Flowmaster Force II systems are well regarded for their performance benefits and mild tones, and this 2007-2010 Cadillac Escalade EXT/ESV, GMC Yukon XL system, with its 50 Series Big Block muffler maintains that reputation. An all-stainless steel system, the US-manufactured 817636 features Flowmaster®s Lifetime Limited Warranty and is easily installed using the supplied hardware and illustrated instructions.