73mm big MAF cold-air intake for cars making up to 450whp. Compatible with TurboXS, SSAC, and CSS front-mount intercoolers.  Fits directly onto the turbo inlet - no MAF elbow required.  High-flow K&N air filter in a KSTech Cold AirBox.

• 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, 3", etc.)  No MAF Elbow required.
  
• Straight shot - no bends.
• Machined velocity stack.
• Cold Airbox reduces intake temperatures by 20+ degrees
• Reusable K&N filter mounted on aluminum velocity stack.
• Works with Cobb, TurboXS-type, SSAC, CSS FMIC setups (and all TMIC)
• Designed, Tested, and Manufactured in the USA
• Absolutely positively requires engine management and tuning!