Description
Unlock the full potential of your Audi A4 (B9) with the Forge Motorsport Induction Kit, engineered and manufactured entirely in the UK to deliver unmatched performance and quality. Designed to replace the restrictive OEM airbox, this kit dramatically improves throttle response, induction noise, and airflow — all while enhancing the visual appeal of your engine bay.
Performance & Quality That Speaks for Itself
Extensive Forge dyno testing on our own Audi A4 B9 has shown an impressive 11 BHP gain and 9 ft-lbs of torque increase without any ECU tuning. When paired with a professional remap, the benefits multiply as the engine fully capitalizes on the improved airflow and reduced intake restriction.
This kit features a premium Pipercross high-flow filter (please note the filter is excluded from the Forge lifetime warranty) paired with custom fabricated CNC laser-cut aluminium sheet metal parts finished in durable satin black powder coat. The intake is sealed with marine-grade stainless steel clamps and uses a specially engineered 4-ply silicone hose designed to outperform and outlast the OEM parts.
Engineered in the UK
Developed at Forge Motorsport’s R&D facility in Gloucester, UK, the kit is supplied with everything required for a straightforward DIY installation—no cutting or modifications to OEM parts are necessary. Full installation instructions are included.
Important Note:
This induction kit does NOT fit the Audi A4 (B9) 2.0L Ultra, 190hp model.
Compatible Vehicles:
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Audi A4 2.0 (Base) — 2017 to 2024
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Audi A4 2.0 (Premium) — 2017 to 2020
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Audi A4 2.0 (Premium Plus) — 2017 to 2020
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Audi A4 2.0 (Prestige) — 2017 to 2020
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Audi A4 2.0 (S Line) — 2017 to 2018, 2020 to 2024
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Audi A4 Quattro 2.0 (Base) — 2017 to 2024
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Audi A4 Quattro 2.0 (Premium) — 2017 to 2024
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Audi A4 Quattro 2.0 (Premium Plus) — 2017 to 2024
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Audi A4 Quattro 2.0 (Prestige) — 2017 to 2024
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Audi A4 Quattro 2.0 (S Line) — 2017 to 2019, 2021
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Audi A5 2.0 (Base) — 2018 to 2019, 2021 to 2024
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Audi A5 2.0 (S Line) — 2018 to 2019, 2021 to 2024
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Audi A5 Quattro 2.0 (Base) — 2018 to 2024
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Audi A5 Quattro 2.0 (Premium) — 2018 to 2024
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Audi A5 Quattro 2.0 (Premium Plus) — 2018 to 2024
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Audi A5 Quattro 2.0 (S Line) — 2018 to 2019, 2021 to 2024
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Audi A5 Sportback 2.0 (Base) — 2018 to 2024
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Audi A5 Sportback 2.0 (Premium) — 2018 to 2024
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Audi A5 Sportback 2.0 (Premium Plus) — 2018 to 2024
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Audi A5 Sportback 2.0 (Prestige) — 2018 to 2024
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Audi A5 Sportback 2.0 (S Line) — 2019, 2021 to 2024
