Grimmspeed MAF Sensor Block Off Plate WRX / STI (2008-2014) Porsche 3 43mm Offset with a

3 43mm Offset with a 73mm Bore

installation requires simple hand tools

Our Kevlar friction material is non-abrasive and doesn't score the mating surfaces

*Two configurable linear 0-5v analog outputs

From street use to road racing and drifting

Grimmspeed MAF Sensor Block Off Plate WRX / STI (2008-2014) Porsche 3 43mm Offset with aSo you have a problem. You want to run a speed density conversion or blow through MAF setup on your STI but don't want to spend the cash to have a straight pipe intake custom fabricated. Grimmspeed has the solution. With the Grimmspeed MAF sensor block off plate, you can block off any intake pipe that was designed to accommodate the stock MAF without any welding or fabrication work. This simple fix installs in mere minutes and allows you to keep your