Indmar Marine Exhaust Elbow – Bank 2 Raised 1" Black | Part #585929-B This Catalyst Elbow is for serial number engines 204736 and up and Gasket part number 597095. Restore correct exhaust routing on Bank 2 of your Indmar engine with this genuine Indmar raised 1 inch exhaust elbow in black finish. The companion piece to 585928-B — correct Bank 2 specific fitment for engine bay configurations requiring the raised 1 inch elbow design. Compatible with: Indmar marine engines requiring Bank 2 raised exhaust elbow fitment on Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment before ordering.