Application: 01-05 GM 6.6L Duramax Silverado/Sierra 2500HD/3500 CC/LB LB7/LLY

MagnaFlow's XL Performance is an entry-level performance diesel system featuring a stainless steel, straight-through MagnaFlow XL Performance Muffler along with mandrel-bent stainless steel tubing. (Tips sold separately.) • MagnaFlow Performance with a 6-year Warranty. • OEM-Style Barbed Hangers. • Giant 5" Polished Stainless Steel Tip Sold Separately Downpipe-Back: Bolts up to the OEM downpipe flange, yielding substantial gains in horsepower, torque, fuel economy and a lower EGT (exhaust gas temperature).