Do Performance Air Filters Actually Work?

Best Drop In Air Filter on January 2020 Shopping Deals at Bestonio.com

  • For Subaru Impreza/WRX/STI Reusable & Washable Replacement High Flow Drop-in Air Filter (Green)

    • Color: Green
    • Brand: Auto Dynasty
    • Manufacturer: Auto Dynasty

    Our reusable Drop in Filter is designed to be the last air filter you buy for the car. It can be cleaned and reused and provides exceptional filtration for your engine. It fits in your OEM air box and replaces the factory filter. Performance is increased as the cotton gauze media filters but does not impede air flow. These filters do not require oi... [read more]

  • K&N engine air filter, washable and reusable: 2003-2019 Subaru H4/H6 1.5/2.0/2.5/3.6L (Forester, Legacy, Outback, Impreza, WRX, Levorg, Crosstrek, Tribeca) 33-2304

    • UPC: 024844111562
    • Brand: K&N
    • Manufacturer: K&N Engineering

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • K&N 33-2276 High Performance Replacement Air Filter

    • UPC: 024844100498
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N Engineering

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • Upgr8 U8701-1307 Hd PRO OEM Replacement High Performance Dry Drop-in Panel Air Filter (Red)

    • UPC: 849250000039
    • Color: Red
    • Brand: UPGR8
    • Manufacturer: UPGR8

    More Horsepower and Acceleration: * UPGR8 engine air filter is designed to fit perfectly in your stock airbox, and engineered for greater performance. * It improves air flow and protects your engine for a longer lifespan for your vehicle. Durably Dry and Easy: * The high density material traps dust and dirt like metal attracts magnets. Form fitt... [read more]

  • K&N engine air filter, washable and reusable: 2002-2019 Dodge Ram Truck V6/V8/V10 (1500, 2500, 3500, 4500, 5500) 33-2247

    • UPC: 024844095459
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N Engineering

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • K&N engine air filter, washable and reusable: 1999-2019 Chevy/GMC Truck and SUV V6/V8 (Silverado, Suburban, Tahoe, Sierra, Yukon, Avalanche) 33-2129

    • UPC: 682428157056
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N Engineering

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • For BMW 325i / 328i Reusable & Washable Replacement High Flow Drop-in Air Filter (Red)

    • Color: Red
    • Brand: Auto Dynasty
    • Manufacturer: Auto Dynasty

    Our reusable Drop in Filter is designed to be the last air filter you buy for the car. It can be cleaned and reused and provides exceptional filtration for your engine. It fits in your OEM air box and replaces the factory filter. Performance is increased as the cotton gauze media filters but does not impede air flow. These filters do not require oi... [read more]

  • K&N engine air filter, washable and reusable: 2012-2019 Volkswagen/Audi/Seat/Skoda Compact 1.6/1.8/2.0 L 33-3005

    • UPC: 024844323057
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N Engineering

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • K&N engine air filter, washable and reusable: 2004-2015 Toyota/Lexus (Crown Royal, Rav4, Reiz, Mark X, IS 250, IS 350, IS 220, GS 350, IS 300, GS 430) 33-2345

    • UPC: 024844180506
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • For BMW F22 F30 F32 2/3/4-Series Reusable & Washable Replacement High Flow Drop-in Air Filter (Silver)

    • Color: Silver
    • Brand: Auto Dynasty
    • Manufacturer: Auto Dynasty

    Our reusable Drop in Filter is designed to be the last air filter you buy for the car. It can be cleaned and reused and provides exceptional filtration for your engine. It fits in your OEM air box and replaces the factory filter. Performance is increased as the cotton gauze media filters but does not impede air flow. These filters do not require oi... [read more]

  • K&N engine air filter, washable and reusable: 2007-2019 Ford/Lincoln Truck and SUV V6/V8/V10 (F150, F150 Raptor, Expedition, Navigator, F250, F350, F450, F550, F650) 33-2385

    • UPC: 024844196453
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • Filtrete Standard Capacity Whole House String Wound Water Filters, 10 Microns, Universal Filter, Sump Style Drop-In Filter, 2-Filters (3WH-STDSW-F02)

    • UPC: 798527183275
    • Color: White
    • Brand: Filtrete
    • Size: Replacement Filter
    • Manufacturer: 3M CHIMD

    Filtrete standard Capacity Whole House System Refill, 2-pack String Wound. Filtrete Standard Capacity Whole House System Filters filter water throughout your home, protecting your plumbing and appliances from Sand, Sediment, Silt, and Rust. Great for 2 or less bathroom households. Universal filter replacements are available in pleated, string wound... [read more]

  • K&N engine air filter, washable and reusable: 2006-2017 Mitubishi (Lancer VIII, Lancer, Lancer Evolution, Lancer Raliart, Outlander, ASX) 33-2392

    • UPC: 024844197405
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N Engineering

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • K&N engine air filter, washable and reusable: 2007-2019 Nissan/Infiniti/Suzuki/Fiat V6 (370Z, FairladyZ, Skyline 370 GT, QX50, Q40, Q60, G37, EX37) 33-2399

    • UPC: 024844199782
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • K&N engine air filter, washable and reusable: 2007-2018 Jeep Wrangler V6 3.6L 33-2364

    • UPC: 024844193247
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • Upgr8 U8701-1509 Hd PRO OEM Replacement High Performance Dry Drop-in Air Filter Red

    • UPC: 849250007380
    • Color: Red
    • Brand: UPGR8
    • Manufacturer: UPGR8

    More Horsepower and Acceleration: * UPGR8 engine air filter is designed to fit perfectly in your stock airbox, and engineered for greater performance. * It improves air flow and protects your engine for a longer lifespan for your vehicle. Durably Dry and Easy: * The high density material traps dust and dirt like metal attracts magnets. Form fitt... [read more]

  • K&N 33-5060 Replacement Air Filter

    • UPC: 024844365552
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N

    K&N replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1, 200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • K&N engine air filter, washable and reusable: 2011-2019 Chrysler/Dodge V6/V8 (Charger, Challenger, 300) 33-2460

    • UPC: 024844296559
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N Engineering

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • K&N engine air filter, washable and reusable: 2002-2019 Toyota Compact L4 1.2/1,5/1.6/1.8/2.0 L (Auris, Avensis, Corolla, Vitz, Yaris, Verso, Probox, Ractis, Wish, Alion, Premio) 33-2360

    • UPC: 024844189097
    • Color: Heather Red
    • Brand: K&N
    • Manufacturer: K&N

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means a... [read more]

  • Upgr8 U8701-3908 Hd PRO OEM Replacement High Performance Drop-in Panel Air Filter (Red)

    • UPC: 849250000145
    • Color: Red
    • Brand: UPGR8
    • Manufacturer: UPGR8

    More Horsepower and Acceleration: * UPGR8 engine air filter is designed to fit perfectly in your stock airbox, and engineered for greater performance. * It improves air flow and protects your engine for a longer lifespan for your vehicle. Durably Dry and Easy: * The high density material traps dust and dirt like metal attracts magnets. Form fitt... [read more]

  • Do Performance Air Filters Actually Work?

    The Best Engine Air Filter in the World and Why

    K&N Drop In Air Filter 0-60 Before and After 2016 Camaro RS