Sharkroad Silencer Valve for 4.0/4.5/ 3.0 inch Muffler Size:3 inch BOOST THE POWER:25’’removable spiral-louvered baffle

BOOST THE POWER:25’’removable spiral-louvered baffle produces a head-turning rich

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but before heat the pipes

Removable Baffle for Louder Sound

Sharkroad Silencer Valve for 4.0/4.5/ 3.0 inch Muffler Size:3 inch BOOST THE POWER:25’’removable spiral-louvered baffleThis silencer valve can effectively reduce the QB intensity emitted by the muffler. After testing, it can reduce up to 9DB. 4. 5 inch muffler test Before installation: 91 93DB After installation: 84 88DB Suitable for sharkroad 4. 0 inch and 4. 5 inch mufflers. Not Installed After Installation