PLM Muffler delete & Resonator Delete WRX STI

PLM muffler delete WRX STI 2015+
Comparison of stock muffler with delete resonator, and muffler delete + resonator delete. The resonator was removed prior to purchase. OEM downpipe.
Comparaison muffler stock avec resonateur delete, et muffler delete + resonateur delete. Le résonateur a été supprimé avant l'achat. downpipe OEM.
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Microphone : TAKSTAR SGC-598
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