Arryn Milne wrote: "...it occured to me that the intercooler provides a nice boost to HP...but that only happens while the car is moving. In city traffic the intercooler would seem to be pretty useless." More horse power for a car that's not moving? If you need more power to sit in traffic, try an electric car....maximum torque instantly, from 1 to 10,000 rpm's. =) Bryan Carter