Unlock the hidden character of your BMW M2 Competition or M2 CS S55 with the Valvetronic Designs equal-length valved cat-back, for a smoother, richer tone with full sound control.
The S55 in the M2 Competition and M2 CS delivers exceptional performance, but its stock exhaust note leaves much to be desired: buzzy, raspy and lacking the refined aggression enthusiasts expect. This equal-length valved cat-back solves that, unlocking the hidden character of the S55 while preserving the excitement and volume owners crave.
The system combines a 2.75-inch equal-length mid-section with an H-pipe and a 3.5-inch axle-back, delivering a smoother, richer tone across the rev range. With the valves open, exhaust gases exit freely through the passenger-side tips for maximum presence. With the valves closed, gases are routed through the quad-chamber muffler and driver-side tips for a quieter, more refined sound, perfect for daily driving. Direct bolt-on fitment means installation is seamless, mounting to factory points without permanent modifications.
Key features
- Equal-length mid-section that balances exhaust pulses for a smoother, more pleasant tone without sacrificing aggression
- H-pipe integration that improves exhaust scavenging for a fuller, richer sound
- Dual sound modes: raw, motorsport tone (open) or comfortable refinement (closed)
Sound and control
- Valves open: aggressive, free-flowing tone with improved top-end character
- Valves closed: stock-like volume and tone for discreet driving
- Electronic valve control: includes remote controller; OEM valve integration optional
Construction and options
- Materials: T304 stainless steel or Grade 5 titanium
- Weight savings: –20.9 lb (stainless) / –47.3 lb (titanium) compared to OEM
- Craftsmanship: precision TIG welds and fully mandrel-bent tubing
- Tips: premium tips available in multiple finishes to match your style
Fitment
- 2018+ BMW F87 M2 Competition
- 2020 BMW M2 CS
Installation
- Direct bolt-on installation to OEM mounting points
- 100% reversible, return to stock at any time
- Note for S55 owners: on race or free-flow downpipes, "2k rpm rasp" may be present during low-rpm shifts. For the most refined tone, we recommend high-flow (200 cell) catalytic converters
What's included
- 2.75" equal-length H-pipe mid-section
- 3.5" axle-back with quad-chamber muffler
- Electronic valve system with controller (OEM integration optional)
- All required clamps and hardware
Specifications
- Mid-section diameter: 2.75" equal-length with H-pipe
- Axle-back diameter: 3.5"
- Material: T304 stainless steel or Grade 5 titanium
- Valves: electronic, rapid open/close
- Weight savings: –20.9 lb (stainless) / –47.3 lb (titanium) vs OEM
- Design: quad-chamber muffler for refined closed-valve tone
Why buy from Vero Motorsport
Vero Motorsport is an authorised Valvetronic Designs dealer, with fast Australia-wide shipping and expert support before and after your purchase.
Order online today and add the M2 Competition / M2 CS valved cat-back to your cart.
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Not sure if a part fits your vehicle? Contact us with your make, model, and year before ordering. We will confirm compatibility so you order the right part the first time.
Every product is covered by a 12-month manufacturer-backed warranty from the date of purchase.
Vero Motorsport works with a national network of authorised installers. Contact us with your location and fitment requirements for a recommended workshop in your area.



































