Cadillac ATS-V & V-Series 6 Cylinder Tracy Lewis Catch Can — LF3, LF4

INSTALLATION MANUAL

NOTICE: Each order is built specifically for your vehicle so there will be a short lead time!

If you know Cadillac performance, you already know the LF3 and LF4 aren't just engines, they're legendary twin-turbo V6 platforms that respond to power like few others. But with that performance comes a problem most people overlook — oil contamination.

Direct injection doesn't clean the intake valves. Add boost, and now you've got oil vapor and blow-by getting pushed right back into the intake system. Over time, that means carbon buildup, reduced efficiency, and lost performance.

That's where this system comes in.

What This Catch Can Does

Under boost and even normal driving conditions, your PCV system is constantly cycling oil vapor back into the intake.

This catch can stops that cycle.

It separates and captures oil, fuel vapor, and contaminants before they can reach your intake valves. Clean air continues through the system, while the junk gets trapped in the can.

Simple. Effective. Necessary.

Why It Matters on LF3 & LF4 Engines

These engines make power. And when you start pushing them, whether stock or tuned, blow-by increases.

More boost = more contamination.

Without a catch can, that buildup:

• Coats intake valves
• Reduces airflow and efficiency
• Lowers octane through oil contamination
• Increases the chance of knock

This system helps prevent all of it.

Built the Right Way

This isn't a universal kit with cheap internals.

This is purpose-built.

• Proper baffling for real oil separation
• High-quality lines and fittings
• Clean, straightforward installation
• Designed to integrate with factory systems

It works. And it keeps working.

Fitment

• 2014–2019 Cadillac CTS V-Sport
• 2014–2019 Cadillac XTS V-Sport
• 2014–2019 Cadillac ATS-V
• 2022–2026 Cadillac CT4-V Blackwing

The Bottom Line

If you're running an LF3 or LF4, you're sitting on one of Cadillac's best modern performance engines.

Protect it.

A catch can isn't just another mod, it's a smart upgrade that keeps your engine cleaner, safer, and performing the way it should every time you hit boost.

FAQ

Which Cadillac models does this V-Series catch can fit?

It fits the 2014-2019 Cadillac CTS V-Sport, the 2014-2019 Cadillac XTS V-Sport, the 2014-2019 Cadillac ATS-V, and the 2022-2026 Cadillac CT4-V Blackwing.

Why do LF3 and LF4 engines need a catch can?

Direct injection does not clean the intake valves. Add boost and oil vapor and blow-by are pushed back into the intake system, causing carbon buildup, reduced efficiency and lost performance. These engines make power, and when you push them, blow-by increases.

What does this catch can actually do?

Under boost and normal driving, the PCV system constantly cycles oil vapor back into the intake. This catch can separates and captures oil, fuel vapor and contaminants before they reach the intake valves. Clean air continues through the system while the contaminants are trapped in the can.

What happens without a catch can on these engines?

Buildup coats the intake valves, reduces airflow and efficiency, lowers octane through oil contamination, and increases the chance of knock.

How is this kit built?

It is purpose-built rather than a universal kit with cheap internals. It uses proper baffling for real oil separation, high-quality lines and fittings, a clean and straightforward installation, and is designed to integrate with factory systems.

Are installation instructions available?

Yes. An LF3-LF4 installation manual is linked at the top of this product page.

Is there a lead time on this kit?

Yes. Each order is built specifically for your vehicle, so there is a short lead time.