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

Name: TOTALFLOW 646 Mini Muffler 409SS 4.5" Round Width 4" Body 6" Overall Length Inner Inlet-3.5" Outer Diameter Outlet
Item: TOTALFLOW 646 Mini Muffler 409SS 4.5" Round Width 4" Body 6" Overall Length Inner Inlet-3.5" Outer Diameter Outlet
Rating: 5

August 07, 2023

Takes the 'sharpness' out

I have this on a hopped up twin cylinder Briggs engine with a long tube 2:1 header.
It does what its supposed to do and is holding up well to almost a year of abuse. Quiet, no, but it knocks the 'edge' off.

Pros

Fit the space I needed in the motorhome

Cons

The product lacks efficiency and does not provide adequate noise reduction

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