What is included in an Audi "air pump kit"?

air pump is crap id does nothing make people have this . e[a gov all just a way to milk money out of your poket . it makes fresser air reading out tail pipe by pumping fress air into exusat . so what you have is take 1 gallon of pee an put it in a 55 galon drum you still have 1 gal of pee it bull allways have been just a money maker for state . an makes your car run funny takes 5 horse power casesa exusat leaks an funey backfireing . an makes me made . that gov lies to us about things like this

Air pump has to do with cold start emmissions it pumps air into the exhaust manifold to make the Oxygen sensors operate correctly untill the engine is warm