K&N Performance Air Intake System - Subaru WRX 2.0L Turbo, 2018-2020 (69-8011TTK)
Regular price
£366.66
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K&N Replacement Air Filter - Porsche 911 3.8L, Turbo, 2014-2019 (33-5137)
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£87.49
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K&N Replacement Air Filter - Honda Civic Type-R 2.0L Turbo, 2017-2021 (33-5070)
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£56.66
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K&N Replacement Air Filter - Audi R8 4.2L, 2008-2015 (2 Per Box) (E-0668)
Regular price
£374.99
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K&N Performance Air Intake System - Charge Pipe Kit, Toyota Gr Corolla 1.6L, 2023 (77-1018TWR)
Regular price
£262.49
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K&N Replacement Air Filter - Porsche 911 3.0L, 2019-2026 (2 Per Box) (33-3153)
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£112.49
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K&N Replacement Air Filter - Audi Rs6/7 4.0L, 2013-2018 (E-0664)
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£65.83
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K&N Replacement Air Filter - Mercedes Benz A45 AMG 2.0L, Turbo-2020-2026 (E-0638)
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£65.83
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K&N Replacement Air Filter - Porsche Macan 3.6L, 2015-2026 (E-0660)
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£87.49
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K&N Performance Air Intake System - Charge Pipe Kit, Subaru WRX 2.4L, 2022 (77-1017KC)
Regular price
£316.66
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K&N Replacement Air Filter - Audi R8 V10-5.2L, 2009-2015 (2 Per Box) (E-0669)
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£374.99
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K&N Performance Air Intake System - Aircharger, Toyota Gr Supra 3.0L, 2020-2024 (63-9044)
Regular price
£524.99
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K&N Performance Air Intake System - Subaru Impreza WRX-STI 2.5L, 2008-2014 (69-8005TWR)
Regular price
£420.83
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K&N Replacement Air Filter - Subaru Brz 2.0L, 2017-2026 (33-5060)
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£56.66
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K&N Replacement Air Filter - Nissan Z 3.0L, 2023-2026 (2 Per Box) (33-5135)
Regular price
£124.99
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K&N Performance Air Intake System - Ford Focus Rs 2.3L, 2016-2018 (69-3539TB)
Regular price
£366.66
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K&N Replacement Air Filter - Mercedes Benz C63 AMG 2.0L, 2022-2025 (E-0632)
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£87.49
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K&N Performance Air Intake System - BMW M5 V10-5.0L, 2005-2008 (Flat Black) (69-2003TFK)
Regular price
£629.16
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K&N Replacement Air Filter - Mercedes Cla45 AMG 2.0L, 2014-2019 (E-0661)
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£65.83
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K&N Performance Air Intake System - Toyota Gr Corolla 1.6L, 2023-2024 (69-8625TWR)
Regular price
£420.83
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K&N Performance Air Intake System - Aircharger, BMW M3 4.0L, 2008-2013 (63-1116)
Regular price
£366.66
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K&N Replacement Air Filter - BMW M5 4.4L Turbo, 2018-2026 (Two Per Box) (33-3128)
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£112.49
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K&N Performance Air Intake System - Ford Fiesta St 1.5L, 2018-2020 (57-0695)
Regular price
£129.16
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K&N Performance Air Intake System - Ford Focus Ii Rs (57S-4000)
Regular price
£191.66
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K&N Performance Air Intake System - Subaru Impreza WRX, H4 2.5L, 2008-2014 (69-8004TTK)
Regular price
£366.66
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K&N Replacement Air Filter - Mercedes Benz E63 AMG 4.0L, 2017-2026 (2 Per Box) (33-3140)
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£112.49
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K&N Replacement Air Filter - Porsche Boxster 3.4L, 2006-2012 (E-2295)
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£65.83
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K&N Replacement Air Filter - Porsche 718 Boxster 2.0L, 2016-2025 (33-3078)
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£60.83
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K&N Replacement Air Filter - Mercedes Benz AMG Gt-S 4.0L, 2016-2021 (33-5039)
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£56.66
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K&N Performance Air Intake System - Honda Civic Type R 2.0L, 2023 (69-1511TWR)
Regular price
£420.83
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K&N Performance Air Intake System - Aircharger, Aircharger, Toyota Gr Supra 2.0L, 2020-2024 (63-9045)
Regular price
£524.99
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K&N Performance Air Intake System - Volkswagen Golf R 2.0L Turbo, 2022-2023 (69-9510TC)
Regular price
£420.83
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K&N Performance Air Intake System - Subaru WRX STI 2.0/2.5L (Wrinkle Red) (69-8001TWR)
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£420.83
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K&N Performance Air Intake System - Ford Fiesta St 1.6L, 2013-2017 (57-0690)
Regular price
£199.99
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K&N Performance Air Intake System - Nissan/Infiniti 370Z/G37 3.7L, 2009-2019- Silver (69-7078TS)
Regular price
£508.33
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K&N Performance Air Intake System - Ford Focus St 2.0L, 2013-2018 (69-3518TS)
Regular price
£404.16
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Induction
More air. More power. More sound.
Upgrading your intake system is one of the easiest ways to improve airflow and unleash more performance from your engine. A quality induction kit can sharpen throttle response while delivering the addictive turbo and intake sounds enthusiasts love.
At Fifty9 Performance, we supply premium induction kits and intake upgrades in the UK from trusted aftermarket brands designed to improve airflow and engine efficiency.
- Induction Kits - high flow intake systems for improved performance
- Panel Filters - performance drop-in filters for increased airflow
- Turbo Inlets - improve airflow into the turbocharger
- Intake Pipes - smoother airflow and improved intake efficiency
If you are looking for performance induction kits, intake upgrades, turbo inlets or performance air filters, explore our range and let your engine breathe properly.

