CrateMuffler?. Part #: 400947. ATAK CrateMuffler ; 2.5 in. In/Out; 14 in. L x 4.35 in. H; Offset/Offset; For LS3 ATAK Crate Engines; ATAK Sound Level;. Check your applicable laws and manufacturer’s publication(s) and/or website(s) for manufacturer’s warranty, maintenance, safety, mounting and any regulatory compliance/noncompliance (including California CARB - California Air Resource Board) information.
