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-esi7396794
- 2001-chevrolet-silverado-2500-hd-ls-esi4766242
- 2001-chevrolet-silverado-2500-hd-lt-esi5912589
- 2001-chevrolet-silverado-3500-base-esi9416046
- 2001-chevrolet-silverado-3500-ls-esi7203951
- 2001-chevrolet-silverado-3500-lt-esi9294311
- 2001-gmc-sierra-2500-hd-sl-esi7973091
- 2001-gmc-sierra-2500-hd-sle-esi7200446
- 2001-gmc-sierra-2500-hd-slt-esi9082514
- 2001-gmc-sierra-3500-sl-esi7324030
- 2001-gmc-sierra-3500-sle-esi4662710
- 2001-gmc-sierra-3500-slt-esi7206189
- 2002-chevrolet-silverado-2500-hd-base-esi4304563
- 2002-chevrolet-silverado-2500-hd-ls-esi2729909
- 2002-chevrolet-silverado-2500-hd-lt-esi3394599
- 2002-chevrolet-silverado-3500-base-esi3368318
- 2002-chevrolet-silverado-3500-ls-esi1933449
- 2002-chevrolet-silverado-3500-lt-esi7869587
- 2002-gmc-sierra-2500-hd-base-esi5750723
- 2002-gmc-sierra-2500-hd-sl-esi5466511
- 2002-gmc-sierra-2500-hd-sle-esi7638527
- 2002-gmc-sierra-2500-hd-slt-esi7429542
- 2002-gmc-sierra-3500-base-esi9927790
- 2002-gmc-sierra-3500-sl-esi4985077
- 2002-gmc-sierra-3500-sle-esi9257582
- 2002-gmc-sierra-3500-slt-esi7326713
- 2003-chevrolet-silverado-2500-hd-base-esi6751204
- 2003-chevrolet-silverado-2500-hd-ls-esi5836660
- 2003-chevrolet-silverado-2500-hd-lt-esi3185045
- 2003-chevrolet-silverado-3500-base-esi3964760
- 2003-chevrolet-silverado-3500-ls-esi8517936
- 2003-chevrolet-silverado-3500-lt-esi4153313
- 2003-gmc-sierra-2500-hd-base-esi3583298
- 2003-gmc-sierra-2500-hd-sle-esi2161222
- 2003-gmc-sierra-2500-hd-slt-esi9302299
- 2003-gmc-sierra-2500-hd-wt-esi6344714
- 2003-gmc-sierra-3500-base-esi9617046
- 2003-gmc-sierra-3500-sle-esi9612771
- 2003-gmc-sierra-3500-slt-esi9422693
- 2004-chevrolet-silverado-2500-hd-base-esi2615922
- 2004-chevrolet-silverado-2500-hd-ls-esi2274640
- 2004-chevrolet-silverado-2500-hd-lt-esi3570210
- 2004-chevrolet-silverado-2500-hd-wt-esi8864877
- 2004-chevrolet-silverado-3500-base-esi5149839
- 2004-chevrolet-silverado-3500-ls-esi1911054
- 2004-chevrolet-silverado-3500-lt-esi8148646
- 2004-chevrolet-silverado-3500-wt-esi7693239
- 2004-gmc-sierra-2500-hd-base-esi5499607
- 2004-gmc-sierra-2500-hd-sle-esi5749829
- 2004-gmc-sierra-2500-hd-slt-esi9531893
- 2004-gmc-sierra-2500-hd-wt-esi8261872
- 2004-gmc-sierra-3500-base-esi8594505
- 2004-gmc-sierra-3500-sle-esi4679718
- 2004-gmc-sierra-3500-slt-esi6759744
- 2004-gmc-sierra-3500-wt-esi8343842
- EPA:Testing
- 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:GM8425
- Non-CARB:Y
- Prop65:Y
- SpecialOrder:N