14/10/2026
BMW G45 X3 (B48B / B58B) 20 / M50 GPF | Stone Valvetronic Catback Exhaust System
Unleash the acoustic presence and sharper throttle response restricted by factory OPF/GPF mufflers, while preserving 100% luxury SUV cruising comfort. 🔊💥
Upgraded:
🔥 Stone Signature Valvetronic Catback Exhaust System
• Smart Electronic Valve Control: Instant switch from aggressive sports roar to whisper-quiet cruising at the push of a button
• 100% Cabin Drone-Free: Precision acoustic engineering completely eliminates highway low-frequency resonance
• Optimized Exhaust Flow: Significant backpressure reduction for faster spool & sharper throttle response
• Premium SUS304 Stainless Steel: Handcrafted with precision TIG fish-scale welds
• Direct OEM Fitment: 1:1 factory mounting points paired with aggressive quad exhaust tips
Swipe through the album to inspect the craftsmanship, weld details, and undercarriage fitment! 👉
Worldwide express shipping & dealer inquiries welcome! 📩
☎️ Tel: +886 2 2908 2002 / (02) 2908-2002
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