You Have a Right to Repair and Replace: New at Reason

Recently I began to search for a used GMC Yukon SUV. My goal was to bolt on an aftermarket supercharger. It wasn’t necessarily a sensible plan, but it did seem like a pretty cool idea. Thanks to a whopping 6.2-liter V8 engine, a Whipple supercharger would make that vehicle churn out nearly 600 horsepower of good ol’ American tire-shredding glory.

I already knew about California’s draconian emissions regulations, which view the prospect of modifying an internal combustion engine with such hostility that they must have been drafted by electric car impressario Elon Musk himself. And I was prepared to dodge and weave around those requirements. But first I needed to figure out whether that much aftermarket fury would violate General Motors’ factory warranty, writes Declan McCullagh.

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