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TORQUE MONSTA REASSURANCE
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CTS Turbo race downpipe set for BMW S63 4.4L twin-turbo models. The set uses cast T304 stainless steel with hand TIG-welded, back-purged construction and 80 mm (3.15-inch) piping. It replaces the factory catalytic converters.
CTS lists fitment for 2018–2024 F90 BMW M5, including Competition, and 2019–2024 G15/G16 BMW M8 Coupe, Convertible, and Gran Coupe, including Competition. M cars with the S63 engine only; confirm chassis, engine, and model year before ordering.
CTS states proper Stage 2 tuning software is required to address the check-engine light.
This product is sold for competition use and is not legal for highway or street vehicles.
Dispatch times vary depending on product availability. Available-to-order items may have extended lead times; contact us before ordering if timing is important. Returns are subject to our Returns Policy. Cancellation exceptions may apply to genuinely made-to-order or clearly personalised goods. Electrical or special-order status alone does not exclude cancellation. Your rights for faulty, incorrect or misdescribed goods remain unaffected. See our Returns Policy for details.
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