Because your vortech puts a huge heat source in your engine bay where there wasn't one before. And not to mention the addition of methanol, a flammable liquid.
The rule is for any AFTERMARKET power adder. A factory turbo/supercharged vehicle has the engine bay designed around the additional heat source, an aftermarket kit may not, especially if its a home brewed kit
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2016 1SS A8: FBO + Circle D + P1X + Meth + Tuned by Pray Performance
Stock Longblock
800 SAE rwhp. 9.4 @ 145 mph.
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