aFe BladeRunner intercooler charge pipe for the 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD 6.6L LML Duramax diesel. Built from 3in mandrel-bent, 100% MIG-welded stainless steel, it outflows the factory charge pipe by 67% and produced 16 HP and 49 lb-ft of torque on the dyno along with lower EGTs and improved MPG. Includes 4-ply heavy-duty couplings, constant-tension T-bolt clamps, a brake-line relocation bracket and all hardware. Backed by a 2-year limited warranty.
| Type | Intercooler charge pipe (BladeRunner) |
| Material | 3 in mandrel-bent stainless steel, 100% MIG-welded |
| Couplings | 4-ply heavy-duty with constant-tension T-bolt clamps |
| Gains | +16 HP and +49 lb-ft; outflows stock by 67% |
| Part Number | 46-20118 |
| Warranty | 2-year limited |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2016 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2016 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2016 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2016 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2016 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2016 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2016 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2016 | Chevrolet | Silverado 3500 HD | WT |
| 2015-2016 | GMC | Sierra 2500 HD | Base |
| 2011-2016 | GMC | Sierra 2500 HD | Denali |
| 2011-2016 | GMC | Sierra 2500 HD | SLE |
| 2011-2016 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2015-2016 | GMC | Sierra 3500 HD | Base |
| 2011-2016 | GMC | Sierra 3500 HD | Denali |
| 2011-2016 | GMC | Sierra 3500 HD | SLE |
| 2011-2016 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
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Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
