Mishimoto Cold-Side Intercooler Pipe & Boot Kit - Chevrolet / GMC 2017-2019 6.6L Duramax L5P - Wrinkle Black

Mishimoto cold-side intercooler pipe and boot kit for the 2017-2019 Chevrolet Silverado and GMC Sierra 2500/3500 HD 6.6L Duramax L5P. Replaces the choked 2.5in stock cold-side pipe with smooth 3in mandrel-bent aluminum, up to 16% less restrictive than stock. Two-piece design eases install; a CNC quick-disconnect with new O-ring and spring clip retains the IAT harness mount. Includes DuraCore silicone boots and constant-tension T-bolt clamps. Wrinkle-black finish. Lifetime warranty.

Specifications

This part fits:

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