Flowmaster 40 Series Delta Force Top Ten Race Muffler - 4" Center Inlet / 4" Center Outlet - Aggressive Sound - 13.25" x 10.00" x 5.00" HXY2421 2006-2009 GMC Yukon XL 1500

2006-2009 GMC Yukon XL 1500

Will not fit 265/301 c

Compatibility with large displacement 351W based engines

Induction Hardened Sprockets

Hydraulic Roller - XFI XE-R: High rpm street/strip with XE-R lobe designs

Flowmaster 40 Series Delta Force Top Ten Race Muffler - 4" Center Inlet / 4" Center Outlet - Aggressive Sound - 13.25" x 10.00" x 5.00" HXY2421 2006-2009 GMC Yukon XL 1500Single chamber. The 10 Series race mufflers are intended for racing applications and utilize Flowmaster's patented Delta Flow technology for maximum performance. Recommended for racing applications where a muffler is required without a set decibel limit to be met. Will provide a noticeable dB reduction over open headers. Please call the Flowmaster tech line for assistance with specific dB requirements and applications. Durable fully welded 16 gauge