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4 inch Aluminized Single DPF-Delete Turbo Back Exhaust System w/ Tip w/o Muffler - Large Bore HD (Off-Road)

GM Duramax 6.6L LMM (2008-2009) Turbo Diesel

Wheel Base: 133" to 167"

Features Include:

• Comes without a muffler
• Includes 2 bungs for oxygen sensors
• Welded-on hangers, band style clamps, bayonet hangers
• 100% Mandrel-Bent Tubing for unrestricted air flow
• 4 inch mandrel bent aluminized steel tube
• 8 inch aluminized steel muffler
• U-Bolt and Band Clamp
  
• Two-piece tail pipe
• 5" T304 SS polished stainless steel tip
  
• Install time 1.5 hours
• Free flow system
• OE style clamps and hangars
• Increased flow
• Increased MPG
• Improved horsepower
• Improved torque 

Available Upgrades:

Black Exhaust Tips:

4" IN x 5" OUT x 12" L

• 49-92002

4" IN x 6" OUT x 18" L

• 49-92003

PLEASE NOTE:  Installation of this system on a vehicle operated on public roads may violate federal, state or local laws or regulations including but not limited to, emissions requirements and motor vehicle safety standards. In California, this part mat legally be used only on a racing vehicle which will never be operated on public roads. This exhaust system must be used with a tuner that allows regeneration to be disabled.