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.
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K&N Breather Filter for DSM Evo 3S Valve Cover (62-2470)
$29.99
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K&N Breather Filter with 1 inch Rubber Flange (62-1410)
$29.99
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K&N Breather Filter with 5/8 inch Rubber Flange (62-1340)
$34.99
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K&N Breather Filters with Rubber Base
$11.99 +
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K&N Breather Filters with Steel Base
$24.99 +
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STM Universal 5/8" Breather Filter with Chrome Top
$19.95
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STM Universal 5/8" Breather Filter with Rubber Top
$19.95
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Radium 10AN ORB Fitting to Breather Filter (20-0050)
$37.95
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Radium Breather Filter 1/4" ID (18-0042)
$28.45
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Vibrant Crankcase Breather Filters
$10.99 +
