Remark Axleback Exhaust | 2014-2016 Lexus IS250 / IS300 / IS350 RWDAxleback Exhaust for 2014 2016 Lexus IS250 IS300 IS350 RWD by Remark This REMARK axleback kit eliminates the muffler canisters, and thereby unmutes the exhaust note. Produces a sporty and aggressive exhaust note. A cost effective way to inject more liveliness into your Lexus RC both audible and visually with the larger 4" tips. This kit is a simple bolt on replacement for the OE mufflers. No modifications are required, does not trigger any check