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-esi6739052
- 2011-chevrolet-silverado-2500-hd-ltz-esi6116671
- 2011-chevrolet-silverado-3500-hd-lt-esi8283849
- 2011-chevrolet-silverado-3500-hd-wt-esi4972618
- 2011-gmc-sierra-2500-hd-denali-esi5874257
- 2011-gmc-sierra-2500-hd-sle-esi9349706
- 2011-gmc-sierra-2500-hd-slt-esi3520973
- 2011-gmc-sierra-2500-hd-wt-esi9530584
- 2011-gmc-sierra-3500-hd-denali-esi1607734
- 2011-gmc-sierra-3500-hd-sle-esi2747354
- 2011-gmc-sierra-3500-hd-slt-esi5591178
- 2011-gmc-sierra-3500-hd-wt-esi7287344
- 2012-chevrolet-silverado-2500-hd-lt-esi2820334
- 2012-chevrolet-silverado-2500-hd-ltz-esi4467698
- 2012-chevrolet-silverado-2500-hd-wt-esi9485918
- 2012-chevrolet-silverado-3500-hd-lt-esi5031542
- 2012-chevrolet-silverado-3500-hd-wt-esi5035913
- 2012-gmc-sierra-2500-hd-denali-esi5090286
- 2012-gmc-sierra-2500-hd-sle-esi2727935
- 2012-gmc-sierra-2500-hd-slt-esi7366444
- 2012-gmc-sierra-3500-hd-denali-esi9106623
- 2012-gmc-sierra-3500-hd-sle-esi8457519
- 2012-gmc-sierra-3500-hd-slt-esi9360591
- 2012-gmc-sierra-3500-hd-wt-esi3381854
- 2013-chevrolet-silverado-2500-hd-lt-esi8248023
- 2013-chevrolet-silverado-2500-hd-ltz-esi5193228
- 2013-chevrolet-silverado-3500-hd-lt-esi1254747
- 2013-chevrolet-silverado-3500-hd-ltz-esi2611010
- 2013-chevrolet-silverado-3500-hd-wt-esi1646023
- 2013-gmc-sierra-2500-hd-denali-esi6091314
- 2013-gmc-sierra-2500-hd-sle-esi1923430
- 2013-gmc-sierra-2500-hd-slt-esi1918114
- 2013-gmc-sierra-2500-hd-wt-esi6176193
- 2013-gmc-sierra-3500-hd-denali-esi5329530
- 2013-gmc-sierra-3500-hd-sle-esi1831718
- 2013-gmc-sierra-3500-hd-slt-esi3827129
- 2014-chevrolet-silverado-2500-hd-lt-esi4888240
- 2014-chevrolet-silverado-2500-hd-ltz-esi5449428
- 2014-chevrolet-silverado-3500-hd-lt-esi5068168
- 2014-chevrolet-silverado-3500-hd-ltz-esi6225353
- 2014-chevrolet-silverado-3500-hd-wt-esi2942611
- 2014-gmc-sierra-2500-hd-denali-esi6756774
- 2014-gmc-sierra-2500-hd-sle-esi9845475
- 2014-gmc-sierra-2500-hd-slt-esi6093435
- 2014-gmc-sierra-3500-hd-denali-esi9088249
- 2014-gmc-sierra-3500-hd-sle-esi5625836
- 2014-gmc-sierra-3500-hd-slt-esi8221923
- 2015-chevrolet-silverado-2500-hd-high-country-esi9958005
- 2015-chevrolet-silverado-2500-hd-lt-esi5867000
- 2015-chevrolet-silverado-2500-hd-ltz-esi3839564
- 2015-chevrolet-silverado-3500-hd-high-country-esi2963000
- 2015-chevrolet-silverado-3500-hd-lt-esi4603108
- 2015-chevrolet-silverado-3500-hd-ltz-esi5864130
- 2015-chevrolet-silverado-3500-hd-wt-esi1954168
- 2015-gmc-sierra-2500-hd-base-esi9997655
- 2015-gmc-sierra-2500-hd-denali-esi8148578
- 2015-gmc-sierra-2500-hd-sle-esi5485807
- 2015-gmc-sierra-2500-hd-slt-esi6324118
- 2015-gmc-sierra-3500-hd-base-esi1253597
- 2015-gmc-sierra-3500-hd-denali-esi4149867
- 2015-gmc-sierra-3500-hd-sle-esi2799635
- 2015-gmc-sierra-3500-hd-slt-esi7631241
- 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