Audi S6 C7 Downpipes – Catted & Decat Performance Exhaust Upgrades
( number of products: 12 )Unlock the true power of your Audi S6 C7 4.0 TFSI with premium performance downpipes. Choose between catted or decat stainless steel or titanium options for maximum power, quicker turbo spool, and a motorsport-inspired exhaust note.

Downpipe Audi S6 S7 RS6 RS7 C7 4G 4.0 TFSI 2012-2017 V8 Biturbo Quattro

Downpipe Audi RS6 RS7 C7 4.0 TFSI

Downpipe Audi RS6 RS7 C7 S6 S7 C7 4.0 TFSI V8 Heat Shield

Downpipe Audi S6 S7 RS6 RS7 C7 4G 4.0 TFSI 2012-2017 V8 Biturbo Quattro with catalytic converter EURO 3 100 CPSI

Downpipe Audi S6 S7 RS6 RS7 C7 4G 4.0 TFSI 2012-2017 V8 Biturbo Quattro with catalytic converter EURO 3 200 CPSI

Downpipe Audi S6 S7 RS6 RS7 C7 4G 4.0 TFSI 2012-2017 V8 Biturbo Quattro with catalytic converter EURO 4 100 CPSI

Downpipe Audi S6 S7 RS6 RS7 C7 4G 4.0 TFSI 2012-2017 V8 Biturbo Quattro with catalytic converter EURO 4 200 CPSI

Large Bore Downpipes and Hi-Flow Sports Cats Audi S6 4.0 TFSI C7 Quattro 2012 - 2018 Milltek Sport

Large Bore Downpipes and Hi-Flow Sports Cats Audi S6 4.0 TFSI C7 Quattro 2012 - 2018 Milltek Sport

Large-bore Downpipes and Cat Bypass Pipes Audi S6 4.0 TFSI C7 Quattro 2012 - 2018 Milltek Sport

Large-bore Downpipes and Cat Bypass Pipes Audi S6 4.0 TFSI C7 Quattro 2012 - 2018 Milltek Sport

Downpipe Audi RS6 RS7 C7 S6 S7 C7 4.0 TFSI V8 Heat Shield
Audi S6 C7 Downpipes – Unleash the Power of Your 4.0 TFSI V8
The Audi S6 C7, produced from 2012 to 2018, is powered by the incredible 4.0 TFSI twin-turbocharged V8. While it delivers serious performance in stock form, the restrictive OEM downpipes limit power, throttle response, and exhaust tone. Upgrading to performance Audi S6 C7 downpipes is one of the most effective modifications to unlock hidden horsepower, improve turbo efficiency, and achieve a deeper, motorsport-inspired sound.
Why Upgrade to Performance Audi S6 C7 Downpipes?
The factory-installed downpipes feature restrictive catalytic converters designed to meet emissions and noise regulations. While functional, they reduce flow and compromise performance. Installing high-flow Audi S6 C7 downpipes provides multiple advantages:
- Significant horsepower and torque gains – reduced backpressure allows your V8 to breathe freely.
- Faster turbo spool – improved exhaust flow sharpens throttle response and acceleration.
- Enhanced exhaust tone – catted downpipes provide a sporty, refined sound, while decat downpipes deliver an aggressive motorsport roar.
- Lower exhaust gas temperatures – improved thermal management under heavy loads protects turbos and manifolds.
- Perfect for ECU tuning – essential for Stage 1, Stage 2, and hybrid turbo upgrades.
Types of Audi S6 C7 Downpipes
We offer a variety of Audi S6 C7 downpipes designed for different tuning levels and driving goals:
Catted Audi S6 C7 Downpipes
Catted downpipes integrate high-flow sports catalytic converters that improve exhaust flow while keeping emissions compliance intact. Ideal for street-driven cars in regions with emissions regulations.
Decat Audi S6 C7 Downpipes
Decat downpipes remove catalytic converters entirely, maximizing exhaust flow and peak power potential. Perfect for track-focused builds or regions without emissions restrictions.
Material Options: Stainless Steel & Titanium
The choice of material impacts weight, performance, and durability:
- Stainless steel downpipes – durable, corrosion-resistant, and cost-effective; suitable for most setups.
- Titanium downpipes – ultra-lightweight, superior thermal efficiency, and motorsport-grade finish.
Engine & Model Compatibility
Our Audi S6 C7 downpipes are engineered for perfect fitment on all configurations of the 4.0 TFSI V8:
- Audi S6 C7 4.0 TFSI Downpipes – optimized for stock twin-turbo configurations.
- Audi S6 C7.5 Downpipes – designed for facelift models (2015–2018) with updated turbo layouts.
- Hybrid Turbo Downpipes – developed for upgraded turbo systems and high-boost builds.
Performance Gains with Audi S6 C7 Downpipes
Upgrading to performance Audi S6 C7 downpipes unlocks significant gains across the rev range:
- +40–60 HP with downpipes alone.
- +80–120 HP when combined with Stage 2 ECU tuning and supporting modifications.
- Sharper throttle response and reduced turbo lag.
- Increased torque and stronger mid-range pull.
Choosing the Right Diameter
The diameter of your Audi S6 C7 downpipes directly affects performance and sound:
- 2.75-inch downpipes – ideal for Stage 1 setups and mildly tuned builds.
- 3-inch downpipes – recommended for Stage 2, hybrid turbos, and aggressive high-output configurations.
All our Audi S6 C7 downpipes are designed for direct bolt-on installation with OEM-style fittings and flanges, requiring no cutting or welding.
Build Quality & Engineering
Our performance Audi S6 C7 downpipes are crafted to meet the highest engineering standards:
- Mandrel-bent tubing ensures smooth, unrestricted exhaust flow.
- High-grade stainless steel or titanium construction.
- Precision TIG welding guarantees strength and leak-free performance.
- OEM-style flanges and hangers for a perfect fit.
Tuning Potential
Pairing Audi S6 C7 downpipes with ECU tuning unlocks the full performance potential of the 4.0 TFSI engine:
- Massive horsepower and torque improvements.
- Optimized boost control and fueling strategies.
- Sharper throttle response and smoother power delivery.
- Custom exhaust sound profiles based on catted or decat configurations.
Daily Driving vs Track Builds
For daily-driven S6 builds, catted downpipes offer performance gains while keeping noise and emissions manageable. For track-focused cars, decat downpipes deliver maximum flow, peak performance, and an aggressive motorsport tone.
Conclusion
Upgrading to a set of performance Audi S6 C7 downpipes is one of the best ways to improve power, throttle response, and exhaust tone on your 4.0 TFSI V8. Whether you choose catted downpipes for daily usability or decat downpipes for ultimate performance, our selection of Audi S6 C7 downpipes guarantees premium quality, precise fitment, and proven gains. Transform your C7 S6 today.