W.3 Turbo Core Exchange Process
W.3 Turbo Upgrade: How the Core Exchange Process Works
The W.3 Turbo Upgrade is a rebuild and upgrade of your original factory turbochargers, not a set of brand-new units. Here is exactly how the process works from the moment you place your order to the day your upgraded turbos are back on your car.
Send In Your Turbos
This service is a comprehensive rebuild and upgrade of your original factory turbochargers. You will need to remove your stock turbos and ship them to us to begin the process.
1266 N La Loma Cir.
Anaheim, CA 92806
Package Your Turbos Carefully
Please box your turbos securely for shipping. We regularly receive turbos that arrive loose or partially hanging out of the box, which risks damage in transit and can delay your rebuild. Wrap each turbo individually and use a sturdy box with enough padding that nothing can shift or poke through during shipping.
Inspection & Fulfillment
As soon as your turbos arrive at our facility, we thoroughly inspect them to make sure every reused component is damage-free. If we find any damage to a reused component, we will contact you directly with the repair cost before moving forward.
If your turbos failed before you sent them in, this is often a good opportunity to fix the problem and upgrade at the same time in a single process. Whether that is possible depends on the extent of the damage to your core, and we will let you know exactly what we find and what it will take once your turbos are inspected.
- If a built W.3 is in stock: it ships out to you immediately upon inspection approval, minimizing your downtime. Feel free to call or email us ahead of time to check current inventory before you ship your turbos in, so you can time it right for minimal downtime.
- If no built W.3 is in stock: your exact OEM units are rebuilt in-house. This typically takes up to 2–3 weeks, depending on current shop scheduling.
How Does the Weistec W.3 Turbo Upgrade Work?
The factory turbochargers are disassembled and fully inspected. The compressor cover and center cartridge are then machined to accept our 5-axis CNC-machined impeller wheel. Externally, no changes are made, preserving a completely stock appearance. The new impeller wheel supports greater power levels than the factory unit with little to no sacrifice in spool or response. The turbochargers are then reassembled with all new seals and bearings, and fully balanced for smooth operation and OEM service life. All original oil and coolant lines bolt right up, making for a simple install.
See the process in action: Watch the video →
Tuning & Supporting Modifications
Custom ECU calibration is recommended after installation to safely extract the full performance from your upgraded turbos. Actual power gains depend on your specific vehicle setup, fuel type, and any supporting modifications.
Questions Before You Ship?
Email sales@weistec.com any time if you have questions about shipping your turbos in, want a core exchange quote, or need help setting up your order.