IAG 3mm Thick Phenolic Spacers Pair WRX 02-14 / STI 04-21 | IAG-AFD-3103 Wheel Offset_12mm The tubing diameter was increased

The tubing diameter was increased to 3" and bends were kept to a minimum with large radii for optimum flow characteristics

The lightweight carbon fiber construction provides the perfect combination of aesthetics

and troubleshoot with built-in diagnostics

The speed sensor port comes plugged from the factory and can be removed using a 5mm allen key when ready to install a speed sensor kit

This torque spike is so severe that it not only turns the crankshaft

IAG 3mm Thick Phenolic Spacers Pair WRX 02-14 / STI 04-21 | IAG-AFD-3103 Wheel Offset_12mm The tubing diameter was increasedProduct Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STI 2004 2013 Subaru Forester XT 2005 2012 Subaru Legacy GT Improve intake efficiency and reduce heat soak with the IAG Performance 3mm Phenolic Spacer Kit. Designed specifically for Subaru 2. 0L and 2. 5L engines, these spacers offer a simple, affordable upgrade that delivers real performance gains by reducing intake air temperatures (IATs) The 3mm phenolic spacer acts as a thermal barrier