VANTA GOLD™ Exhaust System | G8X M3/M4
BMW G8X M3 / M4 VANTA GOLD™ Exhaust System — Yonristic Performance
A supercar sound. Engineered for the S58.
The VANTA GOLD™ Exhaust System is the most advanced exhaust Yonristic Performance has built for the BMW G80 M3, G82 M4, and G83 M4 Convertible. Built around the proprietary AURUM FLOW CORE™ — a 3D-printed, gold heat-treated convergence module — it delivers an exotic, structured tone across the entire rev range without rasp, breakup, or compromise.
Sound Character
- Idle / Low RPM — Deep, authoritative, and composed
- Mid-Range — Smooth and progressively aggressive
- High RPM — Clean, sharp, exotic tone with zero metallic rasp
- Valves Closed — Refined and daily-driver quiet
- Valves Open — Direct flow, sharper throttle response, full performance character
The AURUM FLOW CORE™
The AURUM FLOW CORE™ is a fully 3D-printed exhaust convergence module built specifically for the S58. Instead of colliding exhaust pulses like a traditional X-pipe, it uses sculpted internal flow paths to progressively align and equalize flow from both banks — reducing turbulence, maintaining velocity, and locking in a structured, exotic tone at every RPM.
Finished with a gold heat-resistant carbon-ceramic coating, it handles sustained high-RPM thermal load while keeping tone and airflow consistent across every heat cycle.
Not a resonator. Not an X-pipe. A purpose-built solution for the S58.
Performance Gains (Cat-Back / Valved Section)
| Configuration | HP Gain | Torque Gain |
|---|---|---|
| Cat-Back Only | +18–22 HP | +15–25 lb-ft |
| With MaxFlow Downpipes + Tune | Significantly higher | Significantly higher |
Gains are realistic planning ranges. Actual results vary by tune, dyno type, fuel quality, and vehicle condition.
For track-focused builds, pair with Yonristic Performance 3.5" MaxFlow Downpipes with Integrated Heat Shields (track use only; ECU tuning recommended).
Specifications
| System Type | Valved cat-back exhaust |
| Center Technology | AURUM FLOW CORE™ (3D-printed convergence module) |
| Coating | Gold heat-resistant carbon-ceramic |
| Valve Control | OEM integration retained; optional remote valve control module available |
| Construction | Precision TIG-welded |
| Installation | Direct bolt-on, factory mounting points — no cutting or welding |
| Fitment | BMW G80 M3 · G82 M4 Coupe · G83 M4 Convertible (S58) |
Limited Production — Pre-Order Only
VANTA GOLD is available by pre-order only with an estimated lead time of 15–20 business days. Production slots are limited, fulfilled in order received, and will extend once the current allocation fills.
Early orders secure earlier build slots.
📧 Email notifications are available but do not guarantee availability at release.
Giveaway Details & FAQs
Everything you need to know about the Midnight Garage Giveaway.
From entries to prize details — we’ve got you covered.
Every $10 spent on this giveaway product equals 1 entry. The more you purchase, the more entries you receive.
You can choose between a full vinyl color change wrap or front-end paint protection film (PPF) at Midnight Garage LA.
The winner will be announced on April 1st.
