Valvetronic Designs Sports Exo System with damper control for BMW M3/M4 F8x

BMW F8X M3 / M4 Damper-controlled Sports Equerbason-Equal-Length Catback in T304 or Titanium

Give your BMW F80 m3 or F82/F83 m4 the sound it should always have. From the factory they come something muted and dull but with a damaged sports exos system From Valvetronic Designs, you wake up the beast under the hood. This Equal-Length Catback system is designed to transform the characteristic, but sometimes sharp sound from the S55 engine into a deep and powerful exhaust sound.

The facility consists of a 2.75 "H-pipe center section that slides over in a 3.5 "Axle-back system with Quad-combed silencer. Open the dampers, and the exhaust flows freely out the passenger side for maximum sound and performance. Close them, and the exhaust is channeled through the chamber silencer and out the driver's side for a calmer, daily -friendly experience - completely without annoying drone sounds.

Choose between Grade 5 Titanium (49.2 lbs lighter than OEM) or T304 stainless steel (21.7 lbs lighter)-both fully-welded and mandrel bent for optimal flow and lifetime. The exhaust system is bolt-on And using the car's original attachment points - no cutting or welding necessary.

Highlights:

• Full Equal-Length Catback system with damper control

• H-Pipe Design For smoother and more balanced exhaust sound

• Optional material: T304 stainless steel or grade 5 titanium

• Quad-combed silencer: Quiet by closed damper-raw V6 sound by open

• Electronic exhaust dampers with accompanying remote control

• Compatible with OEM damper control (optional)

• Lightweight design: Up to 22 kg lighter than the original system

• No modifications required - 100 % reversible mounting

• Tip: 4 x 3.5 "in brushed finish

• For best sound quality, 200-Cell High Flow Downpipes is recommended

✅ Suitable for:

• BMW M3 F80 (2015–2018)

• BMW M4 F82 Coupé (2015–2020)

• BMW M4 F83 Cabriolet (2015–2020)

🛠️ Mounting:
We offer professional assembly through our partners in Norway.
Contact us at info@kongperformance.no For guidance and price quote.

📦 Delivery:
The product is often in stock at the supplier with Expected delivery time of approx. 2-3 weeks.
Contact us for updated status and shipping options.