AFE MACH Force XP 4" Stainless Cat Back Exhaust 06-07 GM 6.6L Duramax LLY / LBZ Tip Selection:No Exhaust Tip 2% cumulative efficiency

2% cumulative efficiency

No problem using this kit from Alliant

factory cover holds about 1

gauges or testing equipment

The aFe Universal fit Aluminized Steel Performance Muffler is designed to provide a deep

AFE MACH Force XP 4" Stainless Cat Back Exhaust 06-07 GM 6.6L Duramax LLY / LBZ Tip Selection:No Exhaust Tip 2% cumulative efficiencyThe Mach Force XP Performance Cat Back exhaust features 4" stainless steel tubing with smooth curves and increased size to help remove restriction and keeps exhaust gasses flowing smoothly. The OE style band clamps and bayonnet style hangers make sure this system installs cleanly and easily. You will see increased performance and lower EGT's from this system. All aFe exhaust systems are engineered and manufactured in their Corona, California