Rvng Designed 4” True Single Valved Exhaust System (F80 M3/F82 M4)

Premium 4" True Single Valved Exhaust System for F80 M3 & F82 M4 Experience the ultimate in performance and sound with RVNG's first-ever 4" full true single midpipe quad-tip valved exhaust for the F8X S55 platform. This groundbreaking system replaces restrictive factory dual-pipe designs with a completely reimagined solution that delivers smoother, uninterrupted flow from downpipes to rear muffler. Key Features & Benefits: - 4" true single midpipe eliminates backpressure for improved turbo efficiency at higher RPMs - Deeper, refined exhaust tone with less rasp compared to smaller diameter systems - OEM-style electronic valve control — switch between quiet and aggressive sound modes - Stunning quad-tip configuration for aggressive styling - Fluid 4" diameter throughout with extended brace (no pipe squish) - 30-minute bolt-on installation — replaces OEM muffler and midpipe - Fully optimized high-flow design for maximum S55 performance Engineered from initial sketches through detailed 3D modeling and prototype testing, this exhaust system sets a new benchmark for the F8X platform. No compromises — just pure performance, refined sound, and head-turning style. Perfect for F80 M3 and F82 M4 owners demanding the best in exhaust performance and aesthetics.