MagnaFlow's Performance Exhaust systems are rugged, reliable, built to last, and their legendary straight-through, wide-open, stainless steel mufflers provide the smooth, deep tone they are famous for. These exhaust kits and cat-back systems feature mandrel bends to ensure there are no flow restrictions and OEM-style barbed hangers for easy installation. All of MagnaFlow's exhaust systems are factory-checked for proper fit and dyno-tested to verify performance gains. All necessary installation hardware is included and the entire system is backed by MagnaFlow's lifetime warranty.
- Tubing Outer Diameter: 4in.
- System Type: Turbo-Back
- Tip Outer Diameter: 5in.
- Tip Quantity: 2
- Single or Dual: Dual
- Exit Style: Rear side exit
- Product Name: XL Performance Diesel Performance Exhaust
- Material: 100% Stainless Steel
- Notes for part number 16903: 4 in. Turbo-Back, 5in Single Wall Clamp-On Tips; DUAL BEHIND REAR TIRES
Applications for Part Number 16903:
- 2001-2007 GMC Duramax 6.6L V8 4 inch Diesel 6.6L V-8, 4In. System V8 6.6L Diesel, Silverado 2500HD/3500 Cre