Mini Cooper S F55 - Cat-Back
Regular price
Sale price
From £1,002.40
Regular price
£1,179.29
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Audi S8 D5 V8 (Long Wheel Base) - Cat-Back
Regular price
Sale price
From £4,300.06
Regular price
£5,058.89
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Porsche 992.1 Carrera S/GTS/Dakar - OPF/GPF Back System - Valved (Works
Regular price
Sale price
£2,206.46
Regular price
£2,595.84
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Ford Mustang 2.3 (S650 Fastback) - Valved Non-Resonated Cat-back
Regular price
Sale price
From £2,620.07
Regular price
£3,082.43
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Ford Mustang 2.3 (S550/S650 Fastback) - Valved Resonated Cat-back
Regular price
Sale price
From £2,702.57
Regular price
£3,179.50
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Ford Mustang 5.0 V8 GT (S650 Fastback) - Active Valved Cat Back
Regular price
Sale price
From £2,352.70
Regular price
£2,767.88
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Ford Mustang 5.0 V8 Dark Horse/ Mach 1 - Active Valved Cat Back
Regular price
Sale price
From £2,431.03
Regular price
£2,860.04
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Porsche 718 GTS & Spyder Boxter/GT4 4.0 Cayman (GPF PDK Models) - Particulate Filter-Back
Regular price
Sale price
From £2,278.48
Regular price
£2,680.57
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Porsche 718 GTS & Spyder Boxter/GT4 4.0 Cayman (GPF PDK Models) - GPF/OPF Bypass
Regular price
Sale price
From £3,044.28
Regular price
£3,581.51
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Seat Leon Cupra 2.0 TSI 245ps (GPF Models) - Particulate Filter-back Race System (Loudest) 80mm
Regular price
Sale price
From £1,363.20
Regular price
£1,603.76
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Seat Cupra Formentor 2.0TSI 245ps (GPF Models) - System (Loudest) 80MM OPF/GPF Back System
Regular price
Sale price
From £1,363.20
Regular price
£1,603.76
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Seat Cupra Formentor 2.0TSI 245ps (GPF Models) - 80MM OPF/GPF Back System
Regular price
Sale price
From £1,351.72
Regular price
£1,590.26
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BMW G8X M3/M4 - OPF/GPF Back
Regular price
Sale price
From £2,588.69
Regular price
£3,045.52
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BMW G87 M2 - Non Resonated Cat-Back
Regular price
Sale price
From £3,037.92
Regular price
£3,574.02
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BMW G87 M2 - Secondary Catalyst Bypass - to OE Axle Back Only
Regular price
Sale price
£923.40
Regular price
£1,086.35
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BMW G87 M2 - GPF/OPF Bypass - Non Resonated to OE Axle Back Only
Regular price
Sale price
£708.73
Regular price
£833.80
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BMW G87 M2 - (Loudest) Cat-Back
Regular price
Sale price
From £3,020.73
Regular price
£3,553.80
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BMW G87 M2 - OPF/GPF Back
Regular price
Sale price
From £2,530.45
Regular price
£2,977.00
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BMW G87 M2 - Centre Resonator Back System
Regular price
Sale price
From £2,416.84
Regular price
£2,843.34
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Seat Leon Cupra 2.0 TSI 245ps (GPF Models) - Particulate Filter-back System
Regular price
Sale price
From £1,351.72
Regular price
£1,590.26
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Active Suspension Control (Audi RSQ8/SQ8)
Regular price
Sale price
£1,379.04
Regular price
£1,622.40
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Audi RS6/RS7 C8 - Signature Series Titanium Axle back
Regular price
Sale price
From £7,028.62
Regular price
£8,268.96
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VW Arteon 2.0 TSI (USA Non Valved/Downturn Tips) - Large-bore Downpipe and De-cat (For OE Cat-Back)
Regular price
Sale price
£601.27
Regular price
£707.38
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Large Bore Downpipe and De-Cat (VW Golf R Mk7.5) (For OE Cat-Back)
Regular price
Sale price
£579.20
Regular price
£681.41
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VW Arteon 2.0 TSI (USA Non Valved/Downturn Tips) - Large Bore Downpipe and Hi-Flow Race Cat (For OE Cat-Back)
Regular price
Sale price
£875.31
Regular price
£1,029.78
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VW Arteon 2.0 TSI (USA Non Valved/Downturn Tips) - Large Bore Downpipe and Hi-Flow Sports Cat (For OE Cat-Back)
Regular price
Sale price
£1,169.43
Regular price
£1,375.80
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VW Arteon 2.0 TSI (USA Non Valved/Downturn Tips) - Large-bore Downpipe and De-cat (For Milltek Cat-Back)
Regular price
Sale price
£605.68
Regular price
£712.56
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VW Arteon 2.0 TSI (USA Non Valved/Downturn Tips) - 76mm Non-Resonated Non-Valved (Loudest) Catback
Regular price
Sale price
£1,391.78
Regular price
£1,637.39
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VW Arteon 2.0 TSI (USA Non Valved/Downturn Tips) - 76mm Part Resonated Non-Valved Cat-Back System (Road+)
Regular price
Sale price
£1,529.69
Regular price
£1,799.63
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VW Arteon 2.0 TSI (USA Non Valved/Downturn Tips) - 76mm Resonated Non-Valved Cat-back System
Regular price
Sale price
£1,524.18
Regular price
£1,793.15
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BMW G20 M340i & G22 M440i - Cat-back Fits to OE Trims
Regular price
Sale price
£1,794.67
Regular price
£2,111.38
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BMW G20 M340i & G22 M440i - Cat-Back Quad
Regular price
Sale price
£2,286.49
Regular price
£2,689.99
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BMW G20 M340i & G22 M440i - Cat-back
Regular price
Sale price
£2,121.23
Regular price
£2,495.57
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VW Golf R MK7 - 80mm Race Cat-back
Regular price
Sale price
From £1,505.83
Regular price
£1,771.56
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Large-bore Downpipe and De-cat (VW Golf R Mk7) (For Milltek Cat-Back)
Regular price
Sale price
£579.20
Regular price
£681.41
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Large-bore Downpipe and Hi-Flow Sports Cat (VW Golf R Mk7) (For Milltek Cat-Back)
Regular price
Sale price
£777.78
Regular price
£915.04
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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
