How GM Cylinder Deactivation Causes Excessive Oil Consumption
2026-09-28
Hi, I'm Mark Peterson. With 20 years under the hood of heavy-duty diesel trucks, I’ve seen every wrench turn and sensor failure imaginable.
As the lead editor at EGR Performance, my mission is to help Powerstroke, Cummins, and Duramax owners push their engines to the limit without the headaches of Limp Mode or endless CEL codes. I don't just review parts—I provide field-tested solutions based on two decades of diagnostic data.
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The pipe is not correct do not order this it is welded to the wrong side of the flange so it is completely useless the company is unwilling to correct the mistake and instead want me to return the product pay the shipping overseas and eat the cost and now will not respond at all
Works great and performance is actually better worth the money
Fit perfectly. Works great looks fantastic
Haven’t felt the difference
Not sure how to tell
Exactly what is advertised. Easy install