Audi RS6/RS7 C8 & S8 - Large Bore Downpipe & Hi-Flow Sports Cat inc GPF Bypass - For Milltek
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Sale price
£4,205.68
Regular price
£4,947.86
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Mercedes A35 AMG - Large Bore Downpipe & De Cat
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Sale price
£559.94
Regular price
£658.75
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Mercedes A35 AMG - Large Bore Downpipe & Hi Flow Sports Cat
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Sale price
£1,047.23
Regular price
£1,232.04
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Ford Fiesta MK8/8.5 ST 1.5 & Puma ST - Downpipe and De-Cat
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Sale price
£328.65
Regular price
£386.65
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Ford Fiesta MK8/8.5 ST 1.5 & Puma ST - Downpipe
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Sale price
£718.66
Regular price
£845.48
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Large Bore Downpipe & Decat (Audi B9 RS4/RS5)
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Sale price
£1,754.14
Regular price
£2,063.69
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Hi-Flow Sports Cat & GPF Bypass (Audi B9 RS4/RS5)
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Sale price
£3,254.53
Regular price
£3,828.86
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VW Up GTI 115ps & 1.0TSI 90ps - Large Bore Downpipe & De-Cat - For OE Cat-Back
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Sale price
£427.03
Regular price
£502.39
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VW Up GTI 115ps & 1.0TSI 90ps - Large Bore Downpipe & De-Cat - For Milltek Cat Back
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£422.18
Regular price
£496.68
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VW Up GTI 115ps & 1.0TSI 90ps - Hi Flow Sports Cat & Downpipe - For Milltek Cat Back
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Sale price
£675.70
Regular price
£794.94
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VW Up GTI 115ps & 1.0TSI 90ps - Hi Flow Sports Cat & Downpipe - For OE Cat Back
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Sale price
£680.55
Regular price
£800.65
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Mini Cooper S/JCW F55/F56 (LCI Only) - Large Bore Downpipe & De-Cat (For OE Systems)
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Sale price
£360.77
Regular price
£424.43
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Mini Cooper S/JCW F55/F56 (LCI Only) - Large Bore Downpipe & De-Cat (For Milltek Systems)
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Sale price
£360.45
Regular price
£424.06
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Catalyst Replacement Pipes (Audi B9 RS4/RS5)
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Sale price
£1,588.65
Regular price
£1,869.00
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BMW F87 M2 Comp - Large Bore Downpipe Pair
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Sale price
From £1,030.68
Regular price
£1,212.56
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BMW F87 M2 Comp - GPF/OPF Delete Pipe
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Sale price
£1,203.63
Regular price
£1,416.04
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Audi SQ5 V6 Turbo - Large Bore Downpipe
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Sale price
From £629.55
Regular price
£740.65
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Audi TTS MK2 Quattro - Stainless Steel Cast Large Bore Downpipe
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Sale price
£504.30
Regular price
£593.29
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Mercedes C63/C63S W205 & E63S AMG - Large Bore Downpipe Pair
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Sale price
£1,853.28
Regular price
£2,180.33
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Mercedes C63/C63S W205 & E63S AMG - Large Bore Dowpipe
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Sale price
£4,884.21
Regular price
£5,746.13
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Catalyst Delete Pipe (Audi A6/A7/S4/S5)
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Sale price
£616.94
Regular price
£725.81
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Hi-Flow Sports Cat and Downpipe (Audi A6/A7/S4/S5)
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Sale price
£2,200.95
Regular price
£2,589.35
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BMW E90/E92 M3 - Large Bore Dowpipe
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Sale price
£1,987.16
Regular price
£2,337.83
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Audi TTS MK3 Non GPF models - Stainless Steel Cast Downpipe
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Sale price
From £703.05
Regular price
£827.12
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Seat Leon ST Cupra & Skoda vRS 2.0 TSI - Stainless Steel Cast Downpipe
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Sale price
£701.73
Regular price
£825.56
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Mercedes A45 AMG W176 - Large Bore Downpipe
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Sale price
From £348.93
Regular price
£410.51
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BMW F80 M3/F82 M4 - Secondary Catalyst Delete Pipe (For Miltek Cat-Back)
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Sale price
£306.16
Regular price
£360.19
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BMW F80 M3/F82 M4 - Large Bore Downpipe
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Sale price
From £935.22
Regular price
£1,100.26
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BMW F80 M3/F82 M4 - Large Bore Downpipe Pair
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Sale price
£2,344.58
Regular price
£2,758.33
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Downpipe (Primary Catalyst Delete + Turbo Elbow) - Audi RS3 8V Pre Facelift
Regular price
Sale price
£753.13
Regular price
£886.04
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Secondary Catalyst Bypass (Audi RS3 8V/8Y/TTRS MK3)
Regular price
Sale price
£214.72
Regular price
£252.61
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Downpipe (Primary Hi-Flow Sports Cat + Turbo Elbow) - Audi RS3 8V Pre Facelift
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Sale price
£1,293.07
Regular price
£1,521.26
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Mini Cooper S F56 (Pre LCI Only) - Large Bore Downpipe
Regular price
Sale price
From £350.89
Regular price
£412.81
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Mini Cooper F56 (Pre-LCI only) - Large Bore Downpipe
Regular price
Sale price
£394.94
Regular price
£464.64
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BMW F30 328/F32 428i - Large Bore Downpipe
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Sale price
£280.70
Regular price
£330.24
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BMW 4 Series F32 428i - Large Bore Downpipe
Regular price
Sale price
£958.38
Regular price
£1,127.51
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Downpipes & Sports Cats
Free up the restriction.
Downpipes and sports catalytic converters are one of the most effective upgrades for turbocharged engines. By reducing exhaust restriction, they allow the turbo to spool faster and support higher power levels.
At Fifty9 Performance, we supply performance downpipes and sports cats in the UK designed to improve exhaust flow and unlock additional performance.
- Performance Downpipes - reduce exhaust restriction and improve turbo response
- Sports Catalytic Converters - high flow catalytic converters for performance builds
- Decat Pipes - maximum exhaust flow for track focused setups
- Installation Hardware - gaskets and fittings for exhaust upgrades
If you are looking for performance downpipes, sports cats or decat pipes, explore our range and unlock more power from your turbocharged engine.
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
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