For high-HP modified Subaru WRX and STI that need a larger MAF housing.
73mm MAF diameter is good for up to about 400-450 awhp.
Fits directly onto the turbo inlet (stock, silicone, APS, or AP). No MAF Elbow required.
AEM Dryflow oil-free filter is now standard on this intake.
Works with Perrin front-mount intercoolers and all top-mount intercoolers.
Highest-quality construction:
Smooth mandrel bends
CNC-machined MAF flange.
Beautiful welds by ASME-certified welders.
Reinforced silicone couplers.
Designed, Tested, and Manufactured in the USA
Absolutely positively requires engine management and tuning!
Manufacturer: Made in USA by KSTech
MPN: KST-CAI-73mm-2-02/07-PER
SKU: KST-CAI-73mm-2-02/07-PER
Unit of Measure: each