Audi RS3 8V - 80MM Non-Resonated Cat-Back Exhaust System
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From £2,216.24
Regular price
£2,607.34
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Audi RS3 8V - 80MM Resonated Cat-Back Exhaust System
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From £2,458.95
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£2,892.88
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Mercedes G63 W463 (ROW Non GPF Models) - Valved Cat-Back Exhaust System
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From £3,028.83
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£3,563.33
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Audi RS3 8V Facelift - 80MM Non-Resonated Cat-Back Exhaust System
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From £2,087.74
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£2,456.16
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Audi RS3 8V Facelift - 80MM Resonated Cat-Back Exhaust System
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From £2,330.44
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£2,741.70
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BMW F87 M2 Comp - Equal Length GPF/OPF Back Exhaust System
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From £2,295.73
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£2,700.86
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BMW F87 M2 Comp - Equal Length GPF/OPF Back Exhaust System (Loudest)
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From £2,134.90
Regular price
£2,511.65
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VW Polo GTI 2.0 TSI (AW - 5 Door/Non GPF Models) - Cat-Back Exhaust System
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From £706.03
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£830.62
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Mini Cooper S F55 (LCI Only) - GPF Bypass - Non Resonated Cat-Back Exhaust System
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From £1,038.30
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£1,221.53
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Mini Cooper S F55 (LCI Only) - GPF/OPF Back Exhaust System
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Sale price
From £978.27
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£1,150.90
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Audi RS6/RS7 C8 - Non Resonated Cat Back System (Twin 80mm)
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From £4,106.58
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£4,831.27
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Audi RS6/RS7 C8 - Front Silencer Back System (Twin 80mm)
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From £3,671.43
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£4,319.33
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Seat Leon Cupra MK4 ST 310 & ST Cupra 300 - Cat-Back Exhaust System
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Sale price
£1,290.92
Regular price
£1,518.73
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Seat Leon Cupra MK4 ST 310 & ST Cupra 300 - Non Resonated Cat-Back Exhaust System
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From £1,194.79
Regular price
£1,405.64
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Seat Leon ST Cupra 300 (GPF Models) - Cat-Back Exhaust System
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From £1,331.50
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£1,566.47
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Ford Fiesta MK7 ST 1.6 - Straight Through (Loudest) Cat-Back Exhaust System
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From £449.88
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£529.27
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Ford Fiesta MK7 ST 1.6 - Cat Back Exhaust System
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From £737.51
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£867.66
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Ford Focus MK4 ST Estate/Wagon - GPF Back Exhaust System
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From £931.24
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£1,095.58
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Audi RS5 B9 GPF Models - Race Cat-Back Exhaust System (Loudest)
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Sale price
From £2,802.09
Regular price
£3,296.58
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Audi RS4 B9 Avant/Sportback - Cat-Back Exhaust System
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Sale price
From £2,777.52
Regular price
£3,267.67
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Ford F150 Raptor V6 Supercab (Gen 2) - Cat-Back Exhaust System
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From £1,400.44
Regular price
£1,647.58
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Ford F150 Raptor V6 Supercrew (Gen 2) - Cat-Back Exhaust System
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From £1,649.99
Regular price
£1,941.16
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Ford Focus MK4 ST Hatch - GPF Back Exhaust System
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Sale price
From £831.42
Regular price
£978.14
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Ford Focus MK4 ST Hatch - GPF/OPF Back Exhaust System
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Sale price
From £968.12
Regular price
£1,138.97
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Ford Fiesta MK8 1.0T ST Line - GPF-Back Exhaust System
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From £296.62
Regular price
£348.97
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Mini Cooper S/JCW F56 - Cat-Back Exhaust System
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Sale price
From £924.89
Regular price
£1,088.11
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Mini Cooper S/JCW F56 (LCI Only) - GPF/OPF Back Exhaust System
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From £864.86
Regular price
£1,017.48
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Seat Ateca Cupra 300 4Drive (GPF Models) - GPF/OPF Back Exhaust System
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From £1,701.50
Regular price
£2,001.76
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BMW F80 M3/F82 M4 - GPF / OPF Back Road Exhaust System
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Sale price
From £1,841.01
Regular price
£2,165.89
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BMW F80 M3/F82 M4 - GPF / OPF Back Race System
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Sale price
£2,001.84
Regular price
£2,355.11
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BMW F80 M3/F82 M4 - GPF / OPF Back Race Exhaust System
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Sale price
From £1,841.01
Regular price
£2,165.89
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Mercedes A35 AMG W177 Hatch (GPF Models) - Non-Valved Cat-Back Race Exhaust System
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£825.03
Regular price
£970.62
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Mercedes A35 AMG W177 Hatch (GPF Models) - Valved Cat-Back Race Exhaust System
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Sale price
£1,109.95
Regular price
£1,305.82
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Mercedes A35 AMG W177 Hatch (GPF Models) - Non-Valved GPF/OPF Back Race Exhaust System (Uses OE Trims)
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Sale price
£610.99
Regular price
£718.81
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Mercedes A35 AMG W177 Hatch (GPF Models) - Valved GPF/OPF Back Race Exhaust System (Uses OE Trims)
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Sale price
£895.91
Regular price
£1,054.01
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Mercedes G63 W463 (UK/Euro GPF Models) - Cat-Back Exhaust System
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From £2,734.81
Regular price
£3,217.42
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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.

