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  • SuperMaxx 1999-06 Chevy/GMC 1500/ SUV 4.8L/5.3L Intermediate Tubes w/o Cats
    SuperMaxx 1999-06 Chevy/GMC 1500/ SUV 4.8L/5.3L Intermediate Tubes w/o Cats
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    Bolt-on an additional 17 HP** over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Chevy Silverado/GMC Sierra 1500 or Hummer H2 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.

    **Dyno tested using a factory cat-back/muffler in a 5.3L application. 

    • 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

    4.8L & 5.3L Instructions (PDF)

    6.0L Instructions (PDF)

  • SuperMaxx 99-06 Chevy 1500 Truck/ SUV/ Hummer 4.8L/5.3L Interm Tubes w/ Cats
    SuperMaxx 99-06 Chevy 1500 Truck/ SUV/ Hummer 4.8L/5.3L Interm Tubes w/ Cats
    x
                

    Bolt-on an additional 17 HP** over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Chevy Silverado/GMC Sierra 1500 or Hummer H2 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

    **Dyno tested using a factory cat-back/muffler in a 5.3L application. 

    4.8L & 5.3L Instructions (PDF)

    6.0L Instructions (PDF)

  • SuperMaxx 00-06 Hummer H2/ Chevy Truck/ SUV 6.0L Interm Tubes w/ Cats
    SuperMaxx 00-06 Hummer H2/ Chevy Truck/ SUV 6.0L Interm Tubes w/ Cats
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    Gain a 106% increase in flow over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Hummer H2/ Chevy truck/ SUV 6.0L 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)

  • SuperMaxx 1999-06 Chevy/GMC 1500/ Hummer H2 Long Tube Headers Only
    SuperMaxx 1999-06 Chevy/GMC 1500/ Hummer H2 Long Tube Headers Only
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    Bolt-on an additional 17 HP** over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Chevy Silverado/GMC Sierra 1500 or Hummer H2 V8 maximum performance both on and off road. These full length headers are 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.

    • 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
    • Fit: Direct Bolt-Up to any factory or aftermarket cat back

    For ceramic coating, add Dynatech® Ceramic Coating part number 31179000100to your cart. 

    **Dyno tested using a factory cat-back/muffler in a 5.3L application. 

    4.8L & 5.3L Instructions (PDF)

    6.0L Instructions (PDF)

  • SuperMaxx 00-06 Hummer H2/ Chevy Truck/ SUV 6.0L Interm Tubes w/o Cats
    SuperMaxx 00-06 Hummer H2/ Chevy Truck/ SUV 6.0L Interm Tubes w/o Cats
    x
                

    Gain a 106% increase in flow over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Chevy 1500 truck/ SUV or Hummer H2 6.0L 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)

  • Dynatech   SuperMaxx 1998-99 Camaro/Firebird Long Tube Headers Only
    Dynatech SuperMaxx 1998-99 Camaro/Firebird Long Tube Headers Only
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    Gain up to 19 HP and 15 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your car winning performance both on and off the track. These full length headers are 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.

    For ceramic coating, add Dynatech® Ceramic Coating part number 31179000100.

    • 3/8" laser-cut and machine-ground flanges for a long-lasting, tight seal
    • Computer-designed collectors for maximum air flow
    • Low-profile four-bolt collectors
    • "OEM-style" triple-layer stainless steel gaskets included for long-term, leak-free service
    • Fits 1998-1999 Chevy Camaro and Pontiac Firebird LS1 (4th Gen. F-Body).

    Warning: Will NOT fit convertible models

    311-71573210 Instructions (PDF)

    311-71573310 Instructions (PDF)

     

  • SuperMaxx 1998-02 Camaro/Trans Am Intermediate Tubes w/o Cats
    SuperMaxx 1998-02 Camaro/Trans Am Intermediate Tubes w/o Cats
    x
                

    Gain up to 19 HP and 15 Ft. Lbs. over the factory exhaust system! 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.

    • 3/8" laser-cut and machine-ground flanges for a long-lasting, tight seal
    • Computer-designed collectors for maximum air flow
    • Low-profile four-bolt collectors
    • "OEM-style" triple-layer stainless steel gaskets included for long-term, leak-free service

    Fits 1998-1999 and 2000-2002 Chevy Camaro and Pontiac Firebird LS1 (4th Gen. F-Body).

    Warning: Will NOT fit convertible models

    311-71573210 Instructions (PDF)

    311-71573310 Instructions (PDF)

     

  • SuperMaxx 1998-02 Camaro/Trans Am Intermediate Tubes w/Cats
    SuperMaxx 1998-02 Camaro/Trans Am Intermediate Tubes w/Cats
    x
                

    Gain up to 19 HP and 15 Ft. Lbs. over the factory exhaust system! 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.

    • 3/8" laser-cut and machine-ground flanges for a long-lasting, tight seal
    • Computer-designed collectors for maximum air flow
    • Low-profile four-bolt collectors
    • "OEM-style" triple-layer stainless steel gaskets included for long-term, leak-free service

    Fits 1998-1999 and 2000-2002 Chevy Camaro and Pontiac Firebird LS1 (4th Gen. F-Body).

    Warning: Will NOT fit convertible models

    311-71573210 Instructions (PDF)

    311-71573310 Instructions (PDF)

     

  • Dynatech Trapezoidal Type O2 Extension Cables
    Dynatech Trapezoidal Type O2 Extension Cables
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    These O2 extension cables are needed for our SuperMaxx 1999-06 Chevy Truck and SUV exhaust systems.  They feature a Trapezoidal Type connection.

    • O2 extension cable
    • Trapezoidal Type
    • For 1999-06 Chevy Truck/SUV exhaust systems
  • Garage Sale - SuperMaxx 1999-06 Chevy/GMC1500/Hummer H2 Headers Only
    Garage Sale
    Garage Sale - SuperMaxx 1999-06 Chevy/GMC1500/Hummer H2 Headers Only
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                Please view the product's page for more information