K&N SPECIAL ORDER Repl Fltr (33-2204) Audi > S4 > B9 This wiring harness has an

This wiring harness has an attached plug one end that allows you to use the Pierburg 3 port solenoid boost controller (FMTVSOL) and open wires at the other end to allow for any custom installation you wish to carry out

Bolt Ø [mm] 16

This assists tuners and owners in hot climates to keep inlet air temperatures on the safer side while pushing the 2

1 x 50mm Aluminium T Piece

K&N SPECIAL ORDER Repl Fltr (33-2204) Audi > S4 > B9 This wiring harness has anK&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 of your vehicle, and backed by K&N's No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your