K&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue, RG-1001BL
K&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue, RG-1001BL
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K&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue, RG-1001BL

4.3 stars out of 4 reviews
(4.3)|
4 ratings
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Key item features

  • Enhanced Airflow: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters, increasing power and acceleration.
  • Effortless Installation: Pre-oiled and ready to drop into your factory air box, offering a quick and cost-effective performance upgrade.
  • Sustainable Design: Washable and reusable, this filter helps reduce replacement waste and lasts longer than 10 disposable filters.
  • Engine Protection: Engineered to protect your engine from harmful contaminants, pushing the limits of engine protection.
  • Minimal Maintenance: Designed for low maintenance, requiring cleaning only after 50,000 miles under normal highway driving conditions.
  • Robust Construction: Features ultra-strong molded pliable rubber flanges that absorb vibration and ensure secure attachment.
  • Versatile Fitment: Available in round tapered (cone-style) design with 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) flange ID, 5.5 in (140 mm) height, 6 in (152 mm) base, and 4.75 in (121 mm) top.
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Current price is $41.99
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K&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue, RG-1001BL
K&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue, RG-1001BL
current price $41.99
K&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue, RG-1001BL
4.3 out of 5 Stars. 4 reviews
Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in/3.5 in/4 in Flange ID; 6.719 in (171 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-8136
Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in/3.5 in/4 in Flange ID; 6.719 in (171 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-8136
current price $41.99
Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in/3.5 in/4 in Flange ID; 6.719 in (171 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-8136
K&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Tapered; 1.938 in (49 mm) Flange ID; 3 in (76 mm) Height; 3 in (76 mm) Base; 2 in (51 mm) Top , RC-1060
K&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Tapered; 1.938 in (49 mm) Flange ID; 3 in (76 mm) Height; 3 in (76 mm) Base; 2 in (51 mm) Top , RC-1060
current price $41.99
K&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Tapered; 1.938 in (49 mm) Flange ID; 3 in (76 mm) Height; 3 in (76 mm) Base; 2 in (51 mm) Top , RC-1060
5 out of 5 Stars. 1 reviews
Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in (76 mm) Flange ID; 6.5 in (165 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-9132
Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in (76 mm) Flange ID; 6.5 in (165 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-9132
current price $31.99
Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in (76 mm) Flange ID; 6.5 in (165 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-9132
K&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Straight; 2.5 in (64 mm) Flange ID; 6 in (152 mm) Height; 3.5 in (89 mm) Base; 3.5 in (89 mm) Top , RD-0720
K&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Straight; 2.5 in (64 mm) Flange ID; 6 in (152 mm) Height; 3.5 in (89 mm) Base; 3.5 in (89 mm) Top , RD-0720
current price $41.99
K&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Straight; 2.5 in (64 mm) Flange ID; 6 in (152 mm) Height; 3.5 in (89 mm) Base; 3.5 in (89 mm) Top , RD-0720
5 out of 5 Stars. 5 reviews
K&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top, Red , 62-1600RD
K&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top, Red , 62-1600RD
current price $14.99
K&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top, Red , 62-1600RD
4.8 out of 5 Stars. 6 reviews
Spectre SPE-8131 Universal High Performance Clamp-On Engine Air Filter, Washable, 3-4 in Flange ID
Spectre SPE-8131 Universal High Performance Clamp-On Engine Air Filter, Washable, 3-4 in Flange ID
current price $41.99
Spectre SPE-8131 Universal High Performance Clamp-On Engine Air Filter, Washable, 3-4 in Flange ID
5 out of 5 Stars. 1 reviews
Comparison Chart:
Engine air filter typePaperK&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue, RG-1001BLSynthetic Polymer (PMMA)Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in/3.5 in/4 in Flange ID; 6.719 in (171 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-8136PaperK&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Tapered; 1.938 in (49 mm) Flange ID; 3 in (76 mm) Height; 3 in (76 mm) Base; 2 in (51 mm) Top , RC-1060Synthetic Polymer (PMMA)Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in (76 mm) Flange ID; 6.5 in (165 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-9132GauzeK&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Straight; 2.5 in (64 mm) Flange ID; 6 in (152 mm) Height; 3.5 in (89 mm) Base; 3.5 in (89 mm) Top , RD-0720GauzeK&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top, Red , 62-1600RDSynthetic Polymer (PMMA)Spectre SPE-8131 Universal High Performance Clamp-On Engine Air Filter, Washable, 3-4 in Flange ID
Vehicle fitment typeUniversalK&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue, RG-1001BLSpecificSpectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in/3.5 in/4 in Flange ID; 6.719 in (171 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-8136UniversalK&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Tapered; 1.938 in (49 mm) Flange ID; 3 in (76 mm) Height; 3 in (76 mm) Base; 2 in (51 mm) Top , RC-1060UniversalSpectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in (76 mm) Flange ID; 6.5 in (165 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-9132UniversalK&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Straight; 2.5 in (64 mm) Flange ID; 6 in (152 mm) Height; 3.5 in (89 mm) Base; 3.5 in (89 mm) Top , RD-0720UniversalK&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top, Red , 62-1600RDSpecificSpectre SPE-8131 Universal High Performance Clamp-On Engine Air Filter, Washable, 3-4 in Flange ID
MaterialCotton GauzeK&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue, RG-1001BLMultiSpectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in/3.5 in/4 in Flange ID; 6.719 in (171 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-8136rubberK&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Tapered; 1.938 in (49 mm) Flange ID; 3 in (76 mm) Height; 3 in (76 mm) Base; 2 in (51 mm) Top , RC-1060MultiSpectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in (76 mm) Flange ID; 6.5 in (165 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-9132cotton gauzeK&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Straight; 2.5 in (64 mm) Flange ID; 6 in (152 mm) Height; 3.5 in (89 mm) Base; 3.5 in (89 mm) Top , RD-0720Cotton GauzeK&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top, Red , 62-1600RDMultiSpectre SPE-8131 Universal High Performance Clamp-On Engine Air Filter, Washable, 3-4 in Flange ID
FeaturesWashableK&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue, RG-1001BLHigh-Efficiency FiltrationSpectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in/3.5 in/4 in Flange ID; 6.719 in (171 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-8136Washable And ReusableK&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Tapered; 1.938 in (49 mm) Flange ID; 3 in (76 mm) Height; 3 in (76 mm) Base; 2 in (51 mm) Top , RC-1060WashableSpectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in (76 mm) Flange ID; 6.5 in (165 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-9132Washable And ReusableK&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Straight; 2.5 in (64 mm) Flange ID; 6 in (152 mm) Height; 3.5 in (89 mm) Base; 3.5 in (89 mm) Top , RD-0720WashableK&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top, Red , 62-1600RDHigh-Efficiency FiltrationSpectre SPE-8131 Universal High Performance Clamp-On Engine Air Filter, Washable, 3-4 in Flange ID
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4.3 out of 5 stars
stars4 ratings4 reviews
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  1. 5 stars75% (3)
  2. 4 stars0% (0)
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Showing 1-3 of 4 reviews

Jan 30, 2026
HawkEye
5 out of 5 stars review

Verified Purchase

Great Filter.

From all that I can tell, it is working fine.

Incentivized Review
Helpful?4YQX6P9UFR2X34821234
Mar 7, 2022
Junior
5 out of 5 stars review

Air filter

Best product i ever purchased the best

Review from K and N Filters
Helpful?4YQX6P9UFR2X34821234
May 6, 2022
K&N Customer
5 out of 5 stars review

5 Star Review

5 Star Review

Review from K and N Filters
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