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  • Mitsubishi
    • Evolution X
      • • Engine
      • • Drivetrain
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      • • Mitsubishi OEM
      • • STM Evo X Parts
      • • Evo X Tech Tips!
    • Evolution 7/8/9
      • • Battery
      • • Brakes
      • • Cooling & Radiator
      • • Drivetrain
      • • Electronics & Tuning
      • • Engine
      • • Exhaust
      • • Exterior
      • • Fluids
      • • Fuel, Nitrous & Meth
      • • Ignition
      • • Intake & Intercooler
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      • • Power Packages
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      • • STM Exclusive Parts
      • • Evo 8/9 Tech Tips!
    • Evolution 4/5/6
      • • Battery
      • • Brakes
      • • Cooling & Radiator
      • • Drivetrain
      • • Electronics & Tuning
      • • Engine
      • • Exhaust
      • • Exterior
      • • Fluids
      • • Fuel, Nitrous & Meth
      • • Ignition
      • • Intake & Intercooler
      • • Interior
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      • • Turbo & Boost
      • • Wheels & Tires
      • • STM Exclusive Parts
    • 1G/2G DSM
      • • Battery
      • • Brakes
      • • Cooling & Radiator
      • • Drivetrain
      • • Electronics & Tuning
      • • Engine
      • • Exhaust
      • • Exterior
      • • Fluids
      • • Fuel, Nitrous & Meth
      • • Ignition
      • • Intake & Intercooler
      • • Interior
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      • • STM Exclusive Parts
    • 3000GT/Stealth
      • • Battery
      • • Brakes
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      • • Engine
      • • Exhaust
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  • Audi
    • RS3 8V/8Y (2017+)
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    • R35 GTR
      • • Engine
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      • • Intercooler
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    • 2023+ Z
    • 350Z
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    • WRX 2022+
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      • • Battery
      • • Brakes
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    • WRX 2002-2014
      • • Battery
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      • • Engine
      • • Exhaust
      • • Exterior
      • • Fluids
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      • • STM Exclusive Parts
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    • STi 2004-2021
      • • Battery
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      • • Engine
      • • Exhaust
      • • Exterior
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      • • STi Tech Tips!
    • BRZ/FRS/86
  • Toyota
    • GR Corolla
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  • More Vehicles
    • Corvette
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      • 2014+ IS250/IS300/IS350
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      • 911 Turbo/S 991.2 (2017+)
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      • GT3/GT3 RS 991.2 (2017+)
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      • Macan Base
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  • Fabrication Parts
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    • Air Filters
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Engine Breather Filters

Find the perfect sized breather filter for your project! STM offers a ton of options for building a custom engine oil catchcan or find the right outlet size to vent your valve cover. Filters are not vehicle-specific.
  • K&N Breather Filter for DSM Evo 3S Valve Cover (62-2470) K&N Breather Filter for DSM Evo 3S Valve Cover (62-2470) $31.99
  • K&N Breather Filter with 1 inch Rubber Flange (62-1410) K&N Breather Filter with 1 inch Rubber Flange (62-1410) $31.99
  • K&N Breather Filter with 5/8 inch Rubber Flange (62-1340) K&N Breather Filter with 5/8 inch Rubber Flange (62-1340) $36.99
  • K&N Breather Filters with Rubber Base K&N Breather Filters with Rubber Base $12.99 +
  • K&N Breather Filters Steel Base K&N Breather Filters with Steel Base $26.99 +
  • 5/8 Inch Rubber Base Blue Breather Filter with Chrome Top STM Universal 5/8" Breather Filter with Chrome Top $19.95
  • STM Universal 5/8 STM Universal 5/8" Breather Filter with Rubber Top $19.95
  • Radium 10AN ORB Fitting to Breather Filter (20-0050) Radium 10AN ORB Fitting to Breather Filter (20-0050) $37.95
  • Radium Breather Filter 1/4 inch inner diameter (18-0042) Radium Breather Filter 3/4" ID (18-0042) $28.45
  • Vibrant Crankcase Breather Filters Vibrant Crankcase Breather Filters $11.50 +

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