Full kit from the Australian company Xforce, original, guaranteed. Currently located at Blue Line Garage, Al-Rimal, Riyadh. Long headers 1/7/8 with Y-pipe, cat-back with tips, and electronic muffler that opens and closes with a remote. Fits Sierra / Silverado / Tahoe / Yukon / Escalade From 2007 to 2013, LS engines. 5.3L, 6.0L, and 6.2L engines. Selling all parts together.