![Green Filter 14-17 Ford Focus ST 2.0L L4 Removable Rain Filter Cap - For Kit 7159 - Walmart.com - Walmart.com Green Filter 14-17 Ford Focus ST 2.0L L4 Removable Rain Filter Cap - For Kit 7159 - Walmart.com - Walmart.com](https://i5.walmartimages.com/asr/36c220ba-550b-4cdb-87f1-d099ff8c3b7e.80b1adf585cdfff2c6ce7fd581c2effe.jpeg?odnWidth=612&odnHeight=612&odnBg=ffffff)
Green Filter 14-17 Ford Focus ST 2.0L L4 Removable Rain Filter Cap - For Kit 7159 - Walmart.com - Walmart.com
![MST PERFORMANCE on Twitter: "MST Ford 2013 Focus St Mk3 CAI #Ford #Focus ST #Ford Focus #intake #MST #CAI #Tuning #Focusst #fastford http://t.co/EZYkG2NEFR" / Twitter MST PERFORMANCE on Twitter: "MST Ford 2013 Focus St Mk3 CAI #Ford #Focus ST #Ford Focus #intake #MST #CAI #Tuning #Focusst #fastford http://t.co/EZYkG2NEFR" / Twitter](https://pbs.twimg.com/media/BxUzBxaCEAE-hHB.jpg)
MST PERFORMANCE on Twitter: "MST Ford 2013 Focus St Mk3 CAI #Ford #Focus ST #Ford Focus #intake #MST #CAI #Tuning #Focusst #fastford http://t.co/EZYkG2NEFR" / Twitter
![I opened up the cap to my air filter and found this.... is this normal? Picked up the car brand new last Saturday : r/FocusST I opened up the cap to my air filter and found this.... is this normal? Picked up the car brand new last Saturday : r/FocusST](https://preview.redd.it/0bsu5fhg2my01.jpg?auto=webp&s=119af26871f889ccee0ad0a917b87aee7e612607)
I opened up the cap to my air filter and found this.... is this normal? Picked up the car brand new last Saturday : r/FocusST
![Amazon.com: Green Filter Air Filter Kit with Outerwears Cover - TiVCT Focus/EcoBoost Focus ST/Focus RS/EcoBoost Transit Connect/EcoBoost Escape : Automotive Amazon.com: Green Filter Air Filter Kit with Outerwears Cover - TiVCT Focus/EcoBoost Focus ST/Focus RS/EcoBoost Transit Connect/EcoBoost Escape : Automotive](https://m.media-amazon.com/images/I/81v0JW3ocBL._AC_SL1500_.jpg)