Lmao in the second link you posted the bottom two cars it lists on the horsepower charts says that it increased by 7hp but they say the stock rating was higher then the rating after the supercharger..wtf?
True Blue Crew Member #2 315's Crew Member (Dat azz) 255/298 bolt-on's and stuff
If those companies would give me one of those for free and pay for my dyno time, I would install it on my Lincoln and confirm that these things are horse shit
yeah right and they would effectively prove their own product wrong and put themselves out of business haha. They just hope that the people who buy this kind of stuff are dumb enough to not challenge these claims