MerCruiser Exhaust Buyers Guide 1986-2009 - Powerboatsupply.com

Everything you need to know to buy new exhaust parts for your MerCruiser engine!
0:00 MerCruiser exhaust buyers guide
0:22 What we will cover
0:40 When to replace your exhaust
1:13 Early warning signs
2:00 3.0 4 cylinder parts
2:39 4.3 v6 parts
4:51 Small block v8 parts (5.0, 5.7, 6.2)
6:47 Big Block 454 and 502 parts
8:02 Big Block 8.1 and 496 parts

[@Andrico77]

The early 8.1/496 have aluminum manifolds and should be changed immediately if used in salt water..