Perrin Front Mount Intercooler Piping Kit Black WRX (2008-2014) Nissan The inverted cone air filters

The inverted cone air filters have increased surface area by their design and provide for more intake air over standard air filters

These gains are not achieved through MAF trickery either

Other air intake systems often force the engine to run too lean

4) # 54456

Perrin Front Mount Intercooler Piping Kit Black WRX (2008-2014) Nissan The inverted cone air filtersThe Perrin Front Mount Intercooler (FMIC) kits for the Subaru WRX STI are massive upgrades. Designed for 500hp to 800hp applications, Perrin's enormous bar and plate intercooler core will not disappoint. Cast aluminum end tanks and a high flow core ensure even airflow and an optimized intake charge. Perrin's STI FMIC kits mount to their powder coated boxed steel replacement bumper beam with 1 2" thick mounting plates, so there is no cutting of the