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

Shop Muscle Car Headers & Exhaust At Speedway Motors

Speedway Motors has the muscle car headers and mufflers you need, at a price you can afford. Check out our huge inventory of chassis headers, LS1 swap 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 dual exhaust kits as well. With an awesome selection of high performance Flowmaster mufflers, exhaust wrap, glasspacks, and exhaust tips, Speedway can help you get the roar you want from your muscle car without the roar from your wife for spending too much money!

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.
            
  • Dynatech PowerCat High Flow Catalytic Converter, 2-1/2 Inch In/Out
    Dynatech PowerCat High Flow Catalytic Converter, 2-1/2 Inch In/Out
    (Part #31177940025)
    x
                

    These metallic substrate catalytic converters feature a stainless steel shell and are only 4" in diameter and 11-1/2" long. The PowerCAT outflows both stock and other "hi-flow" conveters while still performing its job.

    • Superior strength & durability
    • The cell count is 300 cells per inch
    • Flow rate is 400 cfm
    • Stainless steel housing
    • Quicker lightoff due to higher thermal conductivity
    • Low pressure drop
    • Higher flow rates compared to stock & most aftermarket converters
    Flow Comparison Chart (Link)

     

  • Garage Sale - SuperMaxx 2005-08 Corvette C6 Intermediate Tubes w/o Cats - 2-1/2 Inch
    New
    Garage Sale - SuperMaxx 2005-08 Corvette C6 Intermediate Tubes w/o Cats - 2-1/2 Inch
    (Part #AUP3411)
    x
                

    This intermediate pipe is garage sale priced because it is new old stock. 

     No Warranty, No Returns On Garage Sale Items

    Gain up to 16 HP and 16 Ft. Lbs. over factory exhaust! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your car winning performance both on and off the track. Designed to be a direct replacement fit for restrictive factory exhaust and catalytic converter systems, these systems are a great way to get that extra power you are looking for.

    NOTE: All Non-ZO6 Corvettes came standard w/ 2-1/2" exhaust.

    '05 - '10 C6/Z06 Installation Instructions (PDF)

  • Stainless Steel Exhaust/Muffler Tube Clamps
    Stainless Steel Exhaust/Muffler Tube Clamps
    (Part #91013001)
    x
                

    These superior quality muffler tube clamps/u-bolts are 100% stainless steel. They are ideal for any exhaust system and feature a saddle-type clamp for added strength. Choose plain or polished. Choose from 1-1/2", 1-5/8", 1-3/4", 1-7/8", 2", 2-1/8", 2-1/4", and 2-1/2" sizes available. Thread size on tube clamps is 8mm-1.25.

    • Stainless steel
    • Ideal for any exhaust system 
    • Saddle-type clamp for added strength
    • Thread size on clamps is 8mm-1.25
    • Choose plain or polished
    • Choose from 1-1/2", 1-5/8", 1-3/4", 1-7/8", 2", 2-1/8", 2-1/4", and 2-1/2" pipe diameter
  • Polished Stainless Exhaust Tubing
    From: $17.99
    Product Rating: 4.78 Stars
    Polished Stainless Exhaust Tubing
    (Part #910133)
    x
                

    Our fully polished 304 grade seamed stainless steel tubing has a wall thickness of .07" (15 gauge) which makes it perfect for building weld up headers or exhaust systems. Pair this header tubing with one of our stainless header flanges for the perfect set of custom headers. Sizes available are listed by the outside diameter (O.D.) dimension.

    • Available in 1"-3" O.D., sold by the foot
    • Made of 100% polished stainless steel
    • Seamed 15 gauge
    • UPS up to 7'
    • Priced per ft.
    1. If you want us to cut the tubing into smaller lengths than you are ordering, please tell us the lengths of tubing you need by keying that information into our comment area located just above the payment information of Step 2 of the Checkout Process.
    2. If your tubing can be cut in 3 ft. or 4 ft. lengths, the price will be discounted $1.00/ft.
    3. Please keep in mind that the longest piece that can ship by UPS is 7 feet. The longest piece that can ship by truck is 10 feet.
    4. There are no returns on this stainless steel exhaust tubing.
  • Garage Sale - Dynatech Chevy Street Stock Headers, 1-3/4 - 1-7/8, 3-1/2 Collector
    New
    Garage Sale - Dynatech Chevy Street Stock Headers, 1-3/4 - 1-7/8, 3-1/2 Collector
    (Part #AUP3617)
    x
                

    This is garage sale priced because it has been discontinued.

    No Warranty, No Returns on Garage Sale Items    

     

    Fits Following Models: Camaro ('70-'81). Chevelle ('64-'77), Monte Carlo ('72-'77) & Chevy II Nova ('75-'79)

    • Fits in stock location or with additional engine setback
    • For Standard Chevy or Crate Engine applications
    • Designed for straight plug heads only
    • Clears stock clutch linkage
    • Gaskets, bolts and hardware included

    Header Dimension Chart 

  • Small Block Chevy Tight Fit Headers, AHC Coated
    Small Block Chevy Tight Fit Headers, AHC Coated
    (Part #9300101H)
    x
                

    These AHC small-block Chevy tight fit headers are the most universal steel tube headers available. These performance headers fit difficult applications where space is limited. They are a favorite for street rods, as well as many 1950's and 1960's cars and vintage trucks. These ceramic coated headers provide superior performance and durability.

    Tight Tuck headers are the solution to many problems associated with engine swaps in modern street rods. Tight Tucks fit in the tightest of engine compartments and clear all stock motor mounts. Most headers are manufactured from durable 16-gauge tubing and comes complete with gaskets, header bolts and collector reducers.

    • Most tight fit header applications require the use of Accel shorty spark plugs
    • Round port
    • Compact design
    • Will NOT fit angle plug heads
    • Includes reducers, gaskets and bolts
    • Armor Hot Coat finish

    Header Dimensions (JPG)

  • 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.
            

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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 bolts feature an Allen head type. They are perfect for headers and work well for other applications also.  Allen Head header bolts have 3/8"-16 X 3/4" long threads.

    • 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. 

  • GM 5.3/6.0 Truck Exhaust Flanges, Mild Steel, 2.25 Inch
    GM 5.3/6.0 Truck Exhaust Flanges, Mild Steel, 2.25 Inch
    (Part #9160002)
    x
                

    You just bought your LS and plan on using the factory exhaust manifolds, but noticed they have odd shaped collector flanges. Now what? These flanges bolt to the factory factory manifold and allow for a smooth installation. Flanges are 3/8" thick.

    Specify driver or passenger side.

  • LS1 Chevy Header Flange Plates, Round Port, 1-5/8 Inch
    LS1 Chevy Header Flange Plates, Round Port, 1-5/8 Inch
    (Part #41811017)
    x
                

    LS1 Chevy exhaust manifold flange plates for headers have round ports and are CNC cut from 5/16" thick mild steel.

     

  • 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
                

    Dynatech® has a wide variety of metric header bolts to fit your heads.

  • Dynatech 794-60207 Mild Steel J-Bend, 2-1/4 Inch
    Dynatech 794-60207 Mild Steel J-Bend, 2-1/4 Inch
    (Part #31179460207)
    x
                

    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)
    x
                Schoenfeld header gaskets for Small Block Mopar 273-318-340-360.
            
  • Dynatech Big Block Chevy Two Step Dragster Headers, 2-3/8 - 2-1/2
    Dynatech Big Block Chevy Two Step Dragster Headers, 2-3/8 - 2-1/2
    (Part #31175099410)
    x
                

    Get the most out of your high performance engine with these drag racing headers from Dynatech®.  Sold as a pair, these stepped primary headers feature 360° gusset supports for increased durability and all come with a beautiful chrome finish.

    • Stepped 2-3/8" - 2-1/2" tubes
    • 4-1/2" merge collector included
    • Equal length for superior acceleration
    • Large radius, CNC mandrel bent
    • CNC laser cut flanges for superior fit
    • Chrome finish
    • For BBC Pro Stock, Comp, S/G, or Strut Front car
  • Dynatech Stainless Steel LS Header Flange, 1.940 Inch Port, 3/8 Thick
    Dynatech Stainless Steel LS Header Flange, 1.940 Inch Port, 3/8 Thick
    (Part #31179616061)
    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. 
    • For GM LS1 V-8 engines
    • Flanges are sold individually
    • Use with Stainless Gaskets
  • Dougs Headers DEC300A Stainless Steel Electric Exhaust Cut-Outs-3 Inch
    Dougs Headers DEC300A Stainless Steel Electric Exhaust Cut-Outs-3 Inch
    (Part #447303)
    x
                These rugged Doug's Headers electric exhaust  cutouts allow you to convert to a wide-open, unobstructed exhaust system  with the flip of a dash-mounted switch. Doug's electric exhaust cutouts  are built to last; they feature full stainless steel construction with a  heavy-duty Dayton gear reduction rack and pinion electric drive  mechanism. Best of all, these cutouts use a self-cleaning, knife-edge  seat for a leakproof seal every time, whether open or closed. Doug's  Headers electric exhaust cutouts include a pre-wired harness, a toggle  switch, and fuses for an easy installation.
    • 3.000 in.
    • Stainless steel
    • Sold as a pair
    • Includes wiring harness
  • Stainless Steel Exhaust Bend, 90 Degree, 2-1/2 Inch
    Stainless Steel Exhaust Bend, 90 Degree, 2-1/2 Inch
    (Part #91013888)
    x
                

    Each pipe is expanded on one end to allow easy installation. 16-gauge T304 stainless material. Natural, uncoated finish.

  • 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).

  • Stainless Steel Exhaust Bend, 90 Degree, 2-1/4 Inch
    Stainless Steel Exhaust Bend, 90 Degree, 2-1/4 Inch
    (Part #91013884)
    x
                

    Each pipe is expanded on one end to allow easy installation. 16-gauge T304 stainless material. Natural, uncoated finish.

  • 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
                

    Dynatech® has a wide variety of header bolts to fit your heads.

  • 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.

  • Hot Stuff Exhaust Manifold Dressing
    Hot Stuff Exhaust Manifold Dressing
    (Part #91044079)
    x
                Hot Stuff is more than just ordinary header paint. This space-age blend of stainless steel and ceramic compounds is the ideal coating for cast iron exhaust manifolds! It withstands 2400F° (manifolds rarely exceed 1200°F). Only minimal preparation is required. Easily applied with a small brush or a rag. Coating heat-cures by simply running the engine for 10 minutes. Leaves a durable, raw cast iron appearance.

    A 2 oz. container will do 2-4 exhaust manifolds on average. Not recommended for tube steel headers.

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