Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sale or use in the state of California.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2004 | Chevrolet | Silverado 2500 HD | Base |
| 2001-2004 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2004 | Chevrolet | Silverado 2500 HD | LT |
| 2004 | Chevrolet | Silverado 2500 HD | WT |
| 2001-2004 | Chevrolet | Silverado 3500 | Base |
| 2001-2004 | Chevrolet | Silverado 3500 | LS |
| 2001-2004 | Chevrolet | Silverado 3500 | LT |
| 2004 | Chevrolet | Silverado 3500 | WT |
| 2002-2004 | GMC | Sierra 2500 HD | Base |
| 2001-2002 | GMC | Sierra 2500 HD | SL |
| 2001-2004 | GMC | Sierra 2500 HD | SLE |
| 2001-2004 | GMC | Sierra 2500 HD | SLT |
| 2003-2004 | GMC | Sierra 2500 HD | WT |
| 2002-2004 | GMC | Sierra 3500 | Base |
| 2001-2002 | GMC | Sierra 3500 | SL |
| 2001-2004 | GMC | Sierra 3500 | SLE |
| 2001-2004 | GMC | Sierra 3500 | SLT |
| 2004 | GMC | Sierra 3500 | WT |
- 2001-chevrolet-silverado-2500-hd-base-esi7342459
- 2001-chevrolet-silverado-2500-hd-ls-esi6754792
- 2001-chevrolet-silverado-2500-hd-lt-esi2467831
- 2001-chevrolet-silverado-3500-base-esi7812863
- 2001-chevrolet-silverado-3500-ls-esi5701365
- 2001-chevrolet-silverado-3500-lt-esi4322553
- 2001-gmc-sierra-2500-hd-sl-esi4492841
- 2001-gmc-sierra-2500-hd-sle-esi5813389
- 2001-gmc-sierra-2500-hd-slt-esi7794556
- 2001-gmc-sierra-3500-sl-esi4253002
- 2001-gmc-sierra-3500-sle-esi1000670
- 2001-gmc-sierra-3500-slt-esi4706144
- 2002-chevrolet-silverado-2500-hd-base-esi2769520
- 2002-chevrolet-silverado-2500-hd-ls-esi6562091
- 2002-chevrolet-silverado-2500-hd-lt-esi8606295
- 2002-chevrolet-silverado-3500-base-esi3933610
- 2002-chevrolet-silverado-3500-ls-esi4169798
- 2002-chevrolet-silverado-3500-lt-esi8024874
- 2002-gmc-sierra-2500-hd-base-esi7527539
- 2002-gmc-sierra-2500-hd-sl-esi4953549
- 2002-gmc-sierra-2500-hd-sle-esi5648900
- 2002-gmc-sierra-2500-hd-slt-esi3047408
- 2002-gmc-sierra-3500-base-esi2478337
- 2002-gmc-sierra-3500-sl-esi6729155
- 2002-gmc-sierra-3500-sle-esi7946330
- 2002-gmc-sierra-3500-slt-esi8772197
- 2003-chevrolet-silverado-2500-hd-base-esi2910564
- 2003-chevrolet-silverado-2500-hd-ls-esi7835286
- 2003-chevrolet-silverado-2500-hd-lt-esi7624478
- 2003-chevrolet-silverado-3500-base-esi3517319
- 2003-chevrolet-silverado-3500-ls-esi7019286
- 2003-chevrolet-silverado-3500-lt-esi9819539
- 2003-gmc-sierra-2500-hd-base-esi6922089
- 2003-gmc-sierra-2500-hd-sle-esi1810941
- 2003-gmc-sierra-2500-hd-slt-esi8359609
- 2003-gmc-sierra-2500-hd-wt-esi9583445
- 2003-gmc-sierra-3500-base-esi1257507
- 2003-gmc-sierra-3500-sle-esi8242857
- 2003-gmc-sierra-3500-slt-esi3775524
- 2004-chevrolet-silverado-2500-hd-base-esi2512306
- 2004-chevrolet-silverado-2500-hd-ls-esi5916034
- 2004-chevrolet-silverado-2500-hd-lt-esi6892882
- 2004-chevrolet-silverado-2500-hd-wt-esi2951074
- 2004-chevrolet-silverado-3500-base-esi6677302
- 2004-chevrolet-silverado-3500-ls-esi8602890
- 2004-chevrolet-silverado-3500-lt-esi7808507
- 2004-gmc-sierra-2500-hd-base-esi6489635
- 2004-gmc-sierra-2500-hd-sle-esi1949271
- 2004-gmc-sierra-2500-hd-slt-esi4203695
- 2004-gmc-sierra-2500-hd-wt-esi4404846
- 2004-gmc-sierra-3500-base-esi7174898
- 2004-gmc-sierra-3500-sle-esi7208636
- 2004-gmc-sierra-3500-slt-esi4775630
- 2004-gmc-sierra-3500-wt-esi3780265
- CARB-EO:D-763-2
- ClearanceItem:N
- EPA:Compliant
- Exhaust- Mufflers & Tips>Downpipes
- fits_2001-2004`Chevrolet`Silverado 2500 HD`Base~2001-2004`Chevrolet`Silverado 2500 HD`LS~2001-2004`Chevrolet`Silverado 2500 HD`LT~2004`Chevrolet`Silverado 2500 HD`WT~2001-2004`Chevrolet`Silverado 3500`Base~2001-2004`Chevrolet`Silverado 3500`LS
- fits_2001-2004`GMC`Sierra 3500`SLE~2001-2004`GMC`Sierra 3500`SLT~2004`GMC`Sierra 3500`WT
- fits_2004`Chevrolet`Silverado 3500`WT~2002-2004`GMC`Sierra 2500 HD`Base~2001-2002`GMC`Sierra 2500 HD`SL~2001-2004`GMC`Sierra 2500 HD`SLE~2001-2004`GMC`Sierra 2500 HD`SLT~2003-2004`GMC`Sierra 2500 HD`WT~2002-2004`GMC`Sierra 3500`Base
- LTL:N
- MPN:GMCA425
- Non-CARB:N
- Prop65:Y
- SpecialOrder:N