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James Cowan photo
Australia, Canberra
1 Level
739 Review
41 Karma

Review on TOTALFLOW 646 Mini Muffler 409SS 4.5" Round Width 4" Body 6" Overall Length Inner Inlet-3.5" Outer Diameter Outlet by James Cowan

Revainrating 5 out of 5

Works, sounds great

Liked the 3in id on one end and 3in od on the other. Reversible. Very convenient for connecting as in photo. Sounds great on my 2008 535i, removed drone and vibration. Excellent product and price.

Pros
  • The compact size of the muffler makes it ideal for use in sports cars and other high-performance vehicles
Cons
  • The muffler may cause damage to the fuel injection system