Borla CrateMuffler LS3 3in Offset/Center 14in x 4.35in x 9.10in Oval Muffler S-TypeBorla CrateMuffler LS3 3in Offset Center 14in x 4. 35in x 9. 10in Oval Muffler S Type BORLA 's CrateMuffler is the world's first muffler purpose built to optimize the sound & power of crate and custom built motors. The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. This muffler is tuned for the Chevrolet LS3 6. 2L V8 engine family. The directional design provides the classic S Type sound and will