Mishimoto intercooler pipe and boot kit for the 2011-2016 Chevrolet Silverado and GMC Sierra 2500/3500 HD 6.6L Duramax. Includes both the hot-side and cold-side pipes — 3.5in cold-side and 3in hot-side mandrel-bent polished aluminum that eliminate restrictive factory bends for improved airflow, power and EGTs. Includes DuraCore silicone boots and constant-tension T-bolt clamps. Lifetime warranty.
Specifications
| Type | Intercooler pipe & boot kit (hot + cold side) |
| Vehicle | Chevrolet Silverado / GMC Sierra 2500-3500 HD 2011-2016 6.6L Duramax |
| Piping | 3.5in cold-side + 3in hot-side mandrel-bent aluminum |
| Boots | DuraCore silicone; constant-tension T-bolt clamps |
| Part Number | MMICP-DMAX-11KBK |
| Warranty | Lifetime |
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 |
| 2015-2020 | Chevrolet | Silverado 3500 HD | High Country |
| 2007-2020 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2020 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2020 | 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 |
| 2020 | GMC | Sierra 3500 HD | AT4 |
| 2015-2020 | GMC | Sierra 3500 HD | Base |
| 2011-2020 | GMC | Sierra 3500 HD | Denali |
| 2007-2020 | GMC | Sierra 3500 HD | SLE |
| 2007-2020 | GMC | Sierra 3500 HD | SLT |
| 2007-2014 | GMC | Sierra 3500 HD | WT |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
