This housing kit is manufactured in-house from billet aluminum and helps your car breathe better by increasing the inside diameter to 3" and eliminates the factory divider. This kit will make your MAF sensor flow over 300 CFM more when compared to the stock sensor which can be essential on higher output engines. Fits mass air cars from 94-97 LT1 to 97-04 LS1. Anodized Black and machined with the TPiS logo. Sensor not included