Replace the stock exhaust system on your 2002-2004 GM LB7 6.6L Duramax LB7 with the AFE 49-44060-1 Large Bore HD 5" Downpipe-Back Exhaust. Constructed from 5" mandrel-bent 409 stainless steel tubing, the Large Bore HD 5" Downpipe-Back Exhaust is designed for durability and optimum airflow. The Downpipe-Back Exhaust uses factory mounting locations and OE style flange and band clamps for a stock fit. Featuring an aggressive sound, the Large Bore HD 5" Downpipe-Back Exhaust provides your Duramax with an aggressive tone.
- Direct-Fit Replacement
- Aggressive Tone
- Constructed From 5" Mandrel-Bent 409 Stainless Steel Tubing