The Borla CrateMuffler S-Type exhaust muffler is a universal-fit part with a 3-inch offset inlet and 3-inch offset outlet in a 6-inch by 10.34-inch oval case with a 14-inch body and 19-inch overall length. It is tuned for the LS3 6.2L V8 engine family. The muffler is directional, so its outlet end is marked by the mounting bracket welded to the endcap.

Part number: 400959

Borla crate muffler.

The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. The directional design provides the classic S-Type sound and will dramatically reduce, or eliminate drone on specified applications. Add resonator 400939 to attain the mellow Touring sound.

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