Product Overview Transform your G80/G82 BMW M3/M4's sound and performance with our comprehensive exhaust solution. Engineered to address the subdued factory exhaust note, our system combines a 3.5-inch mid-pipe with an optional Grade 5 Titanium axle-back system, delivering the aggressive sound and performance your M car deserves. Key Benefits Enhanced high-pitched sound signature No check engine light issues Compatible with OEM downpipes Works with upgraded free-flow front pipes Seamless integration with factory components Optional valve control unit for sound management Double-layered tips for premium aesthetics Technical Advantages Single 3.5-inch mid-pipe design Equal-length configuration 2.75-inch diameter axle-back system Quad-chambered muffler design Grade 5 Titanium construction Optimized flow characteristics Modular system design Sound Enhancement Significantly improved exhaust note Customizable sound with valve control Enhanced acoustic character Deep, aggressive tone Variable sound profiles with valve control unit Performance Results Improved flow optimization Enhanced power across RPM range Better overall system efficiency Compatible with stock and modified setups Versatile performance gains Fitment 2020+ BMW G80 M3 2020+ BMW G82 M4 2020+ BMW G83 M4 Professional installation recommended