KSTech 73mm Type 2 Cold Air Intake for 02-07 WRX/STi


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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. Cold-Air Intake puts the filter high inside the filter: Cooler air = more power.

Part Number:
  • High filter position keeps intake away from puddles.
  • Fits directly onto the turbo inlet (stock, silicone, APS, or AP). No MAF Elbow required.
  • Reusable ultra-high-flow K&N filter. Optional Amsoil oil-free filter (see related products below).
  • Works with TurboXS/Perrin/APS-style front-mount intercoolers (WBR & UR too) 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!

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