The HKS Hi-Power muffler for Acura RSX Type S applications is a direct-fit cat-back muffler built from SUS304 stainless steel with no coating, per the product notes. Intended as a replacement of the factory muffler, it provides a tuned exhaust tone and improved flow characteristics for naturally aspirated and mildly tuned setups. Matched to Acura RSX Type S fitment for straightforward installation.
HKS Hi-Power Muffler ACURA RSX Type S (SUS304 NO COATING)