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Material cost is only part of the answer. Titanium demands tighter heat control, full inert-gas shielding and more careful handling at every step - and mistakes cannot be dressed out.

A New Thermal Problem — The S68 in the G90 M5 and G99 Touring is the first M5 powertrain where the intake path shares a bay with a battery pack. That changes what an intake component is being asked to survive, and it changes how material choice should be judged.

Not a Sound Upgrade — a Heat Decision. On the G90 M5 and G99 Touring, the front-mount intake pipe is not simply a path for air. It sits in the one bay where a hybrid V8 dumps heat from two turbos, an electric motor and a battery pack at the same time. That makes material choice a thermal decision before it is a cosmetic one.

We work primarily in 304 stainless for exhaust components. Here is what the grade actually controls, and when a higher-chloride-resistance option is worth asking about.

Both resist corrosion and both weld cleanly, but they behave differently. Here is what actually changes between a titanium system and a stainless one.

Matching is a measurement problem, not a guess. Here is what to photograph and measure so a new section meets the system already on your car.

Chassis coverage is identical between titanium and stainless. Material is a separate decision based on weight, sound, budget and how you use the car.

Valved and non-valved cars differ in the rear section and in the control routing. Here is what to tell us so your aftermarket system keeps the valve function working.