# Title: Catless High Flow 304 Stainless Exhaust Downpipe for Audi RS4 RS5 2.9T


## Description: 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


## Product type: Vehicle Parts & Accessories


## Vendor: Bull Boost Performance


## Tags: Bull Boost Performance, Shopify Collective


## Price range: 799.95 - 799.95 USD


## Link: https://shop.water-services.us/products/catless-high-flow-304-stainless-exhaust-downpipe-for-audi-rs4-rs5-2-9t


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- Default Title, SKU: 721814382624, Available: no, Inventory: 0, Delivery profile: Shopify Collective


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