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

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Products

Exhaust Header Collectors

Shop Classic Truck Headers & Exhaust At Speedway Motors

Speedway Motors has the classic truck headers and mufflers you need, at a price you can afford. Check out our huge inventory of chassis headers, Flathead V8 headers and tight-fit block hugger headers, all available with durable ceramic AHC coating, polished, or stainless steel. Don't forget about our cast iron exhaust manifolds and exhaust tips as well. With an awesome selection of high performance Flowmaster mufflers, exhaust wrap, glasspacks, and various gaskets, Speedway Motors is your classic truck exhaust superstore!


Featured Products
  • 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. 
            
  • Header Collector, 1 5/8 Inch Primaries
    Header Collector, 1 5/8 Inch Primaries
    (Part #91013836)
    x
                Weld-on header collectors. Available in 3" or 3-1/2" collector size. 1-5/8" tube size.
            
  • Header Collector, 1 7/8 Inch Primaries
    Header Collector, 1 7/8 Inch Primaries
    (Part #91013839)
    x
                Weld-on header collectors. Available in 3" or 3-1/2" collector size. 1-7/8" tube size.
            
  • Header Collector, 2 Inch Primaries
    Header Collector, 2 Inch Primaries
    (Part #91013838)
    x
                Weld-on header collectors. Available in 3" or 3-1/2" collector size. 2" tube size. 
            
  • Header Collector, 1 1/2 Inch Primaries
    Header Collector, 1 1/2 Inch Primaries
    (Part #91013835)
    x
                Weld-on header collectors. Available in 3" or 3-1/2" collector size. 1-1/2" tube size.
            
  • Dynatech® 783-31230 Plain Steel Slip-On Collector, 1-3/4 x 3 x 12 Inch
    Dynatech® 783-31230 Plain Steel Slip-On Collector, 1-3/4 x 3 x 12 Inch
    (Part #31178331230)
    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® 783-71240 Plain Steel Slip-On Collector, 2-1/4 x 4 x 12 Inch
    Dynatech® 783-71240 Plain Steel Slip-On Collector, 2-1/4 x 4 x 12 Inch
    (Part #31178371240)
    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® 783-51235 Plain Steel Slip-On Collector, 2 x 3-1/2 x 12 Inch
    Dynatech® 783-51235 Plain Steel Slip-On Collector, 2 x 3-1/2 x 12 Inch
    (Part #31178351235)
    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.

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"Classic Truck, Exhaust Header Collectors" Page 1 of 5

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  • Garage Sale - Dynatech Ceramic Coated Slip-On Collector, 2-1/2 x 5 x 12 Inch
    Garage Sale
    Garage Sale - Dynatech Ceramic Coated Slip-On Collector, 2-1/2 x 5 x 12 Inch
    (Part #AUP3397)
    x
                

    This collector is garage sale priced because it is new old stock. 

     No Warranty, No Returns On Garage Sale Items

    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® 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
  • 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® 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)

  • Garage Sale - Dynatech   Merge Collector
    $159.99
    $299.99
    Garage Sale
    Garage Sale - Dynatech Merge Collector
    (Part #AUP123)
    x
                

    Dynatech® Merge Collector

    Ceramic Coated

    2-3/8" to 5"

     

    These collectors are garage sale priced because they have been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • 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® 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
    (Part #31178351236)
    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
  • 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. 
            
  • 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
    (Part #31178014510)
    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® 783-21230 Plain Steel Slip-On Collector, 1-5/8 x 3 x 12 Inch
    Dynatech® 783-21230 Plain Steel Slip-On Collector, 1-5/8 x 3 x 12 Inch
    (Part #31178321230)
    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, 2-1/8 x 4 x 12 Inch
    Dynatech® Ceramic Coated Slip-On Collector, 2-1/8 x 4 x 12 Inch
    (Part #31178361241)
    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
  • Garage Sale - Dynatech® Slip On Collector
    Garage Sale
    Garage Sale - Dynatech® Slip On Collector
    (Part #31183812402C)
    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.) 

    All collectors come race-ready to bolt on right out of the box. U-tabs are jig installed for a direct bolt-on fit to all Dynatech® Headers.

    • Formed long transition 4-into-1 design for maximum power
    • Jig located U-tabs at 180 degrees for bolt-on mounting 

    This collector is garage sale priced because it has some cosmetic blemishes in the coating.

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Header Collector, 1 7/8 Inch Primaries
    Header Collector, 1 7/8 Inch Primaries
    (Part #91013839)
    x
                Weld-on header collectors. Available in 3" or 3-1/2" collector size. 1-7/8" tube size.
            
  • Dynatech® Ceramic Coated Slip-On Collector, 1-7/8 x 3 x 12 Inch
    Dynatech® Ceramic Coated Slip-On Collector, 1-7/8 x 3 x 12 Inch
    (Part #31178341231)
    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
  • Garage Sale - Dynatech 780-13519 Ceramic Coated Merge Collector, 2-3/8 x 4-1/2 Inch
    Garage Sale
    Garage Sale - Dynatech 780-13519 Ceramic Coated Merge Collector, 2-3/8 x 4-1/2 Inch
    (Part #AUP2788)
    x
                Please view the product's page for more information
            
  • Dynatech® 780-03519 Plain Steel Merge Collector, 2-3/8 x 4-1/2 Inch
    Dynatech® 780-03519 Plain Steel Merge Collector, 2-3/8 x 4-1/2 Inch
    (Part #31178003519)
    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)

  • Garage Sale - Dynatech Collector 2 Inch x 3-1/2 Inch x 12 Inch
    Garage Sale
    Garage Sale - Dynatech Collector 2 Inch x 3-1/2 Inch x 12 Inch
    (Part #AUP821)
    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
     
    This collector is garage sale priced because the inlet has been expanded to much.
     
     
    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
     
  • Dynatech® Ceramic Coated Slip-On Collector, 2-1/8 x 3-1/2 x 12 Inch
    Dynatech® Ceramic Coated Slip-On Collector, 2-1/8 x 3-1/2 x 12 Inch
    (Part #31178361236)
    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
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