- Fits All Crew cab and Ext. cab
- 4" Aluminized Straight Pipe.
- Mandrel Bent Tubing for Maximum Flow.
- Bolt On Hangers.
- For 07.5-10 Vehicles, front transmission hanger is not used.
Note: Box says for 01-07 Duramax, however exhaust will fit 07-10 LMM Duramax trucks. There will be a hanger at the the transmission that will not line up, but is no longer needed due to weight reduction with removing the OEM DPF system