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The MagnaFlow Street Series cat-back exhaust (19040) for 2015 GMC Yukon XL Denali features 3.5in mandrel-bent main piping and straight-through mufflers to deliver a resonant, authoritative tone and dyno-proven flow. It exits single passenger-side rear with a 5in polished double-wall tip, installs as a direct-fit cat-back system, and is built from corrosion-resistant stainless steel using CNC precision robotic techniques.
MagnaFlow SYS Cat-Back 2015 GMC Yukon XL Denali 3in Single Passenger Side Rear Ext. 4in Tip
