Seat Leon ST Cupra 300 (Non GPF Models) - Cat-Back Exhaust System
Regular price
Sale price
From £1,194.79
Regular price
£1,405.64
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Mercedes C63/C63S W205 Saloon (Non GPF Models) - Rear Silencers for OE Valve Control
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Sale price
£1,537.65
Regular price
£1,809.00
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VW Golf R MK7.5 2.0 TSI 310ps (Non GPF Models & 76mm systems) - Non-Valved & Resonated Cat-Back Race Exhaust System
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Sale price
From £1,228.83
Regular price
£1,445.68
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Mercedes C63/C63S W205 Saloon (Non GPF Models) - Rear Silencers
Regular price
Sale price
£2,161.30
Regular price
£2,542.70
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Ford Mustang 5.0 V8 GT (Fastback) - Valved Cat-Back Exhaust System
Regular price
Sale price
From £2,831.12
Regular price
£3,330.73
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VW Up GTI 115ps & 1.0TSI 90ps - (Resonated) Cat-Back Exhaust System
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Sale price
£627.57
Regular price
£738.32
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VW Up GTI 115ps & 1.0TSI 90ps - Cat-Back Exhaust System
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Sale price
From £420.00
Regular price
£494.12
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VW Up GTI 115ps & 1.0TSI 90ps - Road+ Cat-Back Exhaust System
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From £513.68
Regular price
£604.33
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VW Golf R MK7.5 2.0 TSI 310ps (Non GPF Models & 76mm systems) - Non-Valved & Non-Resonated Cat-Back Race Exhaust System
Regular price
Sale price
From £1,084.61
Regular price
£1,276.01
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VW Golf MK7.5 R 2.0 TSI 300ps/310ps (76mm Systems) - GPF/OPF Back Exhaust System
Regular price
Sale price
From £1,665.24
Regular price
£1,959.11
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VW Golf R MK7.5 2.0 TSI 310ps (Non GPF Models & 76mm systems) - Cat-Back Exhaust System
Regular price
Sale price
From £1,809.46
Regular price
£2,128.78
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VW Polo GTI 1.8 TSI 192ps - Cat-Back Exhaust System
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Sale price
From £741.54
Regular price
£872.40
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VW Golf R MK7 2.0 TSI (76.2mm systems) - RACE Cat-Back Race Exhaust System
Regular price
Sale price
£1,678.63
Regular price
£1,974.86
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VW Golf R MK7 2.0 TSI (76.2mm systems) - RACE (Loudest) Cat-Back Exhaust System
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Sale price
£1,090.67
Regular price
£1,283.14
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Porsche 997.2 C2/C4/S/GTS - Rear Silencer Delete Assembly - Fits
Regular price
Sale price
£558.06
Regular price
£656.54
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Ford Focus MK3 ST Diesel - Cat-Back Exhaust System
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Sale price
From £560.14
Regular price
£658.99
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BMW F87 M2 - Cat-Back Exhaust System
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Sale price
From £2,471.36
Regular price
£2,907.48
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Porsche 991.1/991.2 GT3 & GT3 RS - Rear Silencer Bypass - Re-uses OE Trims
Regular price
Sale price
£728.63
Regular price
£857.21
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Porsche 991.1/991.2 GT3 & GT3 RS - Cat-Back Exhaust System
Regular price
Sale price
From £1,190.38
Regular price
£1,400.45
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Mercedes A45 AMG W176 - Non-Valved & Non-Resonated Cat-Back Race Exhaust System (Uses OE Trims)
Regular price
Sale price
£1,052.33
Regular price
£1,238.04
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Mercedes A45 AMG W176 - Cat-Back Exhaust System (Uses OE Trims)
Regular price
Sale price
£1,370.99
Regular price
£1,612.93
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Mercedes A45 AMG W176 - Cat-Back Exhaust System
Regular price
Sale price
£1,496.71
Regular price
£1,760.84
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Mercedes CLA45 AMG - Non-Valved & Non-Resonated Cat-Back Exhaust System - Uses OE Trims
Regular price
Sale price
£1,082.24
Regular price
£1,273.22
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Mercedes CLA45 AMG - Cat-Back Exhaust System - Uses OE Trims
Regular price
Sale price
From £1,357.25
Regular price
£1,596.77
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Ford Focus MK2 RS - Non Resonated Race Cat-Back Exhaust System
Regular price
Sale price
£868.65
Regular price
£1,021.94
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Ford Focus MK3 RS - Cat-Back Exhaust System
Regular price
Sale price
From £1,320.63
Regular price
£1,553.68
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Audi RS6/RS7 C7 - Road+ Complete Exhaust System
Regular price
Sale price
£3,547.77
Regular price
£4,173.85
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Audi RS6/RS7 C7 - Complete Exhaust System
Regular price
Sale price
From £3,364.59
Regular price
£3,958.34
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Audi RS6/RS7 C7 - Complete Exhaust System - Uses OE Tips
Regular price
Sale price
£5,265.60
Regular price
£6,194.82
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Audi RS6/RS7 C7 - Complete Exhaust System - Uses OE Trims
Regular price
Sale price
£5,091.07
Regular price
£5,989.49
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Audi RS6/RS7 C7 - Road+ Complete Exhaust System - Uses OE Tips
Regular price
Sale price
£5,274.25
Regular price
£6,205.00
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Ford Mustang 2.3 (S550 Fastback) - Cat-Back Exhaust System
Regular price
Sale price
From £1,406.82
Regular price
£1,655.08
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Audi RS3 8V Pre Facelift - Valved & Non-Resonated Cat-Back Exhaust System
Regular price
Sale price
From £1,459.31
Regular price
£1,716.83
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Audi RS3 8V Pre Facelift - Valved & Resonated Cat-Back Exhaust System
Regular price
Sale price
From £1,682.63
Regular price
£1,979.57
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Ford Mustang 5.0 V8 GT (Fastback) - Cat-Back Exhaust System (For Roush Valance)
Regular price
Sale price
£1,738.68
Regular price
£2,045.51
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Audi RS6 C7 - Road+ Cat-Back Exhaust System - Fits OE Tips
Regular price
Sale price
£2,355.18
Regular price
£2,770.80
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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.

