Catalytic Converters

Milltek Large Bore Downpipes with HJS Hi-Flow Cat | Audi B9 RS4 RS5

Brand: Milltek

Part #: SSXAU815

$4,720.84+4720 pts

In Stock

SKU: MK-SSXAU815

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Description

Milltek Large Bore Downpipes with HJS Hi-Flow Cat for the Audi B9 RS4 RS5 Engineered as a direct replacement for the factory downpipe, mandrel-bent throughout to maintain flow and fitted to the OE mounting points. Key Features • Premium Materials: T304Lstainless steel for durability and lasting corrosion resistance. • Enhanced Performance: 3.00" (76.20mm) mandrel-bent pipework improves exhaust flow for sharper throttle response. • Direct Fitment: engineered as a bolt-on replacement for the factory system. • Race Use: intended for track and off-road use— check local regulations before road use.Technical Specifications • Pipe Diameter: 3.00" (76.20mm) • Material: T304L Stainless Steel • System Type: Large Bore Downpipes with HJS Hi-Flow Cat • Fitting Time: 3.00 to 4.00 hoursCompatibility • 2017 to 2023 RS5 B9 2.9 V6 Turbo Coupe • 2019 and later RS5 B9.5 2.9 V6 Turbo CoupeWhy Choose Milltek? Every system is precision-built to deliver the sound, flow, and quality that define the Milltek difference. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

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Fits 7 vehicles including:

2018 Audi RS 5— B9 2.9 V6 Turbo Coupe > 2017 to 2023
2019 Audi RS 5— B9 2.9 V6 Turbo Coupe > 2017 to 2023 / B9.5 2.9 V6 Turbo Coupe > 2019 and Later
2021 Audi RS 5— B9 2.9 V6 Turbo Coupe > 2017 to 2023 / B9.5 2.9 V6 Turbo Coupe > 2019 and Later
2022 Audi RS 5— B9 2.9 V6 Turbo Coupe > 2017 to 2023 / B9.5 2.9 V6 Turbo Coupe > 2019 and Later
2023 Audi RS 5— B9 2.9 V6 Turbo Coupe > 2017 to 2023 / B9.5 2.9 V6 Turbo Coupe > 2019 and Later
2024 Audi RS 5— B9.5 2.9 V6 Turbo Coupe > 2019 and Later
+ 1 more vehicles