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$699.99
$599.99
SuperMaxx 99-06 Chevy 1500 Truck/SUV/Hummer 4.8L/5.3L Tubes w/ Cats
SuperMaxx 99-06 Chevy 1500 Truck/SUV/Hummer 4.8L/5.3L Tubes w/ Cats

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

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SuperMaxx 99-06 Chevy 1500 Truck/SUV/Hummer 4.8L/5.3L Tubes w/ Cats
SuperMaxx 99-06 Chevy 1500 Truck/SUV/Hummer 4.8L/5.3L Tubes w/ Cats
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We estimate this item will ship on or before November 1st.
Part # 31171584120
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 12 business days for Dynatech to ship this item.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Info

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)

Item Details

'Fits: ''00-''06 Hummer H2
''99-''06 Chevy/GMC truck/SUV'

Notes

  1. Intermediate pipes come with Square O2 extension cables. Some trucks came equipped with Trapezoidal shaped O2 extension cables. If you have Trapezoidal shaped extensions, you will also need to order extension cable 311-88635300F (listed).
  2. These products are intended for racing and off-road applications. Not legal for sale or use in the state of California, nor in states which have adopted California emissions standards.

Specs

  • 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
Some parts are not legal for use in California or other states with similar laws/regulations

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