Audi A3 Air Filter

"K&N HIGH FLOW REPLACEMENT AIR FILTER, PANEL STYLE -- 1.188 in. Height, 13.438 in. Outside Length, 5.313 in. Outside Width, Adds 1-4 hp Power Gain, 96%-99% Filtration Efficiency Rate, This Air Filter Is Designed To Increase Horsepower And Acceleration Whi...

"K&N HIGH FLOW REPLACEMENT AIR FILTER, PANEL STYLE -- 1.188 in. Height, 15.813 in. Outside Length, 6.75 in. Outside Width, Adds 1-4 hp Power Gain, 96%-99% Filtration Efficiency Rate, This Air Filter Is Designed To Increase Horsepower And Acceleration Whil...

"K&N HIGH FLOW REPLACEMENT AIR FILTER, PANEL STYLE -- Height 1.125, Outside Length 13.5, Outside Width 8.75, A High Performance Air Filter Designed to Increase Horsepower and Acceleration, Offers High Air Flow With Excellent Filtration, Washable and Reusa...

"K&N 57I SERIES PERFORMANCE INDUCTION KIT, GENERATION I -- Designed To Increase Power And Acceleration Throughout The RPM Range, Replaces OEM Filter And Air Box, Works With Original Equipment Manufacturer Computer System, Features An Extra Surface Area Th...

"TRUE FLOW PREMIUM FOAM PERFORMANCE AIR FILTER -- Reusable Direct OE Replacement, Offers Superior Filtration, True Flow Developed An Air Filter Using Fully Reticulated Foam Cells And Specially Formulated Tackifier That Create An Impossible Journey For Dir...

"TRUEFLOW UNIVERSAL AIR FILTER - Reusable UNIVERSAL Filter, 14 x 3 Round, Offers Superior Filtration, Increased Air Flow Resulting In Better Protection And Increased Performance, 50 States Legal, Lifetime Warranty"...

"TRUEFLOW UNIVERSAL AIR FILTER - Reusable UNIVERSAL Filter, 3-1/2, Offers Superior Filtration, Increased Air Flow Resulting In Better Protection And Increased Performance, 50 States Legal, Lifetime Warranty"...

"INJEN HYDROSHIELD WATER REPELLANT PRE-FILTER, BLACK -- This Race Proven Pre-Filter Is Made From Highly Durable Polyester Material That Provides Added Protection, Features Uniform Micron Opening That Allows The Filtering Of Debris By 0.005 in. Or Larger, ...

"INJEN HYDROSHIELD WATER REPELLANT PRE-FILTER, RED -- This Race Proven Pre-Filter Is Made From Highly Durable Polyester Material That Provides Added Protection During Unsure Moments, Features Uniform Micron Opening That Allows The Filtering Of Debris By 0...

"INJEN HIGH PERFORMANCE AIR FILTER -- 3.00 in. Mouth Diameter, 5 in. Base, 5 in. Tall, 4 in. Top, 40-Pleat, Features Black Urethane Body With Red Filter Media, Provides Excellent Air Flow And Filtration, Washable And Reusable, With Injen's Limited Lifetim...

"INJEN HIGH PERFORMANCE AIR FILTER -- 2.75 in. Mouth Diameter, 6 in. Base, 5 in. Tall, 5 in. Top, Features Black Urethane Body With Red Filter Media, Provides Excellent Air Flow And Filtration, Washable And Reusable, With Injen's Limited Lifetime Warranty...

"INJEN HIGH PERFORMANCE AIR FILTER -- 3.50 in. Mouth Diameter, 6.75 in. Base, 5 in. Tall, 5 in. Top, Features Black Urethane Body With Red Filter Media, Provides Excellent Air Flow And Filtration, Washable And Reusable, With Injen's Limited Lifetime Warra...

"INJEN HIGH PERFORMANCE AIR FILTER -- 2.50 in. Mouth Diameter, 6 in. Base, 5 in. Tall, 5 in. Top, Features Black Urethane Body With Red Filter Media, Provides Excellent Air Flow And Filtration, Washable And Reusable, With Injen's Limited Lifetime Warranty...

"INJEN HIGH PERFORMANCE AIR FILTER -- 3 in. Mouth Diameter, 6 in. Base, 5 in. Tall, 5 in. Top, Features Black Urethane Body With Red Filter Media, Provides Excellent Air Flow And Filtration, Washable And Reusable, With Injen's Limited Lifetime Warranty"...

INJEN HIGH PERFORMANCE TAPERED AIR FILTER -- Black Urethane Body With Red Filter Media...

"INJEN HIGH PERFORMANCE AIR FILTER, BLACK -- 6 in. Base, 5 in. Tall, 4 in. Top, 45 Pleats, This Is The First Urethane Filter With Built In Velocity Stack For Added Performance, Features Cotton Gauze Element That Allows Cleaning And Durability For 1000's O...

"INJEN POWER-FLOW DIAMOND PLATE HEAT SHIELD, CLEAR COATED -- A Universal Heat Shield That Adds Extra Layer Of Protection From Under Hood Heat, Fits 3.00 in. And 3.50 in. Air Filter, With Injen's Limited Lifetime Warranty"...

"INJEN AIR FILTER HEAT SHIELD, ALUMINUM, UNIVERSAL, FITS 2 1/2 MOUTH -- Add An Extra Layer Of Protection From Under Hood Heat, Attractive Shield Insulates And Protects"...