The 425 horsepower from the 6.1-liter Hemi V8 in the Dodge Challenger never had any complaints. But then again, more power is MORE POWER. So we have no problem with Procharger offering two different supercharging kits, each offering at least 150 hp. While this is nice, it doesn’t top Steve Saleen’s SMS 296 Supercharger for the Challenger.


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