Threadripper Posted March 22, 2018 Share Posted March 22, 2018 Hey guys i have seen some videos and these cars (182) sound great with the focus rs airbox would the equivalent not be cutting a hole in the top of the stock airbox? excuse my ignorance lol :) Quote Link to comment Share on other sites More sharing options...
alexp999 Posted March 22, 2018 Share Posted March 22, 2018 The RS airbox lid is taller so the seal makes contact with the bonnet to stop hot engine air being sucked in to the intake. The RS also uses the same bottom part of the box as the ST which has an extra intake pipe and no snorkel under the slam panel. Quote Link to comment Share on other sites More sharing options...
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