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

• Fits Audi RS4 & RS5 2.9T (2019–2024)

• Straight / catless header downpipe design for maximum exhaust flow

• Stainless steel construction for durability and heat resistance

• Reduces exhaust backpressure dramatically

• Improves turbo spool, throttle response, and power output

• Produces a louder, more aggressive motorsport-style exhaust tone

• Performance-focused, free-flow design

Notes

• Catless design — intended for off-road / track use only

• Professional installation recommended

• ECU tuning required for proper operation and performance