aFe Power ATLAS 3" Steel Downpipe, 2001-2004 LB7 Federal Emissions
Part# 49-04093
Fits: 2001 thru 2004 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7 Duramax Diesel
*Federal Emissions engines only!*
The aFe ATLAS turbo down-pipe is engineered to outflow and outperform the restrictive, OE down-pipe on your 2001-2004 Chevy Silverado or GMC Sierra 2500HD/3500HD with the Duramax V8 6.6L turbo diesel. The 3" mandrel-bent steel tubing offers smoother transition bends for increased airflow, delivering quicker turbo spool times. CNC machined V-band inlets and outlets ensure an OE-style, 360 degree sealing surface. Coated with a black finish, the ATLAS turbo down-pipe is wrapped with thermal header tape to reduce EGT's even in the most extreme environments.
*50 State Legal CARB EO#D-550-48*
Features:
- 3" mandrel bent, black finished steel for increased airflow and long-lasting good looks
- Replaces OE down-pipe for true bolt on performance
- Wrapped in high-temp thermal tape for insulation to reduce EGT’s
- CNC machined inlet flange and V-band outlet flanges for a leak-free seal
- Includes turbine gasket
Includes:
- 3" Mandrel Bent Downpipe
- Heat Wrap
- Turbine Gasket
Customer Reviews
Customer Reviews
Finally got around to mounting my down pipe. Unfortunately, the fitment on the flange end was not good , pretty much contacts the block where the starter mounts.
Not sure why adding an extra 1/4 -1/2” would have been a problem on a mass produced item like this???
No more AFE for me very disappointed and a lot of work. Not sure what I’m going to do about that close contact area.
Hi there,
Thank you for your feedback on the aFe Power ATLAS 3 Steel Downpipe. We apologize that you experienced difficulties with the fitment, and we understand how frustrating that can be. We will definitely reach out to AFE and see if they are able to assist with this issue or if it is a larger concern. We appreciate your honesty and will work towards finding a solution for you. Thank you for bringing this to our attention.