STIHL 661 DNO PERFORMANCE MUFFLER COVER - GEN II

STIHL 661 DNO PORTED FACEPLATE - GEN 2

STAINLESS STEEL CONSTRUCTION 

TIG WELDED

UPGRADED 1 INCH DUAL PIPES 

REMOVABLE SPARK ARRESTOR SCREEN STAINLESS STEEL (regulation / oem)

HIGH TEMP GRAPHITE GASKET 

Lifetime warranty