The F90 M5 carries on the S63 4.4L twin-turbo legacy—but its factory exhaust leaves the soundtrack on mute. The Valvetronic Designs Valved Titanium Cat-Back unlocks the voice this car deserves: refined when you want it, ferocious when you don’t.

Built from Grade 5 titanium with 3.0" tubing from inlet to outlet, the system integrates seamlessly with factory control or runs on a standalone remote for full command in any drive mode. Finish it with your choice of premium tips and let the M5 sing.

Features:

• Tubing Diameter: 3.0" inlet to outlet

• Material: Grade 5 titanium

• Valves: Electronic; standalone remote or OEM integration

• Weight Savings: 56.5 lb vs. OEM

• Design: Forward X-pipe for scavenging and tonal balance; drone-free calibration

What's Included:

• Full Grade 5 titanium valved cat-back system

• Forward large cross-section X-pipe

• Electronic valves with standalone remote (factory integration harness option)

• All necessary clamps and hardware