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How to upgrade your 6.7L Cummins turbo while staying emissions-legal — what compliance means, how Canada and the US differ, and why a VGT drop-in keeps you road-legal.
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Where the stock HE300VG runs out of airflow, the signs you've outgrown it, and the upgrade paths — billet wheel or drop-in — that raise your 6.7L Cummins power ceiling.
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Why HE300VG vanes stick and how to prevent it — driving habits, exhaust-brake use, oil, and winter care that keep your 6.7L Cummins VGT moving freely.
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The supporting mods that make an HE300VG upgrade work — tuning, exhaust, fuelling, EGT monitoring, and oil drainage — with reliability and emissions-legal operation in mind.
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A buyer's guide to HE300VG drop-in turbo upgrades — what to look for, how they compare to the stock unit, and why the True North Turbos HE300VG 63mm fits 2007.5–2018 6.7L Cummins.
