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-esi8669766
- 2001-chevrolet-silverado-2500-hd-ls-esi3098323
- 2001-chevrolet-silverado-2500-hd-lt-esi1555530
- 2001-chevrolet-silverado-3500-base-esi4372589
- 2001-chevrolet-silverado-3500-ls-esi4865489
- 2001-chevrolet-silverado-3500-lt-esi6557092
- 2001-gmc-sierra-2500-hd-sl-esi3375908
- 2001-gmc-sierra-2500-hd-sle-esi4874847
- 2001-gmc-sierra-2500-hd-slt-esi5085745
- 2001-gmc-sierra-3500-sl-esi1865112
- 2001-gmc-sierra-3500-sle-esi9867181
- 2001-gmc-sierra-3500-slt-esi6811907
- 2002-chevrolet-silverado-2500-hd-base-esi2358951
- 2002-chevrolet-silverado-2500-hd-ls-esi2174010
- 2002-chevrolet-silverado-2500-hd-lt-esi7577773
- 2002-chevrolet-silverado-3500-base-esi8847475
- 2002-chevrolet-silverado-3500-ls-esi7663373
- 2002-chevrolet-silverado-3500-lt-esi1590386
- 2002-gmc-sierra-2500-hd-base-esi6271759
- 2002-gmc-sierra-2500-hd-sl-esi7061220
- 2002-gmc-sierra-2500-hd-sle-esi5756640
- 2002-gmc-sierra-2500-hd-slt-esi3813846
- 2002-gmc-sierra-3500-base-esi7300287
- 2002-gmc-sierra-3500-sl-esi5270111
- 2002-gmc-sierra-3500-sle-esi6378787
- 2002-gmc-sierra-3500-slt-esi2668660
- 2003-chevrolet-silverado-2500-hd-base-esi7569594
- 2003-chevrolet-silverado-2500-hd-ls-esi8274097
- 2003-chevrolet-silverado-2500-hd-lt-esi1067469
- 2003-chevrolet-silverado-3500-base-esi6466448
- 2003-chevrolet-silverado-3500-ls-esi2812125
- 2003-chevrolet-silverado-3500-lt-esi6199871
- 2003-gmc-sierra-2500-hd-base-esi9737712
- 2003-gmc-sierra-2500-hd-sle-esi4179368
- 2003-gmc-sierra-2500-hd-slt-esi3700933
- 2003-gmc-sierra-2500-hd-wt-esi2305224
- 2003-gmc-sierra-3500-base-esi5130388
- 2003-gmc-sierra-3500-sle-esi3630789
- 2003-gmc-sierra-3500-slt-esi3580218
- 2004-chevrolet-silverado-2500-hd-base-esi6461374
- 2004-chevrolet-silverado-2500-hd-ls-esi3879084
- 2004-chevrolet-silverado-2500-hd-lt-esi9142715
- 2004-chevrolet-silverado-2500-hd-wt-esi5132126
- 2004-chevrolet-silverado-3500-base-esi9987919
- 2004-chevrolet-silverado-3500-ls-esi7645560
- 2004-chevrolet-silverado-3500-lt-esi4052521
- 2004-gmc-sierra-2500-hd-base-esi9546502
- 2004-gmc-sierra-2500-hd-sle-esi8288135
- 2004-gmc-sierra-2500-hd-slt-esi5228846
- 2004-gmc-sierra-2500-hd-wt-esi2355750
- 2004-gmc-sierra-3500-base-esi8701470
- 2004-gmc-sierra-3500-sle-esi4300312
- 2004-gmc-sierra-3500-slt-esi1962761
- 2004-gmc-sierra-3500-wt-esi2078612
- ClearanceItem:N
- EPA:N/A
- 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:GM8425
- Non-CARB:Y
- Prop65:Y
- SpecialOrder:N