Review on TOTALFLOW 646 Mini Muffler 409SS 4.5" Round Width 4" Body 6" Overall Length Inner Inlet-3.5" Outer Diameter Outlet by Julio Avikunthak
Nice loud deep sound
I bought a 10in with 4in inlet, already had a straight pipe on my F-550. This took down the exhaust drone alot on the highway. Still really loud but made a big difference. After installing has nice deep sound.
- The inner inlet of 3.5" ensures that the muffler seamlessly fits with your vehicle's exhaust system
- The muffler may cause a check engine light error
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