The Radius Fabrications GU Airbox is purpose-built to suit engine-converted GU Patrols, offering a high-performance solution for upgraded motors that require increased airflow and durability. Crafted from high-quality stainless steel, this airbox provides a clean, professional finish while maintaining functionality for a variety of popular conversion setups.
This airbox is designed with 4” inlet and outlet ports and includes a Ryco high-flow panelfilter. It does not include piping from the airbox to the turbo, allowing flexibility for custom configurations during engine conversions.
Compatible Engine Conversions
This airbox suits the following engine conversions:
LS1
LS2
LS3
6BT
If your vehicle is fitted with a dual battery system, this airbox will not fit without modification. Radius Fab recommends purchasing our Pod Airbox or relocating thesecondary battery for clearance.
Key Features
Designed for LS1 / LS2 / LS3 / 6BT conversions
4” inlet and outlet ports (non-customisable)
Supplied with a Ryco high-flow panel filter
Fully constructed tig weld Ally Airbox
Retains a clean, factory-style appearance
Includes mounting brackets
Made in Australia by Radius Fabrications
Kit Includes
1 x Radius Fabrications GU Airbox (4” inlet & outlet)
1 x Ryco High-Flow Panel Filter
1 x Mounting Bracket Kit
1 x Radius Fab Branding Plate
Installation Instruction Sheet
(Please note: Piping from the airbox to the turbo is not included and must be custom fabricated or sourced separately.)
Fitment Notes
Not suitable for dual battery setups unless the secondary battery is relocated
May require minor adjustment depending on the conversion and snorkel used
Timeframes
All Radius Fabrications airboxes are made to order. Visit our website for the most current information on delivery times and availability.
FAQ – GU Airbox (LS Converted)
Q: What engines will this airbox fit? A: This model is designed for LS1, LS2, LS3, and 6BT engine conversions fitted to GU Patrols.
Q: Does it come with piping from the airbox to the turbo? A: No, this kit includes the airbox and filter only. Custom piping will be required depending on your setup.
Q: Can I use this with a dual battery setup? A: Not without modification. We recommend purchasing our Pod Airbox or relocating your secondary battery to ensure proper fitment.
Q: What size are the inlet and outlet ports? A: Both are 4 inches in diameter. These cannot be customised.
Q: Does this include a filter? A: Yes, a Ryco high-flow panel filter is supplied with every unit.
Q: Is this compatible with the Safari snorkel? A: Yes, it can align with the Safari snorkel, but depending on your engine conversion and piping setup, minor trimming or adjustment may be required for optimal fitment.
Q: Do you offer powder coating or polishing options? A: Yes, our airboxes are available in either apolished stainless finish or powder-coatedblack upon request.
Radius Fabrications operates with a made-to-order policy, resulting in wait times for all products. If you require information on current wait times, please contact us. Additionally, we kindly request that you make your selections carefully, as Radius Fabrications does not offer refunds/exchange for changes of mind or incorrect selection. We prioritize delivering top-notch, custom-made products to our customers and have therefore instituted a strict "No Change of Mind" refund policy in line with the nature of our business. Shipping costs are subject to change, and additional charges may apply at the time of dispatch based on updated courier rates. Please note that international tariffs if applicable are on the customer to cover depending on the country.