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Review on Dynomax 41980 Hardware Reducer by Mark Loredo

Revainrating 1 out of 5

Expanders, not reducers.

As it is unmarked I will tell everyone this is NOT an adapter. 3.5 OD and 3 ID for extra size when not welding. Then it shouldn't matter. Although the dimensions it ACTUALLY does not match the inside or outside diameter, it is useless without a tube expander.

Pros
  • Versatility for installation flexibility
Cons
  • Some small things