Fits: 2011-2015 GM LML w/ 6.6L Duramax
The FLO-861 is a 4" Cat-Back Exhaust System by FLO-PRO for the 2011-2015 6.6L Duramax. It's the perfect kit if you're looking to remove your stock components and replace it with high-performance & high-flow 4" piping. You'll notice fuel mileage improvement, increased torque, and you'll have a much better sounding 6.6L!
- 4" Cat-Back Exhaust
- No Muffler/No Bungs - Straight Pipe
- Increased Torque & Fuel Mileage
- Aluminized or Stainless Steel
- Easy Installation
Part Number: FLO-861