MagnaFlow 4 in. x 18 in. 圓形玻璃纖維性能排氣消音器 18129

The straight-through design really lets that deep glasspack tone sing—it’s exactly the sound I was hoping for. Installation was straightforward, and the muffler has held up well after a few hundred miles.

Took it to the shop to get welded on and the 4-inch round body fit perfectly under the bed. The free-flowing core gives it that old-school crackle without sounding obnoxious on the highway, exactly what I was after.

That deep glasspack tone is exactly what I was hoping for, and the 4-inch round body tucks in cleanly under the frame without any drone on the highway. Free-flowing design means the engine still pulls strong, and the classic sound turns heads every time I let off the gas.