HD Automotive High Flow Airbox suitable for Toyota Landcruiser HDJ70 HZJ70 Series
The stock airbox on the HDJ70 and HZJ70 becomes a restriction point beyond 200HP or 20psi of boost. The HD Automotive airbox is built for CT26-based turbo upgrades on the 1HD-FTE and turbocharged 1HZ, with a 4″ inlet and outlet, CNC laser cut construction, and a 9″ tapered off-road paper pod filter. Direct fit, no relocation required, suits builds up to 400HP.
⚙️ Why This Airbox:
- 4″ inlet and outlet for unrestricted airflow at elevated power levels
- CNC laser cut components including 10mm laser etched acrylic lid with 2mm stainless steel clamping flange
- 9″ tapered off-road paper pod filter suited to on and off-road conditions
- Water collection sump with one-way duck bill valve drains water automatically
- AN10 push-lock breather for crank case ventilation
🔧 Fitment Details:
- Direct fit, no relocation of existing components required
- Required beyond 200HP or 20psi boost; suitable up to 400HP
- Silicone supplied at full length; some trimming may be required to fit
- Specify your turbocharger at checkout so correct silicone adaptors can be supplied
- Does not suit the factory CT20B on HDJ70 Series
- HZJ owners running Denco, DTS, Safari, or other older non-CT26 kits should carefully review fitment before ordering
📦 What’s Included:
- 1x HD Automotive HDJ70/HZJ70 airbox with 9″ off-road paper pod filter
- Silicone adaptors to suit chosen turbocharger
- Crank case breather hose
- Duck bill drain valve
- Mounting hardware
🚗 Suitable for:
- Toyota Landcruiser HDJ76 / HDJ78 / HDJ79 1HD-FTE with CT26-based turbo upgrade (Gturbo, UFI, Arashi, etc.)
- Toyota Landcruiser HZJ75 / HZJ78 / HZJ79 1HZ with CT26-based turbo kit
- Suits 4″ Safari Armax or 4″ stainless steel snorkel
- Does NOT suit the factory CT20B turbocharger on HDJ70 Series
- May not suit Denco, DTS, Safari, and other older style 1HZ kits not using a CT26 turbocharger
📦 Dispatch Information:
We aim to keep this airbox in stock. At times there is a 2 to 4 week lead time. Contact us to confirm current availability before ordering.
❓ FAQs:
Q: Will this suit the factory CT20B turbo on my HDJ79?
A: No. This airbox is designed for aftermarket CT26-based turbo upgrades. It does not suit the factory CT20B turbocharger.
Q: I have an older 1HZ turbo kit. Will this fit?
A: It may not suit Denco, DTS, Safari, and other older kits not using a CT26 turbocharger. Review the product photos carefully and contact us before ordering if you are unsure.
Q: Do I need to specify my turbocharger when ordering?
A: Yes. Specify your turbocharger at checkout so the correct silicone adaptors can be included with your kit.
Great service and was a pleasure to do business there.
Fantastic end to end support and communication.
Again, absolutely fantastic would reccomend to anyone.
Very helpful and quick service
Great service, great product and fast postage. Perfect.
Fantastic customer support, product knowledge and super friendly and helpful team.
Don’t go anything else these are mint I have two cars in the shed with them. There fucking hot
I’m running the hd auto box, goes hard
Best airbox on the market by a mile, no rubbing anywhere, no relocating fuel filters etc, and not 10 bits of silicone like the other ones out there