A90 Supra SUPER Single 4" Single Exit Exhaust system

Welcome to SUPER Single Lineup of RK systems for the GR Toyota Supra!   Just as the name implies, the SUPER Single system is the end all, flow all, sound all, JDM all, and weigh LESS than any system in its category and even other categories! The offerings of the Track Edition and Signature single and dual exits have been undoubtedly some of the best for the platform.  We set out last year to develop the SUPER singles for many of the popular platforms we make parts for.  These systems are not for everyone.  They are for flow and function.  If you are browsing the forums or facebook pages and are asking questions about drone or whether the center brace fit, this system is not for you!  These are not questions that you even care about for your build.  You're instead the one that wants that Chef's Kiss protruding the rear valance of your MK5.  That undoubtedly iconic 4" glory sound that only RK will give! How does it sound compared to your other offerings? Simple. Different. Deep.  It's lo