Valvetronic Designs 2012-2021 BMW F30 / F22 / F36 / F32 Valved Sport Exhaust System (Axleback) F chassis
Valvetronic Designs Version 2 — the most refined F-Chassis valved axle-back yet. New cast Y-pipe, revised muffler internals for a more docile closed-valve tone, OEM-style electronic valves integrated with BMW drive modes. T304 stainless, 3.5″ sleeve tips, 5 finish options. Fits F30 / F32 / F33 / F36 / F22 / F20 (includes xDrive). Built-to-order, 4–6 week lead time.
Valvetronic Designs · Version 2 · F-Chassis
Valved Axle-Back Exhaust — The Refined Generation
Valvetronic’s most evolved F-Series system to date. New valve hardware for long-term reliability, relocated hangers, revised muffler internals for a more docile closed-valve tone, and a brand-new cast Y-pipe that maximizes flow and gives the system a richer, more sonorous voice across the rev range. Pairs seamlessly with the OEM mid-pipe or any aftermarket mid-pipe at factory dimensions.
Why Version 2 Works
Built To Last
Re-engineered electronic valve mechanism with improved durability and rapid open/close response — the highest-mileage iteration of the platform yet.
Refined Daily Tone
Revised muffler internals reduce volume and smooth the closed-valve tone — near-stock cabin levels for early-morning commutes and HOA-friendly idling.
Sonorous Flow
Brand-new cast Y-pipe replaces fabricated equivalents — better exhaust scavenging, richer tone, more balanced harmonic across the RPM range.
Two Cars In One
Valves Open: Deep, raw, aggressive. Loud overrun pops, sharp gear-change snaps, theatrical at WOT.
Valves Closed: Near-stock volume. Quiet commute. Late-night driving without waking the neighbors.
Drive Mode Integration: Fully compatible with BMW’s factory drive modes. Eco/Comfort closes the valves; Sport/Sport+ opens them. Instant switching from the wheel.
Hear It In Action
Configuration Pricing
Choose your tip finish on the configurator above. Five options — all with 3.5″ outlet, all featuring sleeve-style alignment for OEM-grade fit.
Brushed T304
Black-Coated
Heat-Burnt
1×1 Weave Carbon
Forged Carbon
Construction & Quality
- Material
- T304 stainless steel — high tensile strength, exceptional corrosion resistance
- Welds
- Precision TIG, fully-purged, zero spatter
- Bends
- Full mandrel for unrestricted exhaust flow
- Tips
- Sleeve-style for OEM-grade alignment and a premium aesthetic
- Valves
- OEM-style electronic with rapid open/close cycling; extension harness included
- Y-Pipe
- New cast assembly — superior flow vs. fabricated equivalents
- Outlet
- 3.5″ sleeve-fit tips (all variants)
What’s In The Box
- T304 stainless steel valved axle-back exhaust system
- Cast Y-pipe assembly
- OEM-style electronic valves (qty 2)
- Extension harness for factory valve plug-and-play integration
- Sleeve-style exhaust tips (per chosen finish)
- All required clamps, gaskets, and mounting hardware
Installation Notes
Reversibility: 100% reversible — return to stock at any time.
Diffuser: Non-M Sport or 4-cyl applications need an M-Sport-style diffuser for proper dual-tip fitment.
B58 / B46 Owners: Requires a minor mid-pipe modification — read Valvetronic’s mid-pipe mod guide before install.
4-Cylinder Owners: Adapter pipe included (weld-in recommended). Requires a 6-cyl-style diffuser or modification of the existing diffuser for tip exit alignment.
Non-Valve Cars: Add Valvetronic’s electronic exhaust valve harness to enable in-car valve control on cars without factory valves.
Lead Time: Built-to-order — allow 4–6 weeks from order to ship. Status updates throughout.
Fitment (includes xDrive models)
| Make | Model | Years | Chassis |
|---|---|---|---|
| BMW | 320i | 2012–2016 | F30 |
| BMW | 328i | 2012–2016 | F30 |
| BMW | 330i | 2016–2018 | F30 |
| BMW | 335i | 2012–2016 | F30 |
| BMW | 340i | 2016–2018 | F30 |
| BMW | 420i | 2012–2017 | F32 / F33 / F36 |
| BMW | 428i | 2012–2017 | F32 / F33 / F36 |
| BMW | 430i | 2017–2019 | F32 / F33 / F36 |
| BMW | 435i | 2012–2017 | F32 / F33 / F36 |
| BMW | 440i | 2017–2019 | F32 / F33 / F36 |
| BMW | 228i | 2014–2016 | F22 |
| BMW | 230i | 2016–2019 | F22 |
| BMW | M235i | 2014–2016 | F22 |
| BMW | M240i | 2017–2019 | F22 |
| BMW | M135i | 2014–2017 | F20 |
| BMW | M140i | 2017–2019 | F20 |
Quick Specs
- Material
- Brushed T304 stainless steel
- Valves
- OEM-style electronic, integrated with BMW drive modes
- Design
- Cast Y-pipe + revised muffler internals for tonal refinement
- Outlet
- 3.5″ sleeve-fit (all finishes)
- Driveline
- RWD & xDrive (AWD) compatible
- Reversibility
- 100% bolt-on — return to stock at any time
- Manufacturer
- Valvetronic Designs — built in-house, made-to-order
- Lead Time
- 4–6 weeks (built-to-order)
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