Audi A8L D4 Catless Downpipe

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Downpipe Diameter 4 inch Cat Type Catless (no catalytic converter) Material T304 Stainless Steel Fitment Fits stock or modified vehicles – no modifications required Compatible with Audi A8L D4 4.0T (2011–2023) Purpose-built for the Audi A8L D4, this catless downpipe unlocks significant flow improvements and dynamic performance. The direct-fit design removes factory catalytic converter restrictions, lowering exhaust backpressure for sharper acceleration and a commanding engine tone. Heavy-duty welded construction withstands sustained high-performance driving. Perfect for modified A8L platforms targeting maximum horsepower and unrestricted power delivery. Expert fitment advised. Show more