SLE Audi S4 / S5 B9 (3.0T) 2017+ Catless Downpipe — Fits OEM / Aftermarket Midpipes, Supports Hybrid Turbos
Key Features
• Gain horsepower and torque
• Massive 6.5″ design for maximum flow
• Faster turbo spool and better throttle response
• Enhanced exhaust sound and tone
• Compatible with OEM and aftermarket midpipes
• Supports stock and hybrid turbo setups
• Precision fitment for easy installation
Unlock Power and Sound on Your Audi 3.0T EA839
Upgrade your B9 / B9.5 Audi S4 or S5 with the SLE Catless Downpipe, engineered to free up horsepower and improve overall performance. By eliminating the restrictive factory catalytic converter, this downpipe maximizes exhaust flow and reduces turbo lag — delivering quicker spool, sharper throttle response, and increased power.
Whether you’re running a stock turbo or hybrid upgrade, this downpipe is designed to meet your performance needs without compromising fitment.
Massive 6.5″ Design with Perfect Fitment
The SLE Downpipe features a huge 6.5″ turbo outlet that tapers smoothly down to meet OEM or aftermarket midpipes. Precision-cut flanges ensure a leak-free connection, while the stepped design maintains smooth airflow. This downpipe fits perfectly with both OEM and aftermarket midpipes for a hassle-free install.
Aggressive, Deep Exhaust Note
Once installed, expect a noticeable change in sound. When paired with SLE midpipes, the SLE Catless Downpipe produces an exotic, aggressive exhaust tone that transforms your driving experience.
Vehicle Fitment
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Audi B9 / B9.5 S4 (3.0T EA839)
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Audi B9 / B9.5 S5 (3.0T EA839)






















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