Audi TTS Downpipes – Catted & Decat Performance Exhaust Upgrades

Audi TTS Downpipes – Unlock the Full Potential of the 2.0 TFSI Engine

The Audi TTS, positioned between the TT and the high-performance TTRS, combines lightweight construction with a powerful 2.0 TFSI turbocharged engine. While its factory performance is impressive, the restrictive OEM downpipe limits exhaust flow and holds back significant power gains. Upgrading to a performance Audi TTS downpipe is one of the most effective modifications to improve horsepower, torque, and turbo efficiency, while enhancing your car’s exhaust tone.

Why Upgrade to a Performance Audi TTS Downpipe?

The stock downpipe prioritizes emissions and noise regulations, which comes at the expense of raw performance. Replacing it with a high-flow Audi TTS downpipe provides several advantages:

• Substantial horsepower and torque gains – improved exhaust flow reduces backpressure and lets your engine breathe freely.
• Faster turbo spool – reduced lag, sharper throttle response, and improved acceleration.
• Enhanced exhaust tone – catted downpipes offer a sporty, refined sound, while decat downpipes deliver a raw, motorsport-inspired roar.
• Lower exhaust gas temperatures – better thermal efficiency under demanding driving conditions.
• Perfect for ECU tuning – essential for Stage 1 and Stage 2 upgrades.

Types of Audi TTS Downpipes

We provide a complete range of Audi TTS performance downpipes tailored to different setups and goals:

Catted Audi TTS Downpipes

Catted downpipes integrate a high-flow sports catalytic converter, balancing emissions compliance with increased performance. Perfect for street-driven builds where emissions testing applies.

Decat Audi TTS Downpipes

Decat downpipes remove the catalytic converter entirely, maximizing exhaust flow and delivering the highest power gains. Ideal for track-focused builds or regions without strict emissions regulations.

Material Options: Stainless Steel & Titanium

The material you choose for your Audi TTS downpipe plays a key role in performance, durability, and aesthetics:

• Stainless steel downpipes – durable, corrosion-resistant, and cost-effective.
• Titanium downpipes – ultra-lightweight, superior thermal resistance, and premium motorsport looks.

Engine Compatibility

Our Audi TTS downpipes are designed to fit perfectly across various TTS generations powered by the 2.0 TFSI engine:

• Audi TTS 8J Downpipes – optimized for the first-gen 2.0 TFSI platform (2008–2014).
• Audi TTS 8S Downpipes – engineered for the second-gen MQB platform with enhanced turbo capabilities.

Performance Gains with Audi TTS Downpipes

Upgrading to a performance Audi TTS downpipe unlocks significant performance improvements:

• +15–35 HP with a downpipe upgrade alone.
• +40–70 HP when paired with Stage 2 ECU remapping.
• Improved torque across the rev range.
• Sharper throttle response and reduced turbo lag.

Choosing the Right Diameter

The correct downpipe diameter depends on your tuning level:

• 2.5-inch downpipes – ideal for Stage 1 builds and lightly tuned engines.
• 3-inch downpipes – recommended for Stage 2, hybrid turbos, and high-boost applications.

All our Audi TTS downpipes are designed for direct bolt-on installation, ensuring seamless fitment without modifications.

Build Quality & Engineering

Each performance Audi TTS downpipe is manufactured to the highest standards for optimal performance and durability:

• Mandrel-bent tubing for smooth, unrestricted exhaust flow.
• Precision TIG welding for maximum strength and longevity.
• OEM-style flanges and gaskets ensure perfect integration.
• Available in both resonated and non-resonated options.

Tuning Potential

Pairing your Audi TTS downpipe with ECU tuning unlocks its full potential:

• Significant horsepower and torque increases.
• Optimized boost control and fueling strategies.
• Customizable exhaust tone based on catted or decat configurations.

Daily Driving vs Track Builds

For street-driven setups, catted downpipes are ideal, offering a balance between performance and emissions compliance. For track-focused builds, decat downpipes provide unrestricted exhaust flow, maximum power, and an aggressive motorsport-inspired sound.

Conclusion

Upgrading to a performance Audi TTS downpipe is one of the most effective ways to unlock hidden power, improve turbo response, and enhance exhaust sound. Whether you choose a catted or decat configuration, our selection of Audi TTS downpipes guarantees top-quality materials, precise fitment, and proven performance gains. Experience the full potential of your 2.0 TFSI-powered TTS today.