The BMW M4 Hamann Stage 4 delivers intense performance with Akrapovic exhaust, full-throttle acceleration, and launch control in action. This video features sharp gear shifts, aggressive sound, and ...

JetZero has selected Maryland-based ST Engineering MRAS to design and manufacture the exhaust nozzle for its full-scale ...

This video compares the exhaust sound of two BMW Z4 models: the naturally aspirated Z4M E85 with a 3.2L inline-6, and the Z4 ...