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do88 Cold Air Intake System with OE Turbo Inlet Pipe - Toyota GR Supra (A90) / BMW Z4 M40i (G29) 2018-2026

do88 SKU: DOBLF-230-INL-OE
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This is do88's fully sealed intake system for the B58 Gen 2 supplied with the CNC-machined do88 turbo inlet for the original turbocharger. A 7 inch sealed airbox with its own heat shield and a secondary air feed keeps intake air temperatures down next to the exhaust manifold, and a carbon intake tube starts at 105mm (4.1 in) before tapering into the turbo inlet. The turbo inlet adds an 89mm (3.5 in) hose connection with a flow optimised radius that removes the last restriction ahead of the compressor. On do88's SuperFlow SF1020 flow bench the intake alone measures 15% more airflow, rising to 23% with this turbo inlet fitted. The densely knitted cotton gauze filter is washable and reusable, and the system omits the two factory sound silencers so turbo spool is audible.

Specifications

Type Sealed cold air intake system with CNC-machined turbo inlet
Filter Media Densely knitted cotton gauze, washable and reusable
Intake Tube Carbon fibre, 105mm (4.1 in) tapering to the turbo inlet
Airbox Fully enclosed 7 in airbox with heat shield and secondary air feed
Turbo Inlet CNC-machined, 89mm (3.5 in) hose connection, for OE turbocharger
Airflow Increase 23% over OE (do88 SuperFlow SF1020 flow bench)
Tune Required Custom tune recommended; the do88 turbo inlet has no crankcase heating element, so that connector is left disconnected
Quantity 1
OEM Replacement 13718662589, 13718635102, 13718656983, 11618689501, 17700-WAA02, 17801-WAA01, 17881-WAA02, 17274-WAA01
Part Number LF-230-INL-OE

Documents: Installation Instructions (PDF)

This part fits:

Year Make Model Submodel
2020 Toyota GR Supra 3.0 (A90/A91)
2021 Toyota GR Supra 3.0 (A90/A91)
2022 Toyota GR Supra 3.0 (A90/A91)
2023 Toyota GR Supra 3.0 (A90/A91)
2024 Toyota GR Supra 3.0 (A90/A91)
2025 Toyota GR Supra 3.0 (A90/A91)
2026 Toyota GR Supra 3.0 (A90/A91)
2018 BMW Z4 M40i (G29)
2019 BMW Z4 M40i (G29)
2020 BMW Z4 M40i (G29)
2021 BMW Z4 M40i (G29)
2022 BMW Z4 M40i (G29)
2023 BMW Z4 M40i (G29)
2024 BMW Z4 M40i (G29)
2025 BMW Z4 M40i (G29)
2026 BMW Z4 M40i (G29)

Shipping

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Returns

  • 30-day returns on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
  • Installed or used parts cannot be returned. Confirm fitment before you install.
  • Special orders and custom items are final sale.
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Full details: Shipping Policy · Refund Policy
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