This fan housing designed to replace the existing fan mount on your 1/10 TC. Requires drilling to make it fit perfectly.
Can be attached to the chassis with a servo tape, that would prevent you make holes to your chassis.
NOW IT ONLY WEIGHS 1 GRAM!
Using this housing with your existing 30x30 fan will reduce the operating temparatures of your motor by 10 degrees or more according to turns of your motor. Track tested by professionals, and proven that it works like a charm.