2011-2015 Duramax LML 5" Downpipe Back Single (FLO-664)
This product cannot be shipped to the USA
These exhaust systems are available in a 16 gauge aluminized steel or T409 Stainless. FLO~PRO has made the necessary changes to ensure easy installation as all our exhaust kits come with necessary clamps, preweld contour bent hangers, and stronger flanges. With this exhaust system you can expect increased performance, lower EGTs and improved flow. Allow your truck to breath with this FLO~PRO exhaust system. FLO~PRO, horsepower you can hear!
- Ease of installation
- Contour Bent Hangers
- 4" Cat Pipe
- TorcTite® Clamps
- No Bungs
- Fits Cab/Box Configurations: EC-CC/SB-LB-Dually
2011 - 2015
The turbo direct pipe on some of the 2015 models has a 3-bolt flange instead of a V-band clamp. These kits will only fit models equipped with v-band clamp and will not work for trucks equiped with the 3-bolt flange off the turbo direct pipe!
These parts are for use on non-registered race vehicles on closed-course competition events *Installing or using this part on any emission-controlled vehicle ("street" or "off-road") may violate federal and/or state emissions laws and regulations. *Not available to ship to the United States
Most orders are shipped 1-2 weekdays after an order is placed, depending on availability. Some products are shipped directly from manufacturers and may be subject to duty and taxes.
Not all products are stocked in house. Please check for availability as some products may be backordered.