K&N Typhoon intake system for your Toyota Scion Xb is now available.  Includes filter, heat shield, suction pipe, and all fittings.  Available in red, blue, silver, or polished.  K&N claims 8.4 wheel horsepower and it is CARB legal for you California residents.

Fits: Scion xB

Tech Tip: Easy installation, can be done in your driveway. This filter is washable and is good for 1 million+ miles