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Review on πŸ”₯ Flowmaster 9525454 2.5 (D) In/2.5 (D) Super 40 Series Muffler: Ultimate Exhaust Performance Enhancer by Kelly Noonan

Revainrating 5 out of 5

Great product! Put it on an '89 Toyota pickup.

Great product! Put that on an 89 Toyota pickup with a Chevy 350 swap. Sounds average, nice low tone. Installation was easy, just make sure you have the correct clamps. If your inlets and outlets are designed for 2.5" pipe, make sure you choose a 3" pipe. 2.5 inch is the inside diameter, not the outside diameter.

Pros
  • Consistent test results
Cons
  • Poorly thought out