Unlock the true sound and performance potential of your BMW F80 M3 / F82 M4 with the Fi Exhaust Front Pipe + Mid X-Pipe + Valvetronic Muffler + Quad Silver Tips. Designed specifically for the S55 twin-turbo engine, this full system delivers dramatically improved exhaust flow, sharper throttle response, and a deeper, more refined exhaust note—all while retaining OEM valve control (no remote needed).

The high-flow front pipe reduces backpressure from the turbochargers, while the mid X-pipe balances exhaust pulses for enhanced scavenging and a smoother, more cohesive tone. Paired with Fi’s Valvetronic muffler, the system offers the best of both worlds: quiet and comfortable with valves closed, raw and aggressive with valves open.

Finished with premium quad silver tips, this system adds a powerful motorsport presence to the rear of the M3/M4. Built from high-grade stainless steel with TIG-welded precision, this is a true bolt-on upgrade engineered for enthusiasts who refuse to compromise.

Key Features:

  • Retains OEM valve settings — no remote required
  • High-flow front pipe increases turbo efficiency
  • X-pipe design enhances exhaust scavenging and smooths tone
  • Valvetronic muffler provides adjustable sound with factory controls
  • Quad silver tips for a premium, aggressive finish
  • Precision TIG-welded stainless steel construction
  • Direct bolt-on fitment, no cutting required

Fitment:

  • 2014–2020 BMW F80 M3 (Compatible with 3.0L Twin-Turbo S55 engine)
  • 2014–2020 BMW F82 M4 (Compatible with 3.0L Twin-Turbo S55 engine)