Exhaust Valve Controllers for 2025 BMW M4 CS

Shop 8 exhaust parts that fit the 2025 BMW M4 CS - cat-backs, axle-backs, headers, downpipes, mufflers, tips and more from Akrapovic, aFe and MBRP. Only parts listed for the CS are here. Every part shows its real ship date and California status, orders over $100 ship free in the lower 48, and you can hear real sound clips before you buy.