And if you had read the posts regarding why not to do it, allowing more dirt in the intake contaminates the hot air film in the mass air sensor, thus shortening its life. Don't know if yours was so equipped or not...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car