Valvetronic Designs
BMW F30 / F22 / F36 / F32 Valved Sport Exhaust System (Axleback) F chassis
BMW F30 / F22 / F36 / F32 Valved Sport Exhaust System (Axleback) F chassis
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BMW F-Chassis Valved Axle-Back Exhaust System – Version 2
T304 Stainless Steel with Electronic Valves & Cast Y-Pipe
Overview
The Version 2 Valvetronic Designs F-Chassis Valved Exhaust is our most refined system yet for the BMW F-Series lineup. Designed for maximum performance, versatility, and longevity, V2 introduces a host of improvements, including a new valve design for optimal reliability, relocated hangers, and revised muffler internals for a more docile, refined tone when valves are closed.
A newly engineered cast Y-pipe maximizes exhaust flow and enhances tonal quality, delivering a more engaging and sonorous sound across the rev range. Whether paired with the OEM mid-pipe or most aftermarket mid-pipes matching factory dimensions, this system offers seamless fitment and an uncompromising sound experience.
Why It Works
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New Valve Design: Improved durability and responsiveness over previous versions.
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Refined Closed-Valve Acoustics: Reduced volume and smoother tone for daily driving comfort.
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Cast Y-Pipe Upgrade: Increases flow and improves exhaust scavenging for a richer, more balanced tone.
Sound & Control
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Valves Open: Deep, raw, and aggressive tone with loud pops, sharp overrun snaps, and pronounced gear-change sounds.
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Valves Closed: Near-stock volume for quiet commuting or late-night driving.
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Dynamic Drive Mode Integration: Fully compatible with BMW’s factory drive mode settings for instant sound control.
Construction & Quality
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Material: Brushed T304 stainless steel for strength and corrosion resistance.
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Craftsmanship: Precision TIG welds and full mandrel bends for optimal flow.
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Tips: Sleeve-style exhaust tips for perfect alignment and premium appearance.
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Valve System: OEM-style electronic valves with rapid open/close function; extension harness included.
Fitment (Includes xDrive models)
BMW 3 Series (F30 Sedan, includes xDrive)
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2012–2016 | BMW | 3 Series | 320i
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2012–2016 | BMW | 3 Series | 328i
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2016–2018 | BMW | 3 Series | 330i
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2012–2016 | BMW | 3 Series | 335i
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2016–2018 | BMW | 3 Series | 340i
BMW 4 Series (F32 Coupe / F33 Convertible / F36 Gran Coupe, includes xDrive)
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2012–2017 | BMW | 4 Series | 420i
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2012–2017 | BMW | 4 Series | 428i
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2017–2019 | BMW | 4 Series | 430i
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2012–2017 | BMW | 4 Series | 435i
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2017–2019 | BMW | 4 Series | 440i
BMW 2 Series (F22 Coupe, includes xDrive)
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2014–2016 | BMW | 2 Series | 228i
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2016–2019 | BMW | 2 Series | 230i
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2014–2016 | BMW | 2 Series | M235i
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2017–2019 | BMW | 2 Series | M240i
BMW 1 Series (F20 Hatchback – Europe/International, includes xDrive)
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2014–2017 | BMW | 1 Series | M135i
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2017–2019 | BMW | 1 Series | M140i
Installation Notes
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100% reversible—return to stock at any time.
- For non-m sport or 4 cyl applications, an m-sport style diffuser is necessary for dual tip fitment
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B58/B46 Owners: Requires minor mid-pipe modification – Learn More
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4-Cylinder Owners: Includes adapter pipe (weld recommended). Requires 6-cylinder diffuser or diffuser modification for proper tip exit.
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Non-Valve Cars: Use our Electronic Exhaust Valve Harness to enable in-car valve control.
What’s Included
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T304 stainless steel valved axle-back exhaust
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Cast Y-pipe assembly
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OEM-style electronic valves
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Extension harness for factory valve integration
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Sleeve-style exhaust tips
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All necessary clamps and hardware
Specifications
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Material: Brushed T304 stainless steel, Forged Carbon Fiber Exhaust tips
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Valves: OEM-style electronic, integrated with BMW drive modes
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Design: Cast Y-pipe with revised muffler internals for tonal refinement
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Finish: Brushed stainless
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