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-esi9093950
- 2011-chevrolet-silverado-2500-hd-ltz-esi6346543
- 2011-chevrolet-silverado-3500-hd-lt-esi4125444
- 2011-chevrolet-silverado-3500-hd-wt-esi8826004
- 2011-gmc-sierra-2500-hd-denali-esi6594936
- 2011-gmc-sierra-2500-hd-sle-esi4572664
- 2011-gmc-sierra-2500-hd-slt-esi2018471
- 2011-gmc-sierra-2500-hd-wt-esi4260189
- 2011-gmc-sierra-3500-hd-denali-esi7554508
- 2011-gmc-sierra-3500-hd-sle-esi2722740
- 2011-gmc-sierra-3500-hd-slt-esi2997569
- 2011-gmc-sierra-3500-hd-wt-esi2239308
- 2012-chevrolet-silverado-2500-hd-lt-esi6248801
- 2012-chevrolet-silverado-2500-hd-ltz-esi7553169
- 2012-chevrolet-silverado-2500-hd-wt-esi1621549
- 2012-chevrolet-silverado-3500-hd-lt-esi1215730
- 2012-chevrolet-silverado-3500-hd-wt-esi2783743
- 2012-gmc-sierra-2500-hd-denali-esi1719336
- 2012-gmc-sierra-2500-hd-sle-esi4899308
- 2012-gmc-sierra-2500-hd-slt-esi9114990
- 2012-gmc-sierra-3500-hd-denali-esi8042680
- 2012-gmc-sierra-3500-hd-sle-esi8172302
- 2012-gmc-sierra-3500-hd-slt-esi6384497
- 2012-gmc-sierra-3500-hd-wt-esi7263181
- 2013-chevrolet-silverado-2500-hd-lt-esi8953766
- 2013-chevrolet-silverado-2500-hd-ltz-esi5929192
- 2013-chevrolet-silverado-3500-hd-lt-esi1229419
- 2013-chevrolet-silverado-3500-hd-ltz-esi1439821
- 2013-chevrolet-silverado-3500-hd-wt-esi4000896
- 2013-gmc-sierra-2500-hd-denali-esi5942256
- 2013-gmc-sierra-2500-hd-sle-esi4868893
- 2013-gmc-sierra-2500-hd-slt-esi6164391
- 2013-gmc-sierra-2500-hd-wt-esi6164779
- 2013-gmc-sierra-3500-hd-denali-esi3763926
- 2013-gmc-sierra-3500-hd-sle-esi2856773
- 2013-gmc-sierra-3500-hd-slt-esi8609538
- 2014-chevrolet-silverado-2500-hd-lt-esi3713170
- 2014-chevrolet-silverado-2500-hd-ltz-esi8490617
- 2014-chevrolet-silverado-3500-hd-lt-esi9000597
- 2014-chevrolet-silverado-3500-hd-ltz-esi5576770
- 2014-chevrolet-silverado-3500-hd-wt-esi9477011
- 2014-gmc-sierra-2500-hd-denali-esi7819282
- 2014-gmc-sierra-2500-hd-sle-esi4694657
- 2014-gmc-sierra-2500-hd-slt-esi8765972
- 2014-gmc-sierra-3500-hd-denali-esi2925552
- 2014-gmc-sierra-3500-hd-sle-esi7539095
- 2014-gmc-sierra-3500-hd-slt-esi1736120
- 2015-chevrolet-silverado-2500-hd-high-country-esi5723275
- 2015-chevrolet-silverado-2500-hd-lt-esi9003553
- 2015-chevrolet-silverado-2500-hd-ltz-esi6509644
- 2015-chevrolet-silverado-3500-hd-high-country-esi7650908
- 2015-chevrolet-silverado-3500-hd-lt-esi5461417
- 2015-chevrolet-silverado-3500-hd-ltz-esi9628403
- 2015-chevrolet-silverado-3500-hd-wt-esi1797893
- 2015-gmc-sierra-2500-hd-base-esi8726059
- 2015-gmc-sierra-2500-hd-denali-esi8587010
- 2015-gmc-sierra-2500-hd-sle-esi2762717
- 2015-gmc-sierra-2500-hd-slt-esi6888976
- 2015-gmc-sierra-3500-hd-base-esi2195146
- 2015-gmc-sierra-3500-hd-denali-esi4435141
- 2015-gmc-sierra-3500-hd-sle-esi4629957
- 2015-gmc-sierra-3500-hd-slt-esi7057311
- 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