• 6061-T6 Billet Aluminum EFR Specific Drain Flange
• High-Temp Reinforced NBR Oil Drain Hose
• Interface N-8092 Non-Asbestos Gasket
• Engine Block Return Adapter
• Full Hardware Kit: Stainless Steel Clamps & Mounting Bolts
Mazdaspeed 3 / 6 & CX-7 Turbo Oil Drain Hose Kit | BorgWarner EFR 6258 6758 7163
Mazdaspeed 3 / 6 & CX-7 Turbo Oil Drain Hose Kit | BorgWarner EFR 6258 6758 7163
Regular price
$105.03 USD
Regular price
$0.00 USD
Sale price
$105.03 USD
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JUNE HOLIDAY SHIPPING UPDATE
Please be advised that June 17 is our final shipping date before the upcoming national holiday break.
June 17
Last Dispatch
June 18-21
No Shipping
June 22
Regular Resumes
Technical support remains active during the holiday period.

Technical Description
High-volume oil evacuation for smoke-free EFR performance. BorgWarner EFR turbochargers move a significant volume of oil to maintain the stability of their bearing cartridges. To prevent back-pressure and seal failure in the 2.3L DISI engine bay, an unrestricted return path to the oil pan is critical. This kit provides the specific EFR-pattern billet hardware and high-temp plumbing needed for a leak-free, rapid-flow return circuit.
- EFR Specific Geometry: CNC-machined 6061-T6 billet aluminum flange ensures a perfectly flat, leak-free interface tailored for the EFR drain port.
- Maximum Evacuation Architecture: 3/4" internal diameter handles the high oil volume of EFR builds, preventing the back-pressure that causes "Blue Smoke."
- Industrial NBR Construction: Reinforced oil-resistant hose remains flexible under extreme thermal cycles and absorbs high-frequency 2.3L vibrations.
- CNC-Machined Sealing Integrity: Precision mounting surface paired with Interface N-8092 gaskets provides a permanent, professional-grade seal.
Technical Installation Note
Hardware Compatibility: This kit with thick-profile engine-side drain flange. To ensure a proper installation, an extended engine mount bolts are included to replace the shorter factory hardware.
Specifications & Data
Kit Included
Vehicle Compatibility
Turbo Compatibility
Product Specifications
Support & Logistics
Shipping & Global Export
Proudly exported to 75+ countries. All orders are dispatched via DHL Express, FedEx, or EMS from our Taiwan hub.
- AU / USA: 3-5 Business Days.
- Rest of World: 5-12 Business Days.
- Tracking: End-to-end tracking number provided within 48H.
Import Duties & Taxes
We’ve optimized our tax process for core markets to ensure zero hidden fees:
USA MARKET
All-inclusive pricing. No hidden duties or extra fees at delivery.
AUSTRALIA
Orders under AUD 1,000 are typically tax-free. No GST surprises.
*Other Countries: All import duties and carrier processing fees are the buyer's responsibility.
30-Day Returns & Warranty
30-Day Returns: Return or exchange within 30 days of delivery. (Shipping at buyer's expense).
Limited Lifetime Warranty: Covers manufacturing defects. (Excludes racing misuse).
GryphonTek Engineering — Precision Fitment. Global Delivery.