3" Slot Style Pro-Tube

The 3" Slot Style Pro-Tube is a universal mass air meter for "Blow Through" applications. It simply becomes a part of the duct work between the supercharger (or turbocharger) and the throttle body. The 3" Slot Style Pro-Tube features welded construction (no cheesy rivets!). The ends are bead rolled for a positive seal. 

These meters will not become a corroded eye sore like the competition's products. They are clear anodized for good looks for many years to come. 

As with all Pro-M meters, the Pro-Tube is held to a tolerance of 2 percent. Pro-M Racing 3 inch Slot Style Pro Tube is capable of handling 800 flywheel HP.

Available for any application you choose. 

Tuning is required when using a meter in a blow through application. 

Comes with a 30 point Transfer Function Sheet

Wiring Diagram
Pin A(6): 12 Volt Power
Pin B(5): Ground
Pin C(4): Mass Air Signal Ground
Pin D(3): Mass Air Sensor 0-5 Volt Signal
Pin E(2): Intake Air Temperature (IAT) 0-5 Volt Signal
Pin F(1): Intake Air Temperature (IAT) Ground