IMR has designed and is starting mass production on the best sounding Catback exhaust system for the Acura TLX Type S and the MDX Type S. This exhaust is Stainless Steel, TIG welded, back gassed with argon to produce healthy welds. The system creates a desirable deep tone, without rasp and drone issues. Look for this exhaust our down pipes and secondary pipes at www.IMRamerica.com