Transform the sound and performance of your Audi S3 8V with this premium Stainless Steel Valved Cat-Back Exhaust System, engineered for drivers who want the perfect balance between comfort, aggression, and full control. Designed for S3 hatch, sedan, and sportback models, this system unlocks a deeper, sharper exhaust tone while enhancing flow and reducing backpressure for improved performance.
Crafted from high-quality 304 stainless steel, the system is built to withstand extreme temperatures and long-term use. The integrated electronic valve control allows you to switch between quiet, refined cruising and a bold, motorsport-inspired sound at the press of a button — giving you full control over your vehicle’s personality.
With precision TIG welds, mandrel-bent piping, and quad polished tips, this exhaust is designed for enthusiasts seeking both performance gains and a premium visual finish. Installation is straightforward with direct bolt-on fitment to factory mounting points.
Key Features
Valved Sound Control System
Switch between quiet and aggressive modes — enjoy comfort when cruising and a powerful exhaust note when desired.
Premium 304 Stainless Steel Construction
Durable, corrosion-resistant, and built to handle high-heat performance driving.
Mandrel-Bent Piping
Ensures smooth, unrestricted exhaust flow for better performance and throttle response.
TIG-Welded for Strength & Precision
Clean, strong welds guarantee long-term durability and a high-quality finish.
Quad Polished Tips
Sporty rear-end aesthetics with a premium OEM+ appearance.
Direct Bolt-On Fitment
Compatible with factory mounting points — no cutting or fabrication required.
Performance Benefits
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Deeper, more refined exhaust tone
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Aggressive valves-open sound with crackles and sharper notes
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Improved throttle response and reduced turbo backpressure
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Enhanced visual presence with quad-tip design
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Switchable sound for daily use or spirited driving
Vehicle Fitment
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Audi S3 8V (2013–2020)
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Hatch
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Sedan
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Sportback
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Please Note
Professional installation is recommended. Valved systems require connection to vacuum or electronic control depending on model year.
Why Choose Proven Performance Parts
We specialise in high-performance parts for European vehicles — particularly Volkswagen GTI & R models, Audi S/RS, and other VAG platforms. Every product we offer is carefully selected for its quality, fitment, and real-world performance — tested by enthusiasts, for enthusiasts.
Fast Shipping
Fast, reliable shipping — straight to your door
custom order
Looking for something unique? We offer custom orders tailored to your build — made to fit your style, performance, and vision
RELIABLE
Trusted parts, reliable performance — every time