AEM Induction Systems has released their cold air intake for the 2011 Honda CR-Z. Estimated horsepower gains are around 4HP @ 5400 RPM. Unfortunately it’s not street legal in all 50 states, but that is not unusual as long as states like California exist. Weight is about 8.3 lbs (3.8 kg), comes in black chrome color, and can be purchased with the optional black filter wrap accessory.
Location of filter head is within the front cavity as shown in the install documentation:
Install Instructions: Honda CR-Z CAI
Available for purchase at Bulletproof Automotive: