Audi B9 S4 Catch Cans (2018-2023)

Reduce carbon buildup in the engine of your 18-23 Audi S4 with aftermarket catch can setups from Modded Euros. By installing a performance catch can system in your B9 S4 you are protecting against blow by gases. Although the OEM AOS system does filter out some oil and fuel vapors, harmful contaminants still make their way to the intake valves. Install one of the B9 S4 catch cans below to give yourself more peace of mind.