Stainless Steel Construction: The headers are constructed out of heavy duty gauge, mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. The up-pipes and down-pipe are constructed out of 2" and 3" mandrel-bent 304 brush finished stainless steel tubing.Optimized Tube Lengths: Tube lengths and mitered collectors are optimized for true pulse control technology which improves flow and performance across the power band.Heavy-Duty Flanges: A CNC-machined v-band inlet flange and heavy-duty outlet flange provide a secure, leak-free seal.EGT Ports: Two exhaust gas temperature (EGT) ports are provided with this system. A 1/8 NPT EGT probe port is incorporated into the driver™s side manifold and a M14x1.5 port in the down pipe. This allows for easy installation of sensors, gauges or testing equipment.4" Interlock Flex Pipes: The up-pipes utilizes heavy duty 4" flex tubes with internal interlock liners.Retains EGR Flange: This system retains the EGR flange.Factory Mounting Locations: These headers utilize factory locations making it a true bolt-on system, no cutting or drilling required and includes all necessary hardware for a hassle-free installation.Fitment Note: This item will not fit models manufactured after July 2014 equipped with a 3 bolt flanged down-pipe.aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2015 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2015 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2015 | Chevrolet | Silverado 2500 HD | WT |
| 2015 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2015 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2015 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2015 | Chevrolet | Silverado 3500 HD | WT |
| 2015 | GMC | Sierra 2500 HD | Base |
| 2011-2015 | GMC | Sierra 2500 HD | Denali |
| 2011-2015 | GMC | Sierra 2500 HD | SLE |
| 2011-2015 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2015 | GMC | Sierra 3500 HD | Base |
| 2011-2015 | GMC | Sierra 3500 HD | Denali |
| 2011-2015 | GMC | Sierra 3500 HD | SLE |
| 2011-2015 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
- 2011-chevrolet-silverado-2500-hd-lt-esi4177843
- 2011-chevrolet-silverado-2500-hd-ltz-esi1142048
- 2011-chevrolet-silverado-3500-hd-lt-esi9948354
- 2011-chevrolet-silverado-3500-hd-wt-esi4883896
- 2011-gmc-sierra-2500-hd-denali-esi9094784
- 2011-gmc-sierra-2500-hd-sle-esi1738618
- 2011-gmc-sierra-2500-hd-slt-esi1155258
- 2011-gmc-sierra-2500-hd-wt-esi2881071
- 2011-gmc-sierra-3500-hd-denali-esi3757035
- 2011-gmc-sierra-3500-hd-sle-esi5531022
- 2011-gmc-sierra-3500-hd-slt-esi9228777
- 2011-gmc-sierra-3500-hd-wt-esi6579551
- 2012-chevrolet-silverado-2500-hd-lt-esi6300147
- 2012-chevrolet-silverado-2500-hd-ltz-esi2101794
- 2012-chevrolet-silverado-2500-hd-wt-esi3168600
- 2012-chevrolet-silverado-3500-hd-lt-esi2626024
- 2012-chevrolet-silverado-3500-hd-wt-esi1052227
- 2012-gmc-sierra-2500-hd-denali-esi1484547
- 2012-gmc-sierra-2500-hd-sle-esi1456133
- 2012-gmc-sierra-2500-hd-slt-esi3598209
- 2012-gmc-sierra-3500-hd-denali-esi3378340
- 2012-gmc-sierra-3500-hd-sle-esi9798021
- 2012-gmc-sierra-3500-hd-slt-esi8657868
- 2012-gmc-sierra-3500-hd-wt-esi8364552
- 2013-chevrolet-silverado-2500-hd-lt-esi8636903
- 2013-chevrolet-silverado-2500-hd-ltz-esi2362483
- 2013-chevrolet-silverado-3500-hd-lt-esi9199018
- 2013-chevrolet-silverado-3500-hd-ltz-esi3499520
- 2013-chevrolet-silverado-3500-hd-wt-esi6148446
- 2013-gmc-sierra-2500-hd-denali-esi4448886
- 2013-gmc-sierra-2500-hd-sle-esi1496526
- 2013-gmc-sierra-2500-hd-slt-esi8326126
- 2013-gmc-sierra-2500-hd-wt-esi8115208
- 2013-gmc-sierra-3500-hd-denali-esi6556480
- 2013-gmc-sierra-3500-hd-sle-esi4844870
- 2013-gmc-sierra-3500-hd-slt-esi6752636
- 2014-chevrolet-silverado-2500-hd-lt-esi3076836
- 2014-chevrolet-silverado-2500-hd-ltz-esi1354718
- 2014-chevrolet-silverado-3500-hd-lt-esi6078662
- 2014-chevrolet-silverado-3500-hd-ltz-esi5815814
- 2014-chevrolet-silverado-3500-hd-wt-esi5833653
- 2014-gmc-sierra-2500-hd-denali-esi2552131
- 2014-gmc-sierra-2500-hd-sle-esi2279341
- 2014-gmc-sierra-2500-hd-slt-esi7432999
- 2014-gmc-sierra-3500-hd-denali-esi8974671
- 2014-gmc-sierra-3500-hd-sle-esi5988399
- 2014-gmc-sierra-3500-hd-slt-esi3146168
- 2015-chevrolet-silverado-2500-hd-high-country-esi7755102
- 2015-chevrolet-silverado-2500-hd-lt-esi3654816
- 2015-chevrolet-silverado-2500-hd-ltz-esi9265035
- 2015-chevrolet-silverado-3500-hd-high-country-esi9429980
- 2015-chevrolet-silverado-3500-hd-lt-esi6688717
- 2015-chevrolet-silverado-3500-hd-ltz-esi2505996
- 2015-chevrolet-silverado-3500-hd-wt-esi5220825
- 2015-gmc-sierra-2500-hd-base-esi3813548
- 2015-gmc-sierra-2500-hd-denali-esi9107431
- 2015-gmc-sierra-2500-hd-sle-esi2615129
- 2015-gmc-sierra-2500-hd-slt-esi8335648
- 2015-gmc-sierra-3500-hd-base-esi3752390
- 2015-gmc-sierra-3500-hd-denali-esi3378770
- 2015-gmc-sierra-3500-hd-sle-esi3316325
- 2015-gmc-sierra-3500-hd-slt-esi2457088
- ClearanceItem:N
- EPA:N/A
- Exhaust- Mufflers & Tips>Headers & Manifolds
- fits_2011-2015`Chevrolet`Silverado 3500 HD`LTZ~2011-2015`Chevrolet`Silverado 3500 HD`WT~2015`GMC`Sierra 2500 HD`Base~2011-2015`GMC`Sierra 2500 HD`Denali~2011-2015`GMC`Sierra 2500 HD`SLE~2011-2015`GMC`Sierra 2500 HD`SLT~2011-2014`GMC`Sierra 2500 HD`WT
- fits_2011-2015`GMC`Sierra 3500 HD`Denali~2011-2015`GMC`Sierra 3500 HD`SLE~2011-2015`GMC`Sierra 3500 HD`SLT~2011-2014`GMC`Sierra 3500 HD`WT
- fits_2015`Chevrolet`Silverado 2500 HD`High Country~2011-2015`Chevrolet`Silverado 2500 HD`LT~2011-2015`Chevrolet`Silverado 2500 HD`LTZ~2011-2015`Chevrolet`Silverado 2500 HD`WT~2015`Chevrolet`Silverado 3500 HD`High Country
- LTL:N
- MPN:48-34139
- Non-CARB:Y
- Prop65:Y
- SpecialOrder:Y