Fits: 2011-2015 GM Duramax 6.6L LML W/ V-Band Flange at the downpipe only!
Looking to make more power and increase your MPG on your 2011-2015 Duramax? The FLO-864 by Flo~Pro is your answer. It allows you to remove the restrictive OEM exhaust system and replace it with a free-flowing 4" exhaust system from downpipe back!
- 4" Downpipe Back Exhaust system.
- Aluminized or Stainless Steel
- Single Side Exit
- Easy Install - Mounts to OE Hangers
- Includes Muffler
Part Number: FLO 864