Audi A4 Quattro Cold Air Intake

K&N 57I SERIES GENERATION I PERFORMANCE INDUCTION KIT -- Provides additional power up to 30 h.p.; 96 to 99 percent filtration efficiency; Includes black intake tube and red air filter with adapter; High-flow intake kit; Features an intake tube made of specially formulated and heat resistant plastic; Its reusable and washable air filter is made of 4-6 layers cotton gauze; Designed to increase your vehicles' power and acceleration throughout the RPM range; Replaces your restrictive OE air filter and box; Works with OE computer system; Features an extra surface area that captures and holds more dirt; Can go up to 100,000 miles between cleanings depending on driving conditions; Provides an awesome intake sound; Engineered to specific vehicle design; Easy to install; With K&N's limited million mile warranty.

Fits the following 1997-1999 Audi A4 Quattro submodels:

• 1997-1999: Base; 4 Cyl 1.8L;
• 1999-1999: Avant; 4 Cyl 1.8L;

K&N 57I SERIES GENERATION I PERFORMANCE INDUCTION KIT -- Street legal in most states but not legal in California; Provides additional power up to 30 h.p.; 96 to 99 percent filtration efficiency; Includes black intake tube and red air filter with adapter; High-flow intake kit; Features an intake tube made of specially formulated and heat resistant plastic; Its washable and reusable air filter is made of multiple interwoven layers of surgical cotton gauze infused or charged with oil for outstanding filtration and airflow; Designed to increase your vehicles' power and acceleration throughout the RPM range; Replaces your restrictive OE air filter and box; Works with OE computer system; Features an extra surface area that captures and holds more dirt; Can go up to 100,000 miles between cleanings depending on driving conditions; Provides an awesome intake sound; Engineered to specific vehicle design; Easy to install; With K&N's limited million mile warranty.

Fits the following 1996-1999 Audi A4 Quattro submodels:

• 1996-1999: Base; 6 Cyl 2.8L;
• 1998-1999: Avant; 6 Cyl 2.8L;

K&N 57I SERIES GENERATION I PERFORMANCE INDUCTION KIT -- 96%-99% Filtration Efficiency Rate, This Intake Kit Is Designed To Increase Your Vehicles Power And Acceleration Throughout The RPM Range, It Replaces Your Restrictive OE Air Filter And Box, Works With OE Computer System, Features An Extra Surface Area That Captures And Holds More Dirt, Comes With A Washable And Reusable Cone Air Filter With Adapters, With K&N's Limited Million Mile Warranty

Fits the following 1997-1999 Audi A4 Quattro submodels:

• 1997-1999: Base; 4 Cyl 1.8L;
• 1999-1999: Avant; 4 Cyl 1.8L;

AFE STAGE 1 CLASSIC (Cx) COLD AIR INTAKE SYSTEM, PRO DRY S AIR FILTER -- Bold, Aggressive Performance In A Simple Package, Retains Stock Intake Tube, Includes A 360%XBA Radial Air Filter, Provides A Throaty Performance Sound, Easy Installation, Uses A Revolutionary Two-Ply Synthetic Air Filter With Oil Free Material That Is Functionally Superior To Traditional Paper Media And Single-Ply Synthetic, 99.4% Filtration Levels

Fits the following 2002-2005 Audi A4 Quattro submodels:

• 2002-2004: Avant; 4 Cyl 1.8L; "GAS, FI, AMB, Turbocharged, VIN C"
• 2002-2004: Base; 4 Cyl 1.8L; "GAS, FI, AMB, Turbocharged, VIN C"

• 2004-2004: Cabriolet; 4 Cyl 1.8L; "GAS, FI, AMB, Turbocharged"

• 2005-2005: Avant; 4 Cyl 1.8L; "GAS, FI, AMB, Turbocharged"

• 2005-2005: Base; 4 Cyl 1.8L; "GAS, FI, AMB, Turbocharged"

Fits 3 more submodels. (Show all) Show less info

AFE MAGNUM FORCE STAGE 2 CX COLD AIR INTAKE SYSTEM -- Provides additional power up to 12 h.p. and 20 lb.-ft. of torque; Increases airflow up to 75 percent; 98.6 percent filtration efficiency; up to 550 CFM; Includes Pro 5R Air Filter with 3.75 in. flange I.D., 6 in. base, 5 in. tall dimensions and is made of 5 layers of progressively finer medical-grade cotton gauze; Comes with durable 16-gauge powder-coated steel heat shield that seals to the hood, molded intake tube with black OE look finish, and pre-positioned PEM-nuts for faster and easier installation; Delivers aggressive great performance sound even with cover; Features a premium quality construction with great seat-of-the-pants feel; Engineered to deliver maximum performance within stock engine configuration; Replaces both the stock air box and intake tract to turbo or throttle body; Its custom intake tube and larger, washable, and reusable conical filter accelerate and enhance airflow; No cutting or drilling required; It has pre-positioned opening for stock attachments to avoid dangling wires and relocating of hoses or tubes; With AFE's Limited 2-Year Warranty

Fits the following 2002-2005 Audi A4 Quattro submodels:

• 2002-2004: Avant; 4 Cyl 1.8L; "GAS, FI, AMB, Turbocharged, VIN C"
• 2002-2004: Base; 4 Cyl 1.8L; "GAS, FI, AMB, Turbocharged, VIN C"

• 2004-2004: Cabriolet; 4 Cyl 1.8L; "GAS, FI, AMB, Turbocharged"

• 2005-2005: Avant; 4 Cyl 1.8L; "GAS, FI, AMB, Turbocharged"

• 2005-2005: Base; 4 Cyl 1.8L; "GAS, FI, AMB, Turbocharged"

Fits 3 more submodels. (Show all) Show less info