Audi A3 Air Filter

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

"K&N HIGH FLOW 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 Reusable, Fits In...

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 Tha...

AEM COLD AIR INDUCTION SYSTEM, POWDERCOATED SILVER -- Engineered To Produce Significant Increases In Power By Locating The Air Filter Outside Of The Engine Compartment And By Tuning The Inlet Pipe In Length And Diameter To Match The Engine's Resonance, 50...

"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 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"...

"K&N HIGH FLOW UNIVERSAL AIR FILTER, ROUND TAPERED STYLE -- 5.5 in. Height, 6 in. Base Outside Diameter, 5 in. Top Outside Diameter, Provides A Power Gain, 96%-99% Filtration Efficiency Rate, This Air Filter Is Constructed With Ultra-Strong Molded Pliable...