K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan...

KONI Special ACTIVE (RED) 8245 Series, twin-tube low pressure gas shockThis Part Fits: Year Make Model Submodel 2009-2014 Audi A4 Base 2015-2016 Audi A4 Premium 2015-2016 Audi A4 Premium Plus 2015 Audi A4 Prestige 2009-2012 Audi A4 Quattro Avant 2009-2014 Audi A4 Quattro Base...

KONI Special ACTIVE (RED) 8045 Series, twin-tube low pressure gas shockThis Part Fits: Year Make Model Submodel 2009-2014 Audi A4 Base 2015-2016 Audi A4 Premium 2015-2016 Audi A4 Premium Plus 2015 Audi A4 Prestige 2009-2012 Audi A4 Quattro Avant 2009-2014 Audi A4 Quattro Base...

KONI Sport 8240 Series, yellow painted, internally rebound adjustable twin-tube low pressure gas charged shock absorber.This Part Fits: Year Make Model Submodel 2009-2014 Audi A4 Base 2009 Audi A4 Cabriolet 2015-2016 Audi A4 Premium 2015-2016 Audi A4 Premium Plus 2015 Audi A4 Prestige 2009-2012...

KONI Sport 8040 Series, yellow painted, internally rebound adjustable twin-tube low pressure gas charged shock absorber.This Part Fits: Year Make Model Submodel 2009-2014 Audi A4 Base 2009 Audi A4 Cabriolet 2015-2016 Audi A4 Premium 2015-2016 Audi A4 Premium Plus 2015 Audi A4 Prestige 2009-2012...

The KW V1 INOX-LINE coilover kit is our entry point into our street performance lineup. The high-quality INOX-LINE stainless steel coilover struts, corrosion resistant springs, bumps stops and dampers that are optimally tuned by our engineers the result is a balanced and sporty feel...

Cutting-edge motorsports technology for more performance on the road. Like every suspension product developed by KW automotive, the suspension manufacturer, and manufactured in Germany, the KW V3 Coilover suspension kit also provides a significant plus in safety reserves in road traffic. Thanks to the...

For over 20 years, KW automotive has been the market leader and driving innovation as a manufacturer of individual suspension solutions for the road and in all types of motorsports. No matter where in the world, gearheads, automobile manufacturers and reputable tuners rely on...

KW (H.A.S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H.A.S. systems allow you to adjust the vehicle ride height with the KW height adjuster even after the kit...

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49135. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding...

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49136. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding...

THE ONLY EXHAUST YOU"LL EVER NEED - MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel - the most durable material grade that money can buy.The T304 Stainless Steel tubing is easy to clean...

The Mishimoto racing thermostat for the Audi S4 2010-2016 is designed to help your cooling system operate at peak efficiency, whether you're cruising to your local car meet or tearing up the track. Our thermostat begins to open 25.2F (14C) earlier than the stock...

The factory transmission oil cooler on 2014-2016 Audi SQ5 vehicles is a liquid-to-liquid cooling unit, utilizing the engine's cooling system to cool the transmission fluid during warm outside temperatures and warm the fluid during cold outside temperatures. Though these designs are tried and true,...

NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior...