COBB Reverse Lockout Pull for 04+STi (244310) Quarter Master there is incoming air that

there is incoming air that doesn't actually pass through the radiator because of some large gaps in sealing at the top

Part Number: 632700CB‑1 Pin: Standard

25 thread pitch

and reduced the amount of bends giving the airflow a more direct path from the turbo to the intercooler

This oval muffler features a single inlet and outlet centered on either side

COBB Reverse Lockout Pull for 04+STi (244310) Quarter Master there is incoming air thatThe COBB Reverse Lockout Pull replaces the factory, rattle prone, plastic pieces with machined billet aluminum and delrin. Two choices of anodizing and delrin ensure a match to the 6 Speed COBB Knob. Dual internal o rings ensure a smooth, rattle free, operation. The integrated delrin collar keeps heat in check for cars that are exposed to the sun for extended periods. Vehicle Fitment: 2004 2020 Subaru STi 6 Speed Manual Transmission Part Number: Main