southwest395
Petty Officer 2nd Class
- Joined
- Apr 30, 2012
- Messages
- 137
I have a mercruiser 3.7 liter 170hp 4 cylinder. On the inside of the motor on the exhaust theres rubber that connects the pipes. it goes from a four to a three inch. not sure the exact diameter.What cause those to burn or go bad. mines got a hole in it and looks burnt on the inside. this is what mine looks like.