Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith
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Products

Now that your T-Bucket has the cool look you love, give it the great sound you love too! Speedway Motors has the T-Bucket headers and mufflers you need, at a price you can afford! Check out our huge inventory of chassis headers, roadster headers, lake-style headers and tight-fit block hugger headers, all available in chrome, stainless steel, or with durable ceramic AHC coating. With an awesome selection of performance mufflers, glasspacks, exhaust bends, and exhaust tips, Speedway Motors is your exhaust superstore!

"T-Bucket, Mufflers" Page 1 of 2

  • Smithys Glasspack Muffler, 22 Inch Body, 2 Inch Inlet/Outlet
    Smithys Glasspack Muffler, 22 Inch Body, 2 Inch Inlet/Outlet
    x
                

    Smithy's Glass Pack Mufflers are designed for great performance with excellent tone. Double end cap construction and 3-1/2" hammertone finished cases assure the original Smithy look.

    • World's oldest performance muffler
    • Perfect for that resto-rod or 1950's custom
    • 3-1/2" diameter seamed steel case
    • 2" I.D. inlet and outlet

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

  • Smithys Glasspack Muffler, 26 Inch Body, 2 Inch Inlet/Outlet
    Smithys Glasspack Muffler, 26 Inch Body, 2 Inch Inlet/Outlet
    x
                

    Smithy's Glass Pack Mufflers are designed for great performance with excellent tone. Double end cap construction and 3-1/2" hammertone finished cases assure the original Smithy look.

    • World's oldest performance muffler
    • Perfect for that resto-rod or 1950's custom
    • 3-1/2" diameter seamed steel case
    • 2" I.D. inlet and outlet

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

  • Smithys Glasspack Muffler, 30 Inch Body, 2 Inch Inlet/Outlet
    Smithys Glasspack Muffler, 30 Inch Body, 2 Inch Inlet/Outlet
    x
                

    Smithy's Glass Pack Mufflers are designed for great performance with excellent tone. Double end cap construction and 3-1/2" hammertone finished cases assure the original Smithy look.

    • World's oldest performance muffler
    • Perfect for that resto-rod or 1950's custom
    • 3-1/2" diameter seamed steel case
    • 2" I.D. inlet and outlet

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

  • Stainless Steel Bullet Muffler
    From: $87.99
    Stainless Steel Bullet Muffler
    x
                This stainless steel bullet muffler features a 16 gauge stainless steel wall and is fiberglass packed. 3" diameter, 24-1/2" overall length and 18" case length, 2" I.D. inlet and outlet.   

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

  • Mufflers for 20 Inch Extensions
    Mufflers for 20 Inch Extensions
    x
                Designed to slip inside extensions. Unique baffle system wrapped with fiberglass gives headers street legal performance. (Not legal in California.)
            
  • Moroso 94054 Hi-Flow 2-1/2 Inch Polished Stainless Mufflers
    Moroso 94054 Hi-Flow 2-1/2 Inch Polished Stainless Mufflers
    x
                

    If you want good looks and high performance but have limited space, these are for you. Beautifully polished stainless steel mufflers have a small 4" O.D. and have a 12" installed length. Spiral baffle is less restrictive and won't burn out like a glasspack. 2-1/2" inlet and outlet.

    • Reduced noise levels with minimal back pressure
    • Stainless steel construction makes them durable without compromising the looks 
  • Seamless Glasspack Header Muffler, 3 Inch In, 2 Inch Out
    Seamless Glasspack Header Muffler, 3 Inch In, 2 Inch Out
    x
                

    These seamless glasspack header mufflers feature a six-row louvered core for reduced restriction and better sound absorption. Long strand sound absorption material increases muffler life. Accommodates most 3-bolt header flanges.

    3-1/2" diameter, 33-1/4" long. 2" I.D. outlets.

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

  • Dynatech   772-32520 Vortex Insert Cone, 3 Inch
    Dynatech 772-32520 Vortex Insert Cone, 3 Inch
    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)

  • Dynatech   772-32540 Vortex Insert Cones, 4-1/2 Inch
    Dynatech 772-32540 Vortex Insert Cones, 4-1/2 Inch
    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)

  • Dynatech   772-32510 Vortex Insert Cone, 3-1/2 Inch
    Dynatech 772-32510 Vortex Insert Cone, 3-1/2 Inch
    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)

  • Seamless Glasspack Header Muffler, 3-1/2 Inch In, 2 Inch Out
    Seamless Glasspack Header Muffler, 3-1/2 Inch In, 2 Inch Out
    x
                

    These seamless glasspack header mufflers feature a six-row louvered core for reduced restriction and better sound absorption. Long strand sound absorption material increases muffler life. Accommodates most 3-bolt header flanges.

    3-1/2" diameter, 33-1/4" long. 2" I.D. outlets.

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

  • Mufflers for 26 Inch Extensions
    Mufflers for 26 Inch Extensions
    x
                Designed to slip inside extensions. Unique baffle system wrapped with fiberglass gives headers street legal performance. (Not legal in California.)
            
  • Dynatech   772-32530 Vortex Insert Cones, 4 Inch
    Dynatech 772-32530 Vortex Insert Cones, 4 Inch
    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)

  • Seamless Glasspack Header Muffler, 2-1/2 Inch In, 2 Inch Out
    Seamless Glasspack Header Muffler, 2-1/2 Inch In, 2 Inch Out
    x
                

    These seamless glasspack header mufflers feature a six-row louvered core for reduced restriction and better sound absorption. Long strand sound absorption material increases muffler life. Accommodates most 3-bolt header flanges.

    3-1/2" diameter, 33-1/4" long. 2" I.D. outlets.

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

  • Garage Sale - Flowmaster 40 Series Delta Force Muffler, 4-1/2 Inch Inlet/Outlet
    Garage Sale
    Garage Sale - Flowmaster 40 Series Delta Force Muffler, 4-1/2 Inch Inlet/Outlet
    x
                

    If you are required to run mufflers on your race car, they had better not steal any horsepower. The Flowmaster Delta Force Race Series of mufflers may even make a horsepower or two while reducing noise levels. Body measures 10" wide and 5" thick. All pipe measurements are I.D.

     

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Flowmaster 40 Series Delta Force Muffler, 3-1/2 Inch Inlet/Outlet
    Garage Sale
    Flowmaster 40 Series Delta Force Muffler, 3-1/2 Inch Inlet/Outlet
    x
                If you are required to run mufflers on your race car, they had better not steal any horsepower. The Flowmaster Delta Force Race Series of mufflers may even make a horsepower or two while reducing noise levels. Body measures 10" wide and 5" thick. All pipe measurements are I.D.
            
  • Garage Sale - 3-1/2 Inch Collector Muffler, 19 Inches Long
    Garage Sale
    Garage Sale - 3-1/2 Inch Collector Muffler, 19 Inches Long
    x
                Please view the product's page for more information
            
  • Garage Sale - 3.5" Quick Tune Muffler
    $129.99
    $199.99
    Garage Sale
    Garage Sale - 3.5" Quick Tune Muffler
    x
                

    This is garage sale priced because it is older stock.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Dynatech   3-1/2 Inch Quick-Tune Slip-On Race Muffler
    Garage Sale
    Garage Sale - Dynatech 3-1/2 Inch Quick-Tune Slip-On Race Muffler
    x
                

    Dynatech® designed these fully adjustable slip-on race mufflers to meet various sound requirements without sacrificing power. They feature a high-flow core assembly, stainless steel packing material so there's no burnout or repacking needed, and a high-temperature silver ceramic coating. The included straight and turn-down tips give you 6-position adjustment, so routing your exhaust is a breeze. You can expect a sound reduction from 4 to 8 dB, depending upon the cone and outlet combination. 

     

    This muffler is garage sale priced because the ceramic coating is not very good on one side.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Garage Sale - 22 Inch Steel Muffler
    $14.99
    $34.99
    Garage Sale
    Garage Sale - 22 Inch Steel Muffler
    x
                

    This item is garage sale priced because it's not a regularly stocked item.  Inlet tube is bend and needs to be expanded again.  Includes clamp.

     

    **NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS**

     

    Steel bodied muffler.

     

    • 22" long case
    • 3-3/4" diameter case
    • 1-3/4 O.D. Chrome tip (tip is 8-1/2" long)
    • 1-1/2" inlet I.D.
    • 33-1/4" end to end length
    • Welded on mounting arm

     

  • Garage Sale - Dynatech   Quick Tune Collector/Muffler 2-1/8 X 4
    Garage Sale
    Garage Sale - Dynatech Quick Tune Collector/Muffler 2-1/8 X 4
    x
                

    This collector/muffler includes 3 drop in stainless steel silencing cones for sound level adjustment and a straight and downturn outlet that can be indexed in any of 6 positions.  It also is high temperature silver ceramic coated for protection.  

     

    Includes:

    • Both straight and turn down outlet (can be indexed to six positions)
    • Three drop-in stainless steel silencing cones for sound level adjustment
    • 6'' x 12'' CNC-spun outer shell
    • Stainless steel packing material
    • Pan-E-Vac adapter

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
  • Garage Sale - Quick Tune Muffler - 2"
    $249.99
    $329.99
    Garage Sale
    Garage Sale - Quick Tune Muffler - 2"
    x
                

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Dynatech   Quick-Tune Collector Muffler, 2.375 Inch Inlets, 4.5 Inch Outlets
    Garage Sale
    Garage Sale - Dynatech Quick-Tune Collector Muffler, 2.375 Inch Inlets, 4.5 Inch Outlets
    x
                

    This collector/muffler includes 3 drop in stainless steel silencer cones for sound level adjustment and a straight and downturn outlet that can be indexed in any of 6 positions.  It also is high temperature silver ceramic coated for protection.  

    This collector muffler is garage sale priced because it has some rust on the inside.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Garage Sale - 22 Inch Steel Muffler
    $19.99
    $34.99
    Garage Sale
    Garage Sale - 22 Inch Steel Muffler
    x
                

    This item is garage sale priced because it's not a regularly stocked item.  Includes clamp.

     

    **NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS**

     

    Steel bodied muffler.

     

    • 22" long case
    • 3-3/4" diameter case
    • 1-3/4 O.D. Chrome tip (tip is 8-1/2" long)
    • 1-1/2" inlet I.D.
    • 33-1/4" end to end length
    • Welded on mounting arm
  • Garage Sale - Dynatech   Quick Tune Muffler - 2-1/8" x 4"
    Garage Sale
    Garage Sale - Dynatech Quick Tune Muffler - 2-1/8" x 4"
    x
                

    This collector/muffler includes 3 drop in stainless steel silencing cones for sound level adjustment and a straight and downturn outlet that can be indexed in any of 6 positions.  It also is high temperature silver ceramic coated for protection.  

     

    This muffler is garage sale priced because it has some minor scratches.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

     

  • Garage Sale - Dynatech 776-14402 Oval Split Flow Muffler, 4 Inch
    Garage Sale
    Garage Sale - Dynatech 776-14402 Oval Split Flow Muffler, 4 Inch
    x
                

    The Split-Flow racing muffler is the "hot topic" among racers, and for good reason. The exclusive dual pattern core reduces dB level while maintaining a powerful sound. The all-aluminized, full welded construction makes it a top choice for racing and high performance applications. 

    • Straight-thru design for maximum flow
    • Stainless steel sound absorbing material for no burnout
    • Lightweight design (only 7.2 lbs)
    • Meets or exceeds db requirements at most muffler-required sanctioned events
    • Typical 8-10 dB reduction
    • Case Length:  14"
    • Case Width:  7"
    • Case Thickness:  4.5"
    This muffler is garage sale priced because the baffles inside are rusty.
     
    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS  
  • Garage Sale - 4" Quick Tune Muffler
    $129.99
    $199.99
    Garage Sale
    Garage Sale - 4" Quick Tune Muffler
    x
                

    This is garage sale priced because it is older stock.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • GARAGE SALE - FLOWMASTER 40 SERIES DELTA FORCE MUFFLERS
    Garage Sale
    GARAGE SALE - FLOWMASTER 40 SERIES DELTA FORCE MUFFLERS
    x
                

    If you are required to run mufflers on your race car, they had better not steal any horsepower. The Flowmaster Delta Force Race Series of mufflers may even make a horsepower or two while reducing noise levels. Body measures 10" wide and 5" thick. All pipe measurements are I.D.

     

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Hi-Flow 3-1/2 Inch Polished Stainless Steel Mufflers
    Garage Sale
    Garage Sale - Hi-Flow 3-1/2 Inch Polished Stainless Steel Mufflers
    x
                

    If you want good looks and high performance but have limited space, these are for you. Beautifully polished stainless steel mufflers have a small 4" O.D. and have a 12" installed length. Spiral baffle is less restrictive and won't burn out like a glasspack. 3-1/2" I.D. inlet and outlet.

    • Reduced noise levels with minimal back pressure
    • Stainless steel construction makes them durable without compromising the looks 

    These items are garage sale priced because they have been discontinued from our current product line.

    NO RETURNS, NO WARRANTY ON GARAGE SALE PRODUCTS

  • Garage Sale - Quick Tune Muffler
    $199.99
    $275.99
    Garage Sale
    Garage Sale - Quick Tune Muffler
    x
                

    Dynatech® designed these fully adjustable slip-on race mufflers to meet various sound requirements without sacrificing power. They feature a high-flow core assembly, stainless steel packing material so there's no burnout or repacking needed, and a high-temperature silver ceramic coating. The included straight and turn-down tips give you 6-position adjustment, so routing your exhaust is a breeze. You can expect a sound reduction from 4 to 8 dB, depending upon the cone and outlet combination.

     

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Dynatech   Quick-Tune Race Muffler
    Garage Sale
    Garage Sale - Dynatech Quick-Tune Race Muffler
    x
                

    Dynatech® Quick-Tune Race Muffler

  • Compact, 6'' x 12'' CNC-spun outer shell
  • Blueprinte hi-flow core assembly
  • Includes three drop-in stainless steel silencing cones for sound level adjustment
  • Includes both straight and turn down outlet (can be indexed to six positions)
  • Stainless steel packing material, no burn out or repacking
  • High temperature silver ceramic coated
  • Choose slip-on or collector/ muffler versions
  • Collector/ muffler includes Pan-E-Vac adapter
  • Easily meets NHRA 95 dB sound requirements on most applications
  •  

     

    This Muffler is Garage Sale priced because it has some scratches.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS


     

  • Garage Sale - 18" Chrome Bologna Cut Muffler
    Garage Sale
    Garage Sale - 18" Chrome Bologna Cut Muffler
    x
                

    This chrome Bologna cut muffler has a 1.75" inlet and a 3" outlet. 

     

    This muffler is garage sale priced because the chrome is peeling and it has a few minor scratches.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Garage Sale - 3 Inch Super Trapp Replacement Core
    Garage Sale
    Garage Sale - 3 Inch Super Trapp Replacement Core
    x
                

    Steel Super Trapp replacement muffler insert. These have a 3 inch inlet/outlet.

     

    This is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • Garage Sale - Dynatech   Quick Tune Collector/Muffler 2-3/8 X 4-1/2
    Garage Sale
    Garage Sale - Dynatech Quick Tune Collector/Muffler 2-3/8 X 4-1/2
    x
                

    This collector/muffler includes 3 drop in stainless steel silencer cones for sound level adjustment and a straight and downturn outlet that can be indexed in any of 6 positions.  It also is high temperature silver ceramic coated for protection.  

    This collector/muffler is garage sale priced because it has a few scratches in the coating.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Garage Sale - Polished Stainless Steel Muffler, 16Inches Long, 3.5 Inch In/Out
    Garage Sale
    Garage Sale - Polished Stainless Steel Muffler, 16Inches Long, 3.5 Inch In/Out
    x
                

    Polished stainless steel muffler

     

    16" Long

    3.5" Inlet/Outlet

     

    This muffler is garage sale priced because it has a few dings and dents.  

     

     NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS  

     

  • Garage Sale - Dynatech   Quick Tune Muffler - 2-1/8" x 4"
    Garage Sale
    Garage Sale - Dynatech Quick Tune Muffler - 2-1/8" x 4"
    x
                

    This muffler is garage sale priced because it has some scratcehes and minor rust on the inside. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Quick Tune Muffler - 2-3/8" - 4" Outlet
    Garage Sale
    Garage Sale - Quick Tune Muffler - 2-3/8" - 4" Outlet
    x
                

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Dynatech   Quick Tune Muffler - 2-1/4" x 4"
    Garage Sale
    Garage Sale - Dynatech Quick Tune Muffler - 2-1/4" x 4"
    x
                

    This collector/muffler includes 3 drop in stainless steel silencing cones for sound level adjustment and a straight and downturn outlet that can be indexed in any of 6 positions.  It also is high temperature silver ceramic coated for protection.  

     

    This muffler is garage sale priced because it has some scratches and minor rust on the inside.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Hi-Flow Polished 3 Inch Stainless Mufflers
    Garage Sale
    Garage Sale - Hi-Flow Polished 3 Inch Stainless Mufflers
    x
                

    If you want good looks and high performance but have limited space, these are for you. Beautifully polished stainless steel mufflers have a small 4" O.D. and have a 12" installed length. Spiral baffle is less restrictive and won't burn out like a glasspack. 3" I.D. inlet and outlet.

    • Reduced noise levels with minimal back pressure
    • Stainless steel construction makes them durable without compromising the looks 

    We have garage sale priced this item to help liquidate inventory. 

    NO RETURNS, NO WARRANTY ON GARAGE SALE ITEMS 

  • Garage Sale - Quick Tune Collector Muffler - 2-1/4"
    Garage Sale
    Garage Sale - Quick Tune Collector Muffler - 2-1/4"
    x
                

    Dynatech® designed these fully adjustable collector race mufflers to meet various sound requirements without sacrificing power. They feature a high-flow core assembly, stainless steel packing material so there's no burnout or repacking needed, and a high-temperature silver ceramic coating. The included straight and turn-down tips give you 6-position adjustment, so routing your exhaust is a breeze. You can expect a sound reduction from 4 to 8 decibels, depending upon the cone and outlet combination. 4" outlet.

     

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

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