Product Summary

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  • This is a new item in factory packaging we will no longer be carrying or stocking

Key Specs

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Need To Know

This Product Will Ship Free

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Ineligible for Return

Contains items that cannot be returned


Garage Sale Product

Dynatech® Stainless Steel Header System for the '19-'22 Chevy/GMC 1500 Truck and SUV. O2 extension cables, triple layer stainless steel gaskets, header bolts, and all installation hardware are included. Catted or non-catted intermediate sections available. All Dynatech® headers come with full color instructions for easy installation. 5.3L Engine = +24 Horsepower and +25 ft-lbs. Torque. These headers feature 1.750" primary tubes and 2.500" collectors. Unleash the full potential of your truck today.

  • 2019 - 2022 Chevy and GMC 1500 Truck and SUVs
  • O2 extension cable, triple layer stainless steel gaskets, header bolts, and hardware included
  • Feature 1.75" primary tubes and 2.5" collector
  • 24 Horsepower and 25 ft-lbs. Torque increase for 5.3L engine

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


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