolts, M8 x 1.25mm, Pack/12
    Dynatech® 794-50112 Header Bolts, M8 x 1.25mm, Pack/12
    (Part #31179450112)
    x
                

    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.

  • 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
  • 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

  • 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)
     

     

  • 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
    (Part #31178360835)
    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
    (Part #31178381241)
    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
    (Part #41865620)
    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
  • 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
    (Part #3118000506)
    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.

  • 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
    (Part #31178010516)
    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® 772-32520 Vortex Insert Cone, 3 Inch
    Dynatech® 772-32520 Vortex Insert Cone, 3 Inch
    (Part #31177232520)
    x
                

    Let's face it, open exhaust is a thing of the past! Sound requirements, mandatory mufflers, or maximum db level are found in all forms of racing today. From Mini-Stock to Outlaw Sprint Cars, reducing the sound level is becoming the norm. Today's racers are spending thousands of dollars to go racing. The last thing they want to do is get put on the trailer for too much noise. The Vortex Insert Cone can help you keep on track. That's sound insurance!

    • 100% T-304 stainless steel construction
    • Compact size fits all racing applications
    • Ultra lightweight - less that 1/2 lb. each
    • Little or no power loss
    • Easy bolt-in installation
    • Typically good for a 1-3 reduction in db 

    Typically good for a 1-3 dB reduction.

    How It Works (JPEG)

  • Combo Exhaust Bend/Header Tubing, 1-7/8 Inch
    Combo Exhaust Bend/Header Tubing, 1-7/8 Inch
    (Part #91013873)
    x
                Mild steel combo exhaust bends for building or  repairing headers. 16-gauge tubing with 1-7/8" O.D.
            
  • 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
    (Part #31178010514)
    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
    (Part #31178011516)
    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)

  • Schoenfeld Headers 103535K Shorty Muffler
    Schoenfeld Headers 103535K Shorty Muffler
    (Part #917103535K)
    x
                This shorty muffler is for use where rules say you must run a muffler, but do not specify a noise level. Has a 4" O.D. body.
            
  • 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
    (Part #31178002518)
    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)

  • Dynatech® 772-32540 Vortex Insert Cones, 4-1/2 Inch
    Dynatech® 772-32540 Vortex Insert Cones, 4-1/2 Inch
    (Part #31177232540)
    x
                

    Let's face it, open exhaust is a thing of the past! Sound requirements, mandatory mufflers, or maximum db level are found in all forms of racing today. From Mini-Stock to Outlaw Sprint Cars, reducing the sound level is becoming the norm. Today's racers are spending thousands of dollars to go racing. The last thing they want to do is get put on the trailer for too much noise. The Vortex Insert Cone can help you keep on track. That's sound insurance! 

    Typically good for a 1-3 dB reduction.

    • 100% T-304 stainless steel construction
    • Compact size fits all racing applications
    • Ultra lightweight - less that 1/2 lb. each
    • Little or no power loss
    • Easy bolt-in installation
    • Typically good for a 1-3 reduction in db 

    How It Works (JPEG)

  • LS1 Block Hugger Tight-Fit Headers, Stainless Steel
    LS1 Block Hugger Tight-Fit Headers, Stainless Steel
    (Part #9300114S)
    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)

Goto Previous PagePrevious Page
1 2 3 4 5 ... 31