Review on π§ TOTALFLOW 20320 Straight Through Universal Exhaust Muffler - 409 Stainless Steel - 3.5 Inch Inner Diameter Inlet/Outlet: Enhanced Performance and Durability for Optimal Exhaust Flow by Greg Horn
Great noise reduction for what it is
I have a Miata four cylinder turbocharged vane exhaust that was just ridiculously loud. I needed something to push at the end of the race and this thing worked wonders! I really like that it has a 4" ID on the ends so it can slide over a 4" exhaust and then the resonator section is reduced to a 4" OD. Same size as my exhaust pipe. The flow is not interrupted and the noise is noticeably muffled. I'll check the db reduction at work tomorrow. Unbeatable, especially for the price
- Decent performance
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