Air Intake Filters & Replacement Filter Elements
If you're building a custom intake or need a replacement filter for yours, STM carries a huge selection of air filters from AMSOIL, COBB, HKS, K&N, Vibrant and our STM replacement filters. Filters are not vehicle-specific.
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STM Universal 4.5" Inlet STM High Flow Air Filter $43.00
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STM Universal 4" Inlet STM High Flow Air Filter $44.00
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2.25 Inch Inlet Vibrant Performance Classic Air Filter 10920 $42.50
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2.5 Inch Inlet Vibrant Performance Classic Air Filter 10921 $42.50
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2.75 Inch Inlet Vibrant Performance Classic Air Filter 10922 $42.50
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3 Inch Inlet Vibrant Performance "Classic" Air Filters from $42.50
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3.5 Inch Vibrant Performance Classic Air Filter 10924 $42.50
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4 Inch Inlet Vibrant Performance Classic Air Filters from $42.50
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4.5 Inch Inlet Vibrant Performance Classic Air Filter 10926 $42.50
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5 Inch Inlet Short Vibrant Performance Classic Air Filter 10932 $51.95
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6 Inch Bellmouth Inlet Vibrant Performance "Classic" Air Filter 10960 $51.95
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7 Inch Bellmouth Inlet Vibrant Performance "Classic" Air Filter 10961
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Vibrant Open Funnel Air Filters $23.95
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3 Inch Inlet K&N Universal Cone Air Filters from $35.99
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3.156 Inch Inlet K&N Universal Cone Air Filter RC-9110 $61.99
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HKS Replacement Filter Element (150mm Red) (70001-AK031) $18.70
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3.5 Inch Inlet K&N Universal Cone Air Filters from $34.99
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HKS Replacement Filter Element (150mm Yellow) (1504-SA012) $18.70
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4 Inch Inlet K&N Universal Cone Air Filters from $35.99
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HKS Replacement Filter Element (150mm Green) (70001-AK021) $18.70
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4.5 Inch Inlet K&N Universal Cone Air Filter RU-4260 $48.99
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HKS Replacement Filter Element (200mm Red) (70001-AK032) $22.10
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6 Inch Inlet K&N Universal Cone Air Filters from $47.99
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HKS Replacement Filter Element (200mm Yellow) (1504-SA013) $22.10
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COBB SF/Big SF Replacement Air Filter - Nissan R35 GTR $75.00
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HKS Replacement Filter Element (200mm Green) (70001-AK022) $22.10
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K&N Universal 5" Air Filter (RU-2800) $50.99
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K&N Air Filter Velocity Stack Flange (21512-1) $25.99