Porsche 991.2 3.0 T/S/GTS - Rear Silencer
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Sale price
From £2,393.83
Regular price
£2,816.27
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Porsche 991.2 GT3 & GT3 RS - Rear Silencer Bypass
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Sale price
From £1,268.42
Regular price
£1,492.26
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BMW G87 M2 - Secondary Catalyst Bypass - Non Resonated
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Sale price
From £770.06
Regular price
£905.95
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BMW G87 M2 - Secondary Catalyst Bypass - Non Resonated to Milltek Axle Back Only
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Sale price
£716.00
Regular price
£842.35
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Ford Raptor 3.0 V6 - Active Valve Control
Regular price
Sale price
£296.77
Regular price
£349.14
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BMW G87 M2 - OPF/GPF Bypass Single Pipe 102mm - Non Resonated to Milltek Axle Back Only
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Sale price
£716.00
Regular price
£842.35
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BMW G87 M2 - GPF/OPF Bypass OPF/GPF Bypass Single Pipe 102mm - Non Resonated to OE Axle Back Only
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£731.44
Regular price
£860.52
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Mercedes AMG GT/GTS/GTC (Non GPF Models) - Cat Back (Valved)
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Sale price
£2,851.85
Regular price
£3,355.12
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Ford Mustang 5.0 V8 GT500 - Active Valved Cat Back (Loudest)
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From £2,435.01
Regular price
£2,864.72
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Ford Mustang 5.0 V8 GT500 - Active Valved Cat Back
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Sale price
From £2,454.89
Regular price
£2,888.11
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VW Arteon R 2.0 TSI 320ps (GPF Models) - OPF/GPF Back System
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From £2,550.04
Regular price
£3,000.05
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Ford Raptor 3.0 V6 - Valved Cat Back
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Sale price
From £1,997.27
Regular price
£2,349.73
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Audi S4 B9 Sport Diff without Brace Bars - Cat Back
Regular price
Sale price
From £2,281.22
Regular price
£2,683.79
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Seat Cupra Formentor 1.4TSI e Hybrid (GPF Models) - OPF/GPF Back System
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Sale price
£1,122.26
Regular price
£1,320.31
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Seat Cupra Formentor 1.4TSI e Hybrid (GPF Models) - OPF/GPF Back System - ECE Approved System
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Sale price
£1,276.72
Regular price
£1,502.02
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VW Tiguan R-Line 2.0 TSI (LWB Models Only) - Cat Back
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Sale price
£1,335.91
Regular price
£1,571.66
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Mini Cooper S F55 - Cat-Back
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Sale price
From £1,002.40
Regular price
£1,179.29
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Audi S8 D5 V8 (Long Wheel Base) - Cat-Back
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Sale price
From £4,300.06
Regular price
£5,058.89
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Porsche 992.1 Carrera S/GTS/Dakar - OPF/GPF Back System - Valved (Works
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Sale price
£2,206.46
Regular price
£2,595.84
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Ford Mustang 2.3 (S650 Fastback) - Valved Non-Resonated Cat-back
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From £2,620.07
Regular price
£3,082.43
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Ford Mustang 2.3 (S550/S650 Fastback) - Valved Resonated Cat-back
Regular price
Sale price
From £2,702.57
Regular price
£3,179.50
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Ford Mustang 5.0 V8 GT (S650 Fastback) - Active Valved Cat Back
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Sale price
From £2,352.70
Regular price
£2,767.88
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Ford Mustang 5.0 V8 Dark Horse/ Mach 1 - Active Valved Cat Back
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Sale price
From £2,431.03
Regular price
£2,860.04
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Porsche 718 GTS & Spyder Boxter/GT4 4.0 Cayman (GPF PDK Models) - Particulate Filter-Back
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Sale price
From £2,278.48
Regular price
£2,680.57
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Porsche 718 GTS & Spyder Boxter/GT4 4.0 Cayman (GPF PDK Models) - GPF/OPF Bypass
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Sale price
From £3,044.28
Regular price
£3,581.51
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Seat Leon Cupra 2.0 TSI 245ps (GPF Models) - Particulate Filter-back Race System (Loudest) 80mm
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Sale price
From £1,363.20
Regular price
£1,603.76
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Seat Cupra Formentor 2.0TSI 245ps (GPF Models) - System (Loudest) 80MM OPF/GPF Back System
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Sale price
From £1,363.20
Regular price
£1,603.76
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Seat Cupra Formentor 2.0TSI 245ps (GPF Models) - 80MM OPF/GPF Back System
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Sale price
From £1,351.72
Regular price
£1,590.26
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BMW G8X M3/M4 - OPF/GPF Back
Regular price
Sale price
From £2,588.69
Regular price
£3,045.52
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BMW G87 M2 - Non Resonated Cat-Back
Regular price
Sale price
From £3,037.92
Regular price
£3,574.02
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BMW G87 M2 - Secondary Catalyst Bypass - to OE Axle Back Only
Regular price
Sale price
£923.40
Regular price
£1,086.35
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BMW G87 M2 - GPF/OPF Bypass - Non Resonated to OE Axle Back Only
Regular price
Sale price
£708.73
Regular price
£833.80
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BMW G87 M2 - (Loudest) Cat-Back
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Sale price
From £3,020.73
Regular price
£3,553.80
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BMW G87 M2 - OPF/GPF Back
Regular price
Sale price
From £2,530.45
Regular price
£2,977.00
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BMW G87 M2 - Centre Resonator Back System
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Sale price
From £2,416.84
Regular price
£2,843.34
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Seat Leon Cupra 2.0 TSI 245ps (GPF Models) - Particulate Filter-back System
Regular price
Sale price
From £1,351.72
Regular price
£1,590.26
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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.
Why Shop With Fity9 Performance?
A range of performance parts to match your lifestyle and needs.
Shop with an expert, right from home
Get personalized advice via call, chat, or video anytime.
Fast and convenient door to door delivery
Get your order delivered straight to your doorstep
Enjoy hassle-free returns & exchanges
Try without worry—return or exchange from
