Milltek Audi RS6 C8 4.0 V8 bi-turbo (OPF/GPF Models) 2019-2023 Large-bore Exhaust Downpipes and Cat Bypass Exhaust Pipes Exhaust - SSXAU871 Turbine Wheel_56 the enlarged boost pipe kit

the enlarged boost pipe kit features a freer-flowing design with a larger 50mm bore on the hot side

Fits like a factory part

– Audi UrS6 C4

Replacement c-clip

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Milltek Audi RS6 C8 4.0 V8 bi-turbo (OPF/GPF Models) 2019-2023 Large-bore Exhaust Downpipes and Cat Bypass Exhaust Pipes Exhaust - SSXAU871 Turbine Wheel_56 the enlarged boost pipe kitAll Milltek performance exhaust systems are manufactured from T304L stainless steel; giving you the satisfaction of knowing that our products are meant to last within some of the toughest environments. T304L is a highly durable form of stainless steel that is far less susceptible to degradation and discolouration than many others of its kind, while it will last almost indefinitely.