Exhaust Riser 3″ Extension Set for Volvo Penta & OMC Engines Fits: OMC & Volvo Penta 4.3L V6 1994 – UP with Rectangular Style Riser Can be used to raise exhausts where water intrusion has been an issue. Can be used with HGE3784 to replace extra tall 11″ risers. Replaces Volvo Penta: 3853621 x 2
