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-esi2817134
- 2001-chevrolet-silverado-2500-hd-ls-esi1206218
- 2001-chevrolet-silverado-2500-hd-lt-esi7506056
- 2001-chevrolet-silverado-3500-base-esi8892050
- 2001-chevrolet-silverado-3500-ls-esi4094175
- 2001-chevrolet-silverado-3500-lt-esi8432745
- 2001-gmc-sierra-2500-hd-sl-esi4214753
- 2001-gmc-sierra-2500-hd-sle-esi2968432
- 2001-gmc-sierra-2500-hd-slt-esi3775354
- 2001-gmc-sierra-3500-sl-esi8691810
- 2001-gmc-sierra-3500-sle-esi3497558
- 2001-gmc-sierra-3500-slt-esi6561406
- 2002-chevrolet-silverado-2500-hd-base-esi8682457
- 2002-chevrolet-silverado-2500-hd-ls-esi8676842
- 2002-chevrolet-silverado-2500-hd-lt-esi2614520
- 2002-chevrolet-silverado-3500-base-esi3233771
- 2002-chevrolet-silverado-3500-ls-esi2872255
- 2002-chevrolet-silverado-3500-lt-esi8745665
- 2002-gmc-sierra-2500-hd-base-esi3057411
- 2002-gmc-sierra-2500-hd-sl-esi9574024
- 2002-gmc-sierra-2500-hd-sle-esi8475226
- 2002-gmc-sierra-2500-hd-slt-esi6484103
- 2002-gmc-sierra-3500-base-esi5868515
- 2002-gmc-sierra-3500-sl-esi3824986
- 2002-gmc-sierra-3500-sle-esi8670781
- 2002-gmc-sierra-3500-slt-esi8837757
- 2003-chevrolet-silverado-2500-hd-base-esi6550766
- 2003-chevrolet-silverado-2500-hd-ls-esi4515580
- 2003-chevrolet-silverado-2500-hd-lt-esi5636510
- 2003-chevrolet-silverado-3500-base-esi9543397
- 2003-chevrolet-silverado-3500-ls-esi5175569
- 2003-chevrolet-silverado-3500-lt-esi4346192
- 2003-gmc-sierra-2500-hd-base-esi9013763
- 2003-gmc-sierra-2500-hd-sle-esi5975906
- 2003-gmc-sierra-2500-hd-slt-esi6209215
- 2003-gmc-sierra-2500-hd-wt-esi3815908
- 2003-gmc-sierra-3500-base-esi7993737
- 2003-gmc-sierra-3500-sle-esi7738837
- 2003-gmc-sierra-3500-slt-esi4805613
- 2004-chevrolet-silverado-2500-hd-base-esi3806048
- 2004-chevrolet-silverado-2500-hd-ls-esi8455967
- 2004-chevrolet-silverado-2500-hd-lt-esi9151872
- 2004-chevrolet-silverado-2500-hd-wt-esi4541503
- 2004-chevrolet-silverado-3500-base-esi4490062
- 2004-chevrolet-silverado-3500-ls-esi7406275
- 2004-chevrolet-silverado-3500-lt-esi4804081
- 2004-chevrolet-silverado-3500-wt-esi8350643
- 2004-gmc-sierra-2500-hd-base-esi6913227
- 2004-gmc-sierra-2500-hd-sle-esi4510263
- 2004-gmc-sierra-2500-hd-slt-esi9777112
- 2004-gmc-sierra-2500-hd-wt-esi2124749
- 2004-gmc-sierra-3500-base-esi6224311
- 2004-gmc-sierra-3500-sle-esi4893257
- 2004-gmc-sierra-3500-slt-esi2317131
- 2004-gmc-sierra-3500-wt-esi5494366
- 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