Designed exclusively for 4.0 TFSI engines in the Audi RS6 C8 and Audi RS7 C8, these Alpha Competition downpipes feature a 5"" / 130mm diameter that narrows to 3.15"" / 80mm. Crafted from high-quality T304 stainless steel, these downpipes boast handcrafted TIG welds and a high-flow design. They seaml..