09-15 CTS-V Engine Bay Tank - Supercharger Reservoir

DMS 2009–2015 CTS-V Engine Bay Supercharger Coolant Tank

Looking to increase the supercharger cooling efficiency in your 2009–2015 Cadillac CTS-V? The DMS Engine Bay Tank is the ultimate bolt-on solution to expand your intercooler reservoir’s capacity—delivering extended cooling performance for spirited driving or track days.

Engineered specifically for the 2nd-gen CTS-V chassis, this tank utilizes all available space under the hood and delivers a true 2-gallon capacity, making it the largest direct-fit bay tank available on the market.

Key Features:

• True 2-Gallon Capacity – Maximize coolant volume without modification

• Perfect Fitment – CAD-modeled, CNC-formed, and TIG-welded in-house from 0.125" 5052 aluminum

• Durable Construction – Built to last the life of your vehicle

• Includes All Hardware – Brackets, fittings, and fasteners included for a complete installation

• Pairs Perfectly with the DMS Milled & Reinforced Supercharger Lid

What’s Included:

• DMS Engine Bay Coolant Tank – 5052 aluminum

• Custom bracket system for secure mounting

• Installation hardware and coolant fittings

Please Note: 

• This is a capacity-expanding tank, not an ice tank

• Drain plug not included (designed for liquid-only use)

• For track-focused builds or drag racing applications that require icing, contact us for a dedicated trunk tank solution