K&N Audi A4 1.8L Turbo 150BHP Performance Intake Kit Forced Induction>Turbo Blankets

K&N Audi A4 1.8L Turbo 150BHP Performance Intake Kit Forced Induction>Turbo BlanketsK&N 57i Series induction kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box. These economical kits can take a variety of different forms based on vehicle characteristics and available space under the hood. Each kit is designed to provide power throughout the RPM range. The extra surface area of these open air air filters provides even more airflow at lower

Paired with robust internally-lined stainless steel flex sections upstream

The Stage 3 system is perfect for on-road and off-road use including towing

Warrantied against warping

Featuring a Fleece Performance custom 63mm billet compressor wheel and high flow Inconel turbine wheel

patented drone-canceling 180 Technology® resonators

The cap covers are clear anodized to protect the finish & maintain long lasting beauty

paired with our Limited warranty and superb customer support

this kit includes braided stainless steel leader hoses with 1/4in PTC fittings

180 Technology® (more on that below)

Our 3-way adjustable rear sway bar will allow you to easily dial in the handling balance of your ST

This tube has built-in resonance chambers to catch un-wanted air intake noises

When your cab gets musty or wet and your windows start to fog