John Barrett
John Barrett's Articles
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EGR Performance Writer and 20-year veteran. I turn tired trucks into high-performance off-road beasts. By removing restrictions with EGR and DPF components, I maximize power to keep these legends running stronger than new.
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Disclaimer: Brands like Powerstroke/Cummins/Duramax are for compatibility reference only. We sell aftermarket parts, not official merchandise. For off-road use only.
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Good stuff
Part took forever getting here and did not work.
GM AFM DFM Disabler 2005-2020 | Full V8 Power | No Lifter Failure
Product has been working as designed for a few weeks now. keeps vehicle always in v8 mode. thank you.
Works as advertised.