Borla 400840 - S-Type CrateMuffler? For Small Block Chevrolet High Output 350/ 383/ 406 V8. Truck Bed Liner 2007-2014 GMC Sierra 2500 HD

2007-2014 GMC Sierra 2500 HD 97

thanks to the FlowFX performance muffler

Backed by LUND's Limited Lifetime Warranty

Dimension: 58

Borla 400840 - S-Type CrateMuffler? For Small Block Chevrolet High Output 350/ 383/ 406 V8. Truck Bed Liner 2007-2014 GMC Sierra 2500 HDBorla'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. The directional design provides custom sound, tuned for each engine family and will dramatically reduce, or eliminate drone on specified applications. Built from premium T 304 stainless steel, superior to T 400 series