K&N Performance Air Intake System - Ford Focus Rs 2.3L, 2016-2018 (69-3539TB)
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K&N Replacement Air Filter - Mercedes Benz C63 AMG 2.0L, 2022-2025 (E-0632)
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K&N Performance Air Intake System - BMW M5 V10-5.0L, 2005-2008 (Flat Black) (69-2003TFK)
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K&N Replacement Air Filter - Mercedes Cla45 AMG 2.0L, 2014-2019 (E-0661)
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K&N Performance Air Intake System - Toyota Gr Corolla 1.6L, 2023-2024 (69-8625TWR)
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K&N Performance Air Intake System - Aircharger, BMW M3 4.0L, 2008-2013 (63-1116)
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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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K&N Performance Air Intake System - Ford Fiesta St 1.5L, 2018-2020 (57-0695)
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K&N Performance Air Intake System - Ford Focus Ii Rs (57S-4000)
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K&N Performance Air Intake System - Subaru Impreza WRX, H4 2.5L, 2008-2014 (69-8004TTK)
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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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K&N Replacement Air Filter - Porsche Boxster 3.4L, 2006-2012 (E-2295)
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K&N Replacement Air Filter - Porsche 718 Boxster 2.0L, 2016-2025 (33-3078)
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K&N Replacement Air Filter - Mercedes Benz AMG Gt-S 4.0L, 2016-2021 (33-5039)
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K&N Performance Air Intake System - Honda Civic Type R 2.0L, 2023 (69-1511TWR)
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K&N Performance Air Intake System - Volkswagen Golf R 2.0L Turbo, 2022-2023 (69-9510TC)
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K&N Performance Air Intake System - Aircharger, Aircharger, Toyota Gr Supra 2.0L, 2020-2024 (63-9045)
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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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K&N Performance Air Intake System - Ford Fiesta St 1.6L, 2013-2017 (57-0690)
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K&N Performance Air Intake System - Nissan/Infiniti 370Z/G37 3.7L, 2009-2019- Silver (69-7078TS)
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K&N Performance Air Intake System - Ford Focus St 2.0L, 2013-2018 (69-3518TS)
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K&N Performance Air Intake System - Subaru WRX 2.4L Turbo, 2022-2023 (69-8012TC)
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K&N Performance Air Intake System - Subaru WRX STI 2.5L, 2018-2020 (69-8009TWR)
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K&N Replacement Air Filter - Audi Rs5 4.2L, 2013-2015 (Right) (33-3032)
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K&N Replacement Air Filter - Audi Rs5 4.2L, 2013-2015 (Left) (33-3031)
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K&N Replacement Air Filter - Volkswagen Jetta/Passat 2005-2010, Tiguan 2007-2010, GTI 2009-2010, Eos 2006-2009 (33-2865)
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K&N Replacement Air Filter - BMW M5 4.4L, 2011-2017 (2 Per Box) (33-2488)
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K&N Replacement Air Filter - Porsche 911 3.4L, 2012-2014 (2 Per Box) (33-2484)
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K&N Replacement Air Filter - BMW X5M/X6M 4.4L, 2009-2014 (2 Per Box) (33-2449)
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K&N Replacement Air Filter - Nissan Gt-R 3.8L, 2009-2017 (2 Per Box) (33-2413)
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K&N Replacement Air Filter - BMW M5 V10-5.0L, 2005-2010 (Left) (33-2352)
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K&N Replacement Air Filter - BMW M5 V10-5.0L, 2005-2010 (Right) (33-2350)
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K&N Replacement Air Filter - Toyota Gt86/Subaru Brz 2.0L, 2012-2020 (33-2300)
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K&N Replacement Air Filter - Audi A4/Rs4/S4 2001-2009, Seat Exeo 2009-2010 (33-2209)
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Funk Motorsport Black Heat Shrink
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Funk Motorsport Wire Protection Sleeving (HT Leads and more)
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Performance
Built for cars that deserve more than standard.
At Fifty9 Performance, our Performance collection is packed with upgrades designed to improve power, response, sound and overall driving feel. Whether you are building a fast road car or upgrading a weekend toy, this is where you will find the parts that make a real difference.
We supply quality performance car parts in the UK for a wide range of builds, with carefully selected products from trusted aftermarket brands. From simple bolt-on upgrades to more serious supporting mods, our range is built for enthusiasts who want more from their car.
- Exhausts - performance exhaust systems, sports cats, downpipes and hardware
- Induction - induction kits, intake upgrades, filters and air flow parts
- Cooling - intercoolers, radiators, oil cooling and charge pipe upgrades
- Tuning - tuning accessories, ECU related upgrades and performance electronics
- Turbos - turbochargers, supporting hardware and forced induction upgrades
- Engine Components - supporting engine upgrades for performance and reliability
- Drivetrain - clutches, flywheels and drivetrain parts to handle added power
If you are looking for performance parts, tuning parts, induction kits, exhaust upgrades, cooling upgrades, turbo parts or drivetrain upgrades, you are in the right place.
Explore the Fifty9 Performance collection and start building a car that feels anything but factory.

