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Review on Hedman 21115 Header Reducer - Set of 2: Boost Performance and Efficiency! by Matt Heringer

Revainrating 3 out of 5

This one had some problems

This manifold had some problems, the weld was melting a few final threads, also there was some debris on the threads which I was able to remove in the end , it was a piece of dried paint or something, hedman's previous collectors were much better.

Pros
  • Manifold sizes from 3" to 2.5" exhaust pipe size
Cons
  • Disappearance