These silencers are 100% stainless steel and are perfect for both stock and slightly modified engines There are no moving parts and they come in a brilliant polished finish These silencers are called part-time because by simply removing one bolt per tip you can remove the slip-in silencers and have straight through exhaust. Approximately an 8 to 10 decibel reduction is achieved with these silencers installed.
These tips are 8-3/4" long overall, extending out 3-3/4 inches past the transom ring on the outside and 5" on the inside.