More boost=more heat, more chance of it detonating and blowing up your engine. Exactly how much boost depends on your engine's compression ratio, gas octane, timing, etc...
Allows you to run more power cause the cooler air charge allows you to cram more air into a given volume at the same psi vs hot air. More air+more fuel=more power.
2000 Rio Red I4 Cougar
200whp & 210wtq at 9psi
254whp & 276wtq with NX 35shot
WRX TD04 Turbo, Cut Short Shifter, Strut Tower Bar, 17" ZN Wheels, Roush Springs, Starion Intercooler, NX 35 shot, HKS SS BOV, Full 3" exhaust,StreetFlight Chip
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