Maximize exhaust flow and turbo performance on your Audi RS4 or RS5 2.9T with the STRATEC Straight Header Downpipe. Designed as a free-flow, catless downpipe, this system eliminates exhaust restriction to deliver faster turbo spool, stronger throttle response, and a significantly more aggressive exhaust tone.
Constructed from high-quality stainless steel, this straight downpipe is built to handle high heat and boost levels, making it ideal for track-focused builds and high-performance applications. The simplified straight-through design prioritizes airflow efficiency and power delivery.
Key Features
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Fits Audi RS4 & RS5 2.9T (2019–2024)
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Straight / catless header downpipe design for maximum exhaust flow
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Stainless steel construction for durability and heat resistance
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Reduces exhaust backpressure dramatically
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Improves turbo spool, throttle response, and power output
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Produces a louder, more aggressive motorsport-style exhaust tone
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Performance-focused, free-flow design
Notes
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Catless design — intended for off-road / track use only
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Professional installation recommended
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ECU tuning required for proper operation and performance
