Porsche 718 GTS 2.5T (Boxter/Cayman) - Back Exhaust
Regular price
Sale price
From £1,012.29
Regular price
£1,190.93
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Audi S8 D5 V8 - OPF-Back Exhaust System
Regular price
Sale price
From £4,178.69
Regular price
£4,916.11
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Ford Fiesta MK8 ST 1.5 (Pre Sept 2020) - GPF Back Maxton Designs Dual Outlet
Regular price
Sale price
From £1,100.67
Regular price
£1,294.91
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Ford Puma ST (GPF Equipped) - Valved OPF Back Exhaust System
Regular price
Sale price
From £969.47
Regular price
£1,140.55
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Audi RS6/RS7 C8 - Cat Back Back System
Regular price
Sale price
£4,157.89
Regular price
£4,891.63
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Audi S3 8Y - Part-Resonated Cat-Back Exhaust System
Regular price
Sale price
From £2,032.78
Regular price
£2,391.50
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Audi S3 8Y GPF models - 80mm Resonated Cat-Back Exhaust System
Regular price
Sale price
From £2,175.54
Regular price
£2,559.46
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Audi S3 8Y Sportback GPF models - 'Race' 80mm Non-Resonated (Loudest) Cat-Back Exhaust System
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Sale price
From £1,727.45
Regular price
£2,032.30
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Audi S3 8Y Sportback GPF models - 80mm Non-Resonated Cat-Back Exhaust System
Regular price
Sale price
From £1,836.90
Regular price
£2,161.06
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Audi S3 8Y Sportback GPF models - 80mm Resonated Cat-Back Exhaust System
Regular price
Sale price
From £1,979.66
Regular price
£2,329.01
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VW Golf GTI Mk8 - 80mm OPF/GPF Back Exhaust System
Regular price
Sale price
From £1,112.43
Regular price
£1,308.74
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Skoda Octavia vRS 2.0 TSI 245ps (GPF & Post Facelift Models) - Cat Back Exhaust System - Uses OE Tips
Regular price
Sale price
£1,152.04
Regular price
£1,355.34
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Ford Fiesta MK8/8.5 ST 1.5 - GPF Back Exhaust System
Regular price
Sale price
£1,157.71
Regular price
£1,362.01
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Ford Fiesta MK8/8.5 ST 1.5 - GPF Back System
Regular price
Sale price
From £947.41
Regular price
£1,114.60
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Audi RSQ3 - 80mm OPF Back Exhaust System - Fits
Regular price
Sale price
£2,010.06
Regular price
£2,364.78
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BMW G20/21 M340i & G22 M440i - Cat-Back Exhaust System
Regular price
Sale price
From £2,094.69
Regular price
£2,464.34
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BMW G20/21 M340i & G22 M440i - Cat-Back Exhaust System - Uses OE Trims
Regular price
Sale price
£1,768.13
Regular price
£2,080.15
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BMW G20/21 M340i & G22 M440i - OPF Back Exhaust System
Regular price
Sale price
From £1,715.99
Regular price
£2,018.81
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BMW G20/21 M340i & G22 M440i - OPF Back Exhaust System - Uses OE Trims
Regular price
Sale price
£1,389.43
Regular price
£1,634.62
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Audi RS6/RS7 C8 - Non Resonated Cat Back Back System (Twin 80mm)
Regular price
Sale price
£4,659.36
Regular price
£5,481.60
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Mercedes A45/A45S AMG W177 Hatch - GPF Back Exhaust System - Uses OE Trims
Regular price
Sale price
From £1,585.38
Regular price
£1,865.15
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VW T-Roc R 2.0TSI - GPF Back Exhaust System
Regular price
Sale price
From £1,736.74
Regular price
£2,043.22
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VW T-Roc R 2.0TSI - GPF/OPF Back Exhaust System
Regular price
Sale price
From £1,736.74
Regular price
£2,043.22
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Mercedes A35 AMG (GPF Models) - Non-Valved GPF-Back Exhaust (Loudest) - Uses OE Trims
Regular price
Sale price
£670.72
Regular price
£789.08
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Mercedes A35 AMG (GPF Models) - Non-Valved GPF-Back Exhaust - Uses OE Trims
Regular price
Sale price
£782.96
Regular price
£921.13
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Mercedes A35 AMG (Non GPF Models) - & Non-Valved Cat-Back Exhaust (Uses OE Trims)
Regular price
Sale price
£882.42
Regular price
£1,038.14
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Mercedes A35 AMG (Non GPF Models) - & Valved Cat-Back Exhaust - Uses OE Trims
Regular price
Sale price
From £1,195.81
Regular price
£1,406.84
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Mercedes A35 AMG - & Non-Valved Front Pipe Back Exhaust (Uses OE Trims)
Regular price
Sale price
£699.20
Regular price
£822.59
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Mercedes A35 AMG - & Valved Front Pipe Back Exhaust (Uses OE Trims)
Regular price
Sale price
£984.11
Regular price
£1,157.78
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Mercedes A35 AMG - & Valved Front Pipe Back Exhaust System - Uses OE Tailpipes
Regular price
Sale price
£1,096.36
Regular price
£1,289.83
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BMW F80 M3/F82 M4 - Equal Length Cat-Back Exhaust System
Regular price
Sale price
£2,505.32
Regular price
£2,947.44
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BMW F80 M3/F82 M4 - Equal Length (Loudest) Cat-Back Exhaust System
Regular price
Sale price
From £1,916.21
Regular price
£2,254.37
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Audi RSQ8 - OPF Back Exhaust - Uses OE Trims
Regular price
Sale price
£4,409.58
Regular price
£5,187.74
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Audi RSQ8 - Front Pipe Back Exhaust - Uses OE Trims
Regular price
Sale price
£3,609.25
Regular price
£4,246.18
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Seat Leon Cupra R 310ps - Cat-Back Exhaust System
Regular price
Sale price
From £1,070.18
Regular price
£1,259.03
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Audi RS3 8V - 80MM Non-Resonated Cat-Back Race Exhaust System
Regular price
Sale price
£2,421.79
Regular price
£2,849.16
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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.

