Upgrade your 2011-2015 LML 6.6 Duramax with the SPELAB 4"/5" Downpipe-Back Exhaust System. This DPF delete race pipe enhances your vehicle's performance by improving exhaust flow and reducing back pressure. Crafted from high-quality materials, it features a 5" diameter downpipe-back design with a built-in muffler for a deep, aggressive sound without compromising on comfort.
Transform your ride with SPELAB's superior engineering!