Fits: 2011-2015 GM LML w/ 6.6L Duramax

The FLO-822NM by FLO~PRO is a 4" Turbo-Back Exhuast System for the 6.5L GM Diesel. It allows you to drop our your restrictive OE exhaust system and replace it with a high-flow straight pipe exhaust system. It not only sounds great but will lower your EGT's, increase mileage, and increase torque in your 6.6L. This kit does not include a muffler and is intended for race use only!

Features:

• 5" Turbo Back Exhaust
• No Muffler
• Increased Torque & Fuel Mileage
• Aluminized or Stainless Steel
• Single Rear Exit

Part Number: FLO 661