I was looking into this as well. It will definitely going require cutting the liner. The rubber mat "might" have some flex to it to work around it but you probably don't want to put the motors in a situation to have pressure on them. Best to cut both.
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04 Scion xA > 13 FR-S stg 2 UEL E85 > 16 WRX stg 1.5 > 15 Audi S3 > 18 BRZ Limited UEL E85
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