BMW X3 G01 S58 Pre LCI (GPF Equipped) - Downpipe Back Exhaust System
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From £3,563.35
Regular price
£4,192.18
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BMW X3 G01/X4 G02 S58 - OPF/GPF Back System
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From £3,132.56
Regular price
£3,685.37
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Ford Fiesta MK8 1.0T ST Line (GPF Models) Dual Outlets - GPF/OPF Back
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From £828.68
Regular price
£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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Sale price
£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 F91/92/93 (GPF Equipped) - OPF/GPF Back System
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From £2,687.81
Regular price
£3,162.13
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Audi TTRS MK3 Quattro - 80mm Non-Resonated Cat-Back Exhaust System
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Sale price
£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
Regular price
£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 - 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
Regular price
£2,895.25
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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
Regular price
Sale price
£4,461.32
Regular price
£5,248.61
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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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Porsche 718 GTS & Spyder Boxster/GT4 4.0 Cayman (GPF Pre Feb 2020 Models) - GPF/OPF Bypass
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From £2,944.99
Regular price
£3,464.70
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VW Arteon 2.0 TSI - Non Resonated Valved Cat Back Exhaust System
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Sale price
£1,541.80
Regular price
£1,813.88
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VW Arteon 2.0 TSI - Semi-Resonated Valved Cat Back Exhaust System (Road+ System)
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£1,679.70
Regular price
£1,976.12
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VW Arteon 2.0 TSI - Valved Cat Back Exhaust System (ECE Approval Awaiting Testing)
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Sale price
£1,674.19
Regular price
£1,969.64
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Porsche 718 GTS 2.5T (Boxter/Cayman) - Full System (Including De Cat)
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Sale price
£1,847.33
Regular price
£2,173.33
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Porsche 718 GTS 2.5T (Boxter/Cayman) - Full System
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Sale price
From £1,847.33
Regular price
£2,173.33
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Exhaust Systems
More sound. More flow. More character.
Upgrading your exhaust system is one of the best ways to transform how your car feels and sounds. A performance exhaust improves exhaust flow, reduces restriction and delivers a deeper, more aggressive tone.
At Fifty9 Performance, we supply high quality performance exhaust systems in the UK designed to improve sound, response and overall driving enjoyment.
- Catback Exhaust Systems - improved sound and exhaust flow
- Valved Exhaust Systems - control sound with adjustable valves
- Performance Mufflers - reduce restriction and enhance tone
- Full Exhaust Systems - complete upgrades for maximum performance
If you are looking for performance exhaust systems, catback exhausts or valved exhaust upgrades, explore our range and transform the sound of your car.

