I removed the cover today. I'll probably be putting it back on. It feels like from 4,000 rpms and up lost it's torque. I can't believe how restrictive the system is. Quite the small inlet sucking the air in.
Current- 2016 Race Red Focus ST1
Traded In - Sedan Revolution #249 - 2012 SE Sport - ╠╬╝ - Ingot Silver - 201A - K&N w/ snorkel delete - Blox Type R Knob