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Review on Flowmaster 942043 Delta Flow Muffler by Justin Gerrero

Revainrating 5 out of 5

Amazing on a 3.8 liter v6 Mustang

Fitted on a 2004 3.8 liter v6 Mustang with Y-pipe from the factory. I just cut off the old muffler and welded in the new one. Sounds great and much richer. Not panting at all.

Pros
  • Very good value for money
Cons
  • Unusable features