Ford Fiesta MK8 1.0T ST Line (GPF Models) Dual Outlets - GPF/OPF Back
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From £828.68
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£974.92
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Ford Fiesta MK8 1.0T ST Line (GPF Models) - GPF/OPF Back
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From £396.59
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£466.58
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Ford Fiesta MK8 1.0T ST Line (Dual Outlets) - GPF/OPF Back Resonated
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From £941.72
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£1,107.90
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Ford Fiesta MK8 1.0T ST Line (Dual Outlets) - GPF/OPF Back Non-Resonated
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From £728.70
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£857.30
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Ford Fiesta MK8 1.0T ST Line (Dual Outlets) - Upgrade Kits for Existing Milltek Cat Back Systems
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£602.23
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£708.50
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Ford Fiesta MK8 1.0T ST Line (Dual Outlets) - Upgrade Kit for Existing Milltek Cat Back Systems
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From £544.84
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£640.99
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Ford Fiesta MK8 1.0T ST Line (Non GPF Models) Dual Outlets - Dual Outlet Exhaust System Brushed Titanium GT-100 Trims (Requires Maxton Diffuser)
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£1,362.38
Regular price
£1,602.80
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Ford Fiesta MK8 1.0T ST Line (Non GPF Models) Dual Outlets - Dual Outlet Exhaust System
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From £915.33
Regular price
£1,076.86
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Ford Fiesta MK8 1.0T ST Line (Non GPF Models) Dual Outlets - Non Resonated Dual Outlet Exhaust System
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From £857.94
Regular price
£1,009.34
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BMW M8 F91/F92 (GPF Equipped) - GPF/OPF Bypass (For Milltek Particulate Filter Back and OE Downpipes)
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£1,256.63
Regular price
£1,478.39
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BMW M8 F91/F92 (GPF Equipped) - GPF/OPF Bypass (For OE Particulate Filter Back and OE Downpipes)
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£1,347.98
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£1,585.86
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BMW M8 F91/92/93 (GPF Equipped) - OPF/GPF Back System
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From £2,687.81
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£3,162.13
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Audi TTRS MK3 Quattro - 80mm Non-Resonated Cat-Back Exhaust System
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£2,070.41
Regular price
£2,435.78
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Audi TTRS MK3 Quattro - 80mm Non-Resonated (Loudest) Cat-Back Exhaust System
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£2,157.30
Regular price
£2,538.00
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Audi TTRS MK3 Quattro - 80mm Resonated Cat-Back Exhaust System
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From £2,297.69
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£2,703.16
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BMW M5 F90 (GPF Equipped) - Cat Back Exhaust System
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From £3,664.40
Regular price
£4,311.06
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BMW M5 F90 - GPF/OPF Bypass
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£1,360.07
Regular price
£1,600.08
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BMW M5 F90 - OPF/GPF Back System
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From £2,395.68
Regular price
£2,818.45
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BMW G8X M3/M4 - Axle Back Exhaust System
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Sale price
£2,960.52
Regular price
£3,482.96
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BMW G8X M3/M4 - Axle Back System
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From £2,460.96
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£2,895.25
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Audi R8 V10 5.2 Gen 2 (2020+) - GPF/OPF Bypass
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Sale price
£1,875.49
Regular price
£2,206.46
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Audi R8 V10 5.2 Gen 2 (2020+) - OPF/GPF Back Exhaust System - Uses OE Trims
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Sale price
£2,200.95
Regular price
£2,589.35
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Skoda Octavia vRS 2.0 TSI 245ps - Non Resonated OPF/GPF Back System - Fits to OE Trims
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Sale price
£1,027.80
Regular price
£1,209.18
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Skoda Octavia vRS 2.0 TSI 245ps - OPF/GPF Back System - Fits to OE Trims
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£1,301.26
Regular price
£1,530.89
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Porsche 992.1 Carrera S/GTS/Dakar - Milltek Signature Series Cat Back Exhaust System - Titanium Construction
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£2,956.67
Regular price
£3,478.43
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Cupra Formentor 2.0TFSI 4Drive 310PS (MQB EVO EA888.4 OPF/GPF Vehicles) - Non Resonated GPF/OPF Back System
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From £1,792.08
Regular price
£2,108.33
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Cupra Formentor 2.0TFSI 4Drive 310PS (MQB EVO EA888.4 OPF/GPF Vehicles) - GPF/OPF Back System
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From £1,928.78
Regular price
£2,269.15
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Audi RSQ8 - Cat-Back Exhaust System - Uses OE Trims - No Cutting Required
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Sale price
£4,461.32
Regular price
£5,248.61
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Large Bore Downpipes and Hi-Flow Sports Cat (Audi RSQ8/SQ8/SQ7)
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Sale price
£3,904.68
Regular price
£4,593.74
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Large Bore Downpipes and De Cat (Audi RSQ8/SQ8/SQ7)
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Sale price
£2,439.59
Regular price
£2,870.11
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Large Bore Downpipe & Hi Flow Race Cat - For Milltek Cat Back (Golf Mk8 R/Audi S3 8Y)
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Sale price
£879.72
Regular price
£1,034.96
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Large Bore Downpipe & Hi Flow Sports Cat - For Milltek Cat Back (Golf Mk8 R/Audi S3 8Y)
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£1,173.83
Regular price
£1,380.98
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VW Golf R MK8/MK8.5 - 80MM Resonated OPF Back Exhaust System
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From £1,993.30
Regular price
£2,345.06
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VW Golf R MK8/MK8.5 - 80MM Non-Resonated OPF Back Exhaust System
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From £1,850.54
Regular price
£2,177.11
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Porsche 718 GT4 4.0 Cayman (GPF Pre Feb 2020 Models) - Particulate Filter-back
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Sale price
£2,315.90
Regular price
£2,724.59
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Porsche 718 GTS & Spyder Boxster/GT4 4.0 Cayman (GPF Pre Feb 2020 Models) - Particulate Filter-back
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From £2,179.20
Regular price
£2,563.76
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Exhausts
More sound. More flow. More character.
The right exhaust upgrade can completely transform how a car feels. From sharper throttle response to a deeper, more aggressive sound, performance exhaust components are one of the most popular upgrades for enthusiasts.
At Fifty9 Performance, we supply high quality performance exhaust parts in the UK designed to improve exhaust flow, unlock power and give your car the sound it deserves.
- Catback Exhaust Systems - improve sound, flow and overall performance
- Downpipes - reduce restriction and support higher power levels
- Sports Cats - performance catalytic converters for improved flow
- Exhaust Hardware - clamps, gaskets and installation components
If you are looking for performance exhaust systems, sports cats, downpipes or exhaust upgrades, explore our range and take your car’s sound and performance to the next level.
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
