Introduction
A 3.5" high-flow Y-bridge for 2017–2024 6.6L Duramax L5P engines running aftermarket turbos. The factory Y-bridge is a significant restriction in the intake tract once more air and fuel are added, and this upgrade replaces it to increase airflow and support higher boost.
Compatibility
| Make | Model | Year | Engine |
|---|---|---|---|
| Chevrolet | Silverado 2500HD | 2017–2024 | 6.6L Duramax L5P |
| Chevrolet | Silverado 3500HD | 2017–2024 | 6.6L Duramax L5P |
| GMC | Sierra 2500HD | 2017–2024 | 6.6L Duramax L5P |
| GMC | Sierra 3500HD | 2017–2024 | 6.6L Duramax L5P |
Features
- 3.5-inch high-flow Y-bridge that increases airflow over the restrictive factory unit
- 304 stainless steel construction, TIG welded
- Bead-rolled inlet for secure coupler retention
- Built for aftermarket turbochargers and custom charge piping
- Bolts to OEM intake runners using existing OEM hardware and seals
- Includes bungs for the MAP sensor and 1/8" NPT accessories (boost, meth injection, or data logging)
Technical Specifications
| Material | 304 Stainless Steel |
|---|---|
| Inlet Diameter | 3.5 inches |
| Construction | TIG welded |
| Sensor Ports | Factory MAP sensor bung plus a 1/8" NPT accessory bung |
| Finish | Raw stainless |
Benefits
- Removes the significant factory intake restriction when more air and fuel are added
- Supports higher boost and aggressive tuning
- Steadier intake flow under load
- Reduces coupler blow-off risk
- Handles extreme heat and race conditions
Installation and Notes
- Bolts to OEM intake runners using existing OEM hardware and seals
- Requires custom fabrication, custom charge piping, and an aftermarket turbo
- Ideal for builds utilizing an aftermarket turbocharger and charge piping
- Not compatible with the factory turbo or OEM intercooler piping
- Race and off-road use only
Frequently Asked Questions
Is this a direct replacement for the factory Y-bridge?
No. It's a performance upgrade for custom builds and requires custom fabrication, aftermarket intercooler piping, and often custom tuning.
Will it work with the factory turbo?
No. Aftermarket turbo setups only.
Does it include sensor provisions?
Yes. It includes bungs for the factory MAP sensor and a 1/8" NPT accessory port.
Is tuning required?
Not to install, but strongly recommended for aftermarket turbo setups.
Years: 2017, 2018, 2019, 2020, 2021, 2022
Make: GMC, Chevrolet
Model: GMC Sierra 2500HD / 3500HD
Chevy Silverado 2500HD / 3500HD
Engine: 6.6L Duramax V8 Turbo Diesel (L5P)
Shipping Policy at Tuner Depot
At Tuner Depot, we understand the importance of timely delivery for your performance parts. We're committed to ensuring a seamless shipping experience, striving to dispatch your orders with utmost efficiency and speed.
Our Shipping Policy: Our aim is to dispatch all orders within two business days, providing you with a quick and efficient processing time. However, unforeseen circumstances beyond our control may occasionally impact shipping times.
Factors Affecting Shipping:
- Weather Conditions: Adverse weather conditions such as rain, snow, or sleet may affect delivery timelines. We will make every effort to minimize any delays.
- Holiday Periods: Please note that our shipping center will be closed during holidays. We will resume shipping promptly on the next business day. Allow for potential delays during peak seasons, but rest assured, we will keep you informed every step of the way.
- Staff Availability: Unforeseen circumstances can occasionally affect our staffing levels, possibly leading to minor delays. We are committed to swiftly resolving any issues to maintain our high standards of service.
We genuinely appreciate your understanding and patience during any unexpected obstacles. Be assured that we will utilize every resource available to deliver your performance parts promptly.
Items Eligible for Return
These items can be returned within 30 days of the purchase date, provided they are unopened, unused, and in their original packaging:
- Tuning devices – for example, an unopened/unused Mini Maxx V1/V2 or blank EFI Live Device
- Cables and device accessories – for example, an unopened/unused switch, bypass cable, universal pyrometer & docking station
Final Sale / Non-Refundable Items
The following items are final sale and cannot be returned:
- Custom tuning – including additional tune files purchased separately or custom tuning purchased with a device
- Exhausts and race pipes – this also includes downpipes purchased separately from an exhaust or race pipe
- EGR kits
Manufacturer Warranty
All items we sell include a 90-day manufacturer warranty.
If an item is being returned due to a manufacturer defect, it may be returned for a full refund, exchange, or replacement with a similar item of equal or lesser value.
For eligible items being returned for any other reason, the same options apply: full refund, exchange, or replacement with a similar item of equal or lesser value, provided the item meets the return requirements above.
Return Process
All returns must be approved by our team before being sent back. We will provide a valid RMA number and prepaid return label for the return.
Please do not send any items back without an approved RMA and the return label provided by us, as returns sent without these will not be accepted or processed.
Off-Road Use Only
These products are intended for off-road, race, and competition use only and may not be legal for use on public highways where emissions laws apply. Check your local and state regulations before purchase.
