super sound variable exhaust control valve muffler
Vulve system make gentle sound like OEM muffler and will make high note sound
that totally reject low pitched tone from exhaust note.
All hardware and switch come with muffler system.
Stainless, SUS T-304, plus blue burn titanium tips, bolt on exhaust system.
volume and quality of sound
valve open: high note racing sound
valve close: gentle sound like OEM muffler
product-development collaboration between EXART x CHARGESPEED