Quick Time Performance AR3 race mufflers deliver a high quality, compact design and excellent flow characteristics while helping drivers and tracks support environmental concerns. The AR3 Race Muffler delivers maximum performance in a small, lightweight package. Other features include a low profile height combined with a free flowing perforated internal baffle minimizes resonance. Constructed from 304 stainless steel and tig welded throughout for long lasting durability. Made in the USA!