Cadillac CT4 Blow Off Valve Adapter - Torque Solution - `19-`27. This adapter adds a pronounced vent-to-atmosphere sound to 2.7T-equipped CT4 models while keeping the factory diverter valve in control.

Engineered by Torque Solution for the GM 2.7T turbo system, this piece installs at the factory diverter valve location to release a portion of charge air to atmosphere. The result is sharper audible feedback under throttle lift without altering the ECU’s strategy. It’s a straightforward bolt-on that uses factory mounting points and is fully reversible, making it a solid choice for enthusiasts who want more character from their turbo without permanent changes. Pair it with intake or charge pipe upgrades for a cohesive setup.

Features

• Designed for Cadillac CT4 2.7T applications
• Vent-to-atmosphere effect for pronounced turbo sound
• Direct bolt-on at the factory diverter valve location
• Reversible install with no permanent modifications
• Retains factory electronic diverter functionality

Have questions or need guidance on fitment and setup? Call our specialists at 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations in Austin, Texas and the Los Angeles, California area where we offer professional installation and customization services.

Thinking about multiple items? Contact us for shipping discounts. We install on premises at both locations.

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