MAD BMW 540 G30 2017-2023 B58 Axle Back Exhaust
The MAD 540 Axle Back is built for B58-powered G30 owners who want a deeper, more confident exhaust note and freer-flowing performance without turning their luxury sedan into a race car. It's a clean, bolt-on upgrade over the muted factory system.
Highlights
- Premium stainless steel: corrosion-resistant and built to last as a permanent addition to the car.
- Freer flow: the redesigned pathway cuts backpressure so the engine breathes easier and pulls harder.
- Sound profile: deep and resonant with real presence, but tuned to stay sophisticated rather than rowdy — and free of cabin drone.
- Aggressive 90mm tips for a purposeful look at the rear.
- Bumper compatibility: works with both M Sport and non-M Sport bumpers (non-M Sport requires no diffuser).
- Direct bolt-on: integrates with the factory layout — no major modifications needed.
Fitment
BMW 540i (G30), 2017–2023, B58 engine.
Available now from KORE SPEED, proudly Canadian-owned. For fitment help, email support@korespeed.com.
Pairs well with
MAD BMW 540 G30 2017-2023 B58 Axle Back Exhaust
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