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

"Classic Truck, Exhaust System Kits" Page 1 of 1

  • Garage Sale - Dynatech Muscle Maxx 1968-72 Chevelle Stainless Dual Exhaust, 3 Inch
    Garage Sale
    Garage Sale - Dynatech Muscle Maxx 1968-72 Chevelle Stainless Dual Exhaust, 3 Inch
    SKU-AUP2341
    x
                

    These stainless steel mandrel bent dual exhaust kits were designed specifically for the 1968-72 Chevelle. You will not find a better engineered kit on the market. They can be adapted to any header combination but were designed to be used with Dynatech® MuscleMaxx headers and reducer cones.

    These are made from 304 stainless

    Includes lead pipes, intermediate pipes, mufflers, tailpipes and hardware.

     

    This is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • SuperMaxx 2006-2008 Dodge Ram 1500 2WD/4WD Intermediate Tubes w/ Cats
    SuperMaxx 2006-2008 Dodge Ram 1500 2WD/4WD Intermediate Tubes w/ Cats
    SKU-31172484720
    x
                

    Gain 17 HP and 15 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Dodge Ram 1500 2WD maximum performance both on and off road. 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.

    • System Tube Size: 2-1/2"
    • Material: All Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    2006-2008 Instructions (PDF)

  • SuperMaxx 07-10 Chevy/GMC 1500 Truck and SUV Intermediate Tubes w/o Cats
    SuperMaxx 07-10 Chevy/GMC 1500 Truck and SUV Intermediate Tubes w/o Cats
    SKU-31171514130
    x
                

    Gain a 106% increase in flow over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Chevy Silverado/GMC Sierra 1500 V8 maximum performance both on and off road. 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.

    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    Instructions (PDF)

  • Flowmaster 15937 3 Inch U-Fit Dual Exhaust Kit
    Flowmaster 15937 3 Inch U-Fit Dual Exhaust Kit
    SKU-37815937
    x
                

    These 16-gauge mandrel bent kits are for you guys who are doing your own thing and building your own dual exhaust. Includes front adaptor pipes, intermediate pipes, H-pipe assembly, over the axle pipes and a couple different tailpipes. Each piece is aluminized and has a slip-fit connection. 

    The new U-Fit dual pipe kits come complete with all the pipes you need to build a custom dual exhaust system in 2.25, 2.50 and 3.00- inch pipe diameters. Includes:

    • Front adapter pipes
    • Intermediate pipes
    • H-pipe assembly
    • Over-the-axle pipes
    • Your choice of optional tailpipe exits.
    • Slip-fit connections for easy assembly
    • Mandrel bent, 16-gauge aluminized steel tubing
    • Does not come with any hardware.
    • At the connection points, one end is expanded for assembly purposes

    U-Fit Exhaust Installation Instructions (PDF)

  • Mild Steel Exhaust Bend Kit, 2-1/2 Inch
    Mild Steel Exhaust Bend Kit, 2-1/2 Inch
    SKU-91013824
    x
                

    Sometimes it's just easier to do it yourself than have someone else screw it up for you. These exhaust bend kits include enough tubing to allow you to run your own exhaust system the way you want it. Each pipe is expanded on one end to allow easy installation. Clamps sold separately. Natural, uncoated finish. Not aluminized.

    • Four 48" Straight Pipes
    • Four 90 Degree Pipes
    • Four 45 Degree Pipes 
    • Four 180 Degree U-Bends
  • Stainless Steel Exhaust Bend Kit, 2-1/4 Inch
    Stainless Steel Exhaust Bend Kit, 2-1/4 Inch
    SKU-91013826
    x
                

    Sometimes it's just easier to do it yourself than have someone else screw it up for you. These exhaust bend kits include enough tubing to allow you to run your own exhaust system the way you want it. Each pipe is expanded on one end to allow easy installation. Clamps sold separately. Natural, uncoated finish.

    • Four 48" Straight Pipes
    • Four 90 Degree Pipes
    • Four 45 Degree Pipes 
    • Four 180 Degree U-Bends
  • Stainless Steel Exhaust Bend Kit, 2-1/2 Inch
    Stainless Steel Exhaust Bend Kit, 2-1/2 Inch
    SKU-91013828
    x
                

    Sometimes it's just easier to do it yourself than have someone else screw it up for you. These exhaust bend kits include enough tubing to allow you to run your own exhaust system the way you want it. Each pipe is expanded on one end to allow easy installation. Clamps sold separately. Natural, uncoated finish.

    • Four 48" Straight Pipes
    • Four 90° Pipes
    • Four 45° Pipes 
    • Four 180° U-Bends
  • SuperMaxx 07-10 Chevy/GMC 1500 Truck and SUV 6.2L Interm Tubes w/o Cats
    SuperMaxx 07-10 Chevy/GMC 1500 Truck and SUV 6.2L Interm Tubes w/o Cats
    SKU-31171514230
    x
                

    Gain a 106% increase in flow over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Chevy Silverado/GMC Sierra 1500 V8 maximum performance both on and off road. 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.

    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    Instructions (PDF)

  • SuperMaxx 2007-09 Hummer H2 Intermediate Tubes w/o Cats
    SuperMaxx 2007-09 Hummer H2 Intermediate Tubes w/o Cats
    SKU-31171514330
    x
                

    Gain a 106% increase in flow over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Hummer H2 6.2L Vortec maximum performance both on and off road. 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.

    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    Instructions (PDF) 

     

  • Garage Sale - Dynatech   1970-81 Camaro Stainless Dual Exhaust
    Garage Sale
    Garage Sale - Dynatech 1970-81 Camaro Stainless Dual Exhaust
    SKU-AUP1406
    x
                

    These stainless steel mandrel bent dual exhaust kits were designed specifically for the 1970-81 Camaro. You will not find a better engineered kit on the market. They can be adapted to any header combination but were designed to be used with Dynatech® MuscleMaxx headers and reducer cones.

    Includes lead pipes, intermediate pipes, mufflers, tailpipes and hardware.

     

    This is garage sale priced because it has been installed. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Dynatech 722-62220 SuperMaxx 2004-08 4WD Intermediate Tubes w/ Cats
    Dynatech 722-62220 SuperMaxx 2004-08 4WD Intermediate Tubes w/ Cats
    SKU-31172262220
    x
                

    Gain 14 HP and 9 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Ford F-150 5.4L Triton V8 maximum performance both on and off road. 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.

    • Collector Size: 2-1/2"
    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back
    • 3/8" laser-cut and machine-ground flanges for a long-lasting, tight seal
    • Computer-designed collectors for maximum air flow
    • True bolt-in — no cutting or welding
    • "OEM-style" triple-layer stainless steel gaskets included for long-term, leak-free service

    Instructions (PDF)

  • Dynatech   722-62320 SuperMaxx 2004-08 2WD Intermediate Tubes w/ Cats
    Dynatech 722-62320 SuperMaxx 2004-08 2WD Intermediate Tubes w/ Cats
    SKU-31172262320
    x
                

    Gain 14 HP and 9 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Ford F-150 5.4L Triton V8 maximum performance both on and off road. 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.

    • Collector Size: 2-1/2"
    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back
    • 3/8" laser-cut and machine-ground flanges for a long-lasting, tight seal
    • Computer-designed collectors for maximum air flow
    • True bolt-in — no cutting or welding
    • "OEM-style" triple-layer stainless steel gaskets included for long-term, leak-free service

    Instructions (PDF)

  • Garage Sale - 1961-62 Chevy Corvette Exhaust Kit
    Garage Sale
    Garage Sale - 1961-62 Chevy Corvette Exhaust Kit
    SKU-91013872.GS
    x
                

    1961-62 Chevy Corvette exhaust tubing kit. These include:

     

    • (2) 1-3/4" S Bends
    • (2) 1-3/4" Polished Exhaust Tips
    • (2) 1-3/4" Clamps
    • (2) Hangers
     

     

    This is garage sale priced because it has been discontinued.

     

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

     

  • SuperMaxx 07-10 Chevy/GMC 1500 Truck and SUV 6.2L Interm Tubes w/ Cats
    SuperMaxx 07-10 Chevy/GMC 1500 Truck and SUV 6.2L Interm Tubes w/ Cats
    SKU-31171514220
    x
                

    Gain a 106% increase in flow over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Chevy Silverado/GMC Sierra 1500 V8 maximum performance both on and off road. 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.

    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    Instructions (PDF)

  • Flowmaster 15935 2-1/4 Inch U-Fit Dual Exhaust Kit
    Flowmaster 15935 2-1/4 Inch U-Fit Dual Exhaust Kit
    SKU-37815935
    x
                

    These 16-gauge mandrel bent kits are for you guys who are doing your own thing and building your own dual exhaust. Includes front adaptor pipes, intermediate pipes, H-pipe assembly, over the axle pipes and a couple different tailpipes. Each piece is aluminized and has a slip-fit connection.

    Kit includes:
    • Front adapter pipes
    • Intermediate pipes
    • H-pipe assembly
    • Over-the-axle pipes
    • Your choice of optional tailpipe exits
    • Slip-fit connections for easy assembly
    • Mandrel bent, 16-gauge aluminized steel tubing
    • Does not come with any hardware
    • At the connection points, one end is expanded for assembly purposes

    U-Fit Dual Exhaust Installation Instructions (PDF)

  • Garage Sale - Magnaflow 1968-73 GM X-Body Crossmember Back Exhaust
    Garage Sale
    Garage Sale - Magnaflow 1968-73 GM X-Body Crossmember Back Exhaust
    SKU-AUP529
    x
                

     This kit utilizes Magnaflow's "Tru-X" pipe for optimum torque and horsepower. This kit also include two Performance SS polished mufflers and mandrel bent tailpipes.

     

     This exhaust kit is garage sale priced because it is something we don't usually offer.  The mufflers have some scratches in them.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • SuperMaxx 2004-2005 Dodge Ram 1500 4WD Catted Exhaust System
    SuperMaxx 2004-2005 Dodge Ram 1500 4WD Catted Exhaust System
    SKU-31172484620
    x
                

    Gain 17 HP and 15 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Dodge Ram 1500 4WD maximum performance both on and off road. 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.

    • Collector Size: 2-1/2"
    • System Tube Size: 2-1/2"
    • Material: All Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    2003-2004 Instructions (PDF)

  • Garage Sale - Dynatech   SuperMaxx 2011 Mustang GT 5.0 Exhaust System
    Garage Sale
    Garage Sale - Dynatech SuperMaxx 2011 Mustang GT 5.0 Exhaust System
    SKU-AUP1287
    x
                

    Gain up to 32 HP and 20 Ft. Lbs. over the factory exhaust system! Designed for a direct bolt-on fit, this system includes OBD-II compliant hi-flow PowerCAT converters and all necessary factory-style O2 sensor bungs. Features like extra thick .375" flanges and all stainless construction ensure long life, while the long 1-7/8" primary tube design and 3" system size is dyno tested to optimize power output.

    • All stainless construction
    • Long tube design
    • Bolt-on installation
    • All hardware included
    • 1-7/8" primary tubes
    • 3" cats & X-pipe

    Warning: Has NOT been test-fitted on a convertible model.

    311-72274310 Instructions (PDF)

    This exhaust kit is garage sale priced because it has been installed, run and returned. 

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Dynatech Stainless Steel 1967-69 Camaro Dual Exhaust Kit
    Garage Sale
    Garage Sale - Dynatech Stainless Steel 1967-69 Camaro Dual Exhaust Kit
    SKU-91099811.GS
    x
                

    This is garage sale priced because it was scratched and scuffed in shipping. 

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS    

     

    Take your exhaust to the Maxx!These award-winning MuscleMAXX exhaust systems from Dynatech® incorporate the latest in racing exhaust technology for increased horsepower and torque. They feature heavy-wall, aircraft-quality, stainless steel tubing throughout the system for outstanding performance and durability. The MuscleMAXX systems feature a collector connection that uses a self-aligning, sintered-metal donut gasket for a long-lasting, leak-free connection.Includes clamps not in photo.

  • SuperMaxx 2007-09 Hummer H2 Intermediate Tubes w/ Cats
    SuperMaxx 2007-09 Hummer H2 Intermediate Tubes w/ Cats
    SKU-31171514320
    x
                

    Gain a 106% increase in flow over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Hummer H2 6.2L Vortec maximum performance both on and off road. 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.

    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    Instructions (PDF) 

     

  • Garage Sale - 1967-69 Camaro/Firebird Pipes Only
    Garage Sale
    Garage Sale - 1967-69 Camaro/Firebird Pipes Only
    SKU-3781048
    x
                

    1967-69 Camaro/ Firebird Flowmaster exhaust system for V-8. All 3.00 tubing from crossmember back. Includes H-Pipe and hardware. This is the exhaust tubing only!

     

    Clearance! 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • SuperMaxx 2003 Dodge Ram 1500 2WD Intermediate Tubes w/ Cats
    SuperMaxx 2003 Dodge Ram 1500 2WD Intermediate Tubes w/ Cats
    SKU-31172484320
    x
                

    Gain 17 HP and 15 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Dodge Ram 1500 2WD maximum performance both on and off road. 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.

    • System Tube Size: 2-1/2"
    • Material: All Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    2003-2005 Instructions (PDF)

    2006-2008 Instructions (PDF)

  • SuperMaxx 2004-2005 Dodge Ram 1500 2WD Intermediate Tubes w/ Cats
    SuperMaxx 2004-2005 Dodge Ram 1500 2WD Intermediate Tubes w/ Cats
    SKU-31172484520
    x
                

    Gain 17 HP and 15 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Dodge Ram 1500 2WD maximum performance both on and off road. 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.

    • System Tube Size: 2-1/2"
    • Material: All Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    2003-2005 Instructions (PDF)

    2006-2008 Instructions (PDF)

  • Garage Sale - Dynatech   Muscle Maxx 1968-72 Chevelle Stainless Dual Exhaust, 3 Inch
    Garage Sale
    Garage Sale - Dynatech Muscle Maxx 1968-72 Chevelle Stainless Dual Exhaust, 3 Inch
    SKU-AUP1791
    x
                

    These stainless steel mandrel bent dual exhaust kits were designed specifically for the 1968-72 Chevelle. You will not find a better engineered kit on the market. They can be adapted to any header combination but were designed to be used with Dynatech® MuscleMaxx headers and reducer cones.

    These are made from 304 stainless

    Includes lead pipes, intermediate pipes, mufflers, tailpipes and hardware.

     

    This is garage sale priced because it has some scratches.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Garage Sale - Garage Sale - Dynatech   SuperMaxx 2011 Mustang GT 5.0 Exhaust System
    Garage Sale
    Garage Sale - Garage Sale - Dynatech SuperMaxx 2011 Mustang GT 5.0 Exhaust System
    SKU-AUP1344
    x
                Please view the product's page for more information
            
  • Dynatech SuperMaxx 07-10 Chevy 2500HD 6.0L Intermediate Tubes w/o Cats
    Dynatech SuperMaxx 07-10 Chevy 2500HD 6.0L Intermediate Tubes w/o Cats
    SKU-31171524130
    x
                Please view the product's page for more information
            
  • Flowmaster 15936 2-1/2 Inch U-Fit Dual Exhaust Kit
    Flowmaster 15936 2-1/2 Inch U-Fit Dual Exhaust Kit
    SKU-37815936
    x
                

    These 16-gauge mandrel bent kits are for you guys who are doing your own thing and building your own dual exhaust. Includes front adaptor pipes, intermediate pipes, H-pipe assembly, over the axle pipes and a couple different tailpipes. Each piece is aluminized and has a slip-fit connection. 

    Kit includes:

    • Front adapter pipes
    • Intermediate pipes
    • H-pipe assembly
    • Over-the-axle pipes
    • Your choice of optional tailpipe exits
    • Slip-fit connections for easy assembly
    • Mandrel bent, 16-gauge aluminized steel tubing
    • Does not come with any hardware
    • At the connection points, one end is expanded for assembly purposes

    Dual Exhaust Installation Instructions (PDF)

  • Dynatech Supermaxx 09-10 Chevy 1500 Truck/SUV Intermediate Tubes/Cats
    Dynatech Supermaxx 09-10 Chevy 1500 Truck/SUV Intermediate Tubes/Cats
    SKU-31171514420
    x
                This exhaust kit for 2009-2010 Chevy 1500 Truck & SUV 4.8/5.3L  adds 15 horsepower and 38.5 ft-lbs. torque!
    • Perfect direct bolt-on fit
    • 3/8" thick laser cut, surface machined flanges
    • 4-bolt ball & socket flanges
    • 2-bolt band clamps
    • Detailed instructions and hardware included
    • Primary Tube Size: 1-3/4"
    • Collector Size: 2-1/2"
    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Install time: 4-6 hours

    Instructions (PDF)

  • Mild Steel Exhaust Bend Kit, 2-1/4 Inch
    Mild Steel Exhaust Bend Kit, 2-1/4 Inch
    SKU-91013822
    x
                

    Sometimes it's just easier to do it yourself than have someone else screw it up for you. These exhaust bend kits include enough tubing to allow you to run your own exhaust system the way you want it. Each pipe is expanded on one end to allow easy installation. Clamps sold separately.Tubing has a natural, uncoated finish. (Not Aluminized)

    • Four 48" Straight Pipes
    • Four 90 Degree Pipes
    • Four 45 Degree Pipes 
    • Four 180 Degree U-Bends
  • SuperMaxx 2007-10 Chevy/GMC 1500 Truck/SUV Intermediate Tubes w/ Cats
    SuperMaxx 2007-10 Chevy/GMC 1500 Truck/SUV Intermediate Tubes w/ Cats
    SKU-31171514120
    x
                

    Gain a 106% increase in flow over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Chevy Silverado/GMC Sierra 1500 V8 maximum performance both on and off road. 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.

    • 3/8" laser-cut and machine-ground flanges for a long-lasting, tight seal
    • Computer-designed collectors for maximum air flow
    • True bolt-in — no cutting or welding
    • "OEM-style" triple-layer stainless steel gaskets included for long-term, leak-free service
    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    2007-2008 GMC Headers Installation Instructions (PDF)

  • Dynatech 722-62230 SuperMaxx 2004-08 4WD Intermediate Tubes w/o Cats
    Dynatech 722-62230 SuperMaxx 2004-08 4WD Intermediate Tubes w/o Cats
    SKU-31172262230
    x
                

    Gain 14 HP and 9 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Ford F-150 5.4L Triton V8 maximum performance both on and off road. 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.

    • Collector Size: 2-1/2"
    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back
    • 3/8" laser-cut and machine-ground flanges for a long-lasting, tight seal
    • Computer-designed collectors for maximum air flow
    • True bolt-in — no cutting or welding
    • "OEM-style" triple-layer stainless steel gaskets included for long-term, leak-free service

    Instructions (PDF)

  • Dynatech   722-62330 SuperMaxx 2004-08 2WD Intermediate Tubes w/o Cats
    Dynatech 722-62330 SuperMaxx 2004-08 2WD Intermediate Tubes w/o Cats
    SKU-31172262330
    x
                

    Gain 14 HP and 9 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Ford F-150 5.4L Triton V8 maximum performance both on and off road. 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.

    • Collector Size: 2-1/2"
    • System Tube Size: 2-1/2"
    • Material: T-304 Stainless Steel
    • OBD II Compliant: Yes
    • Hardware Included: Gaskets, Bolts, O2 Extensions
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back
    • 3/8" laser-cut and machine-ground flanges for a long-lasting, tight seal
    • Computer-designed collectors for maximum air flow
    • True bolt-in — no cutting or welding
    • "OEM-style" triple-layer stainless steel gaskets included for long-term, leak-free service

    Instructions (PDF)