Armytrix BMW G22 M440i OPF (2021-Present) valvetronic exhaust system

Unleash the full symphony of the B58 engine with the ARMYTRIX Valvetronic Exhaust System, precision-built for the BMW G22 M440i (2021–Present) with OPF (Gasoline Particulate Filter). This high-performance exhaust integrates flawlessly with your factory valvetronic controls, allowing you to control the sound directly through your vehicle’s drive modes—no app or extra remotes needed.

Engineered for the modern M440i driver, this system offers enhanced flow, bold sound, and seamless OEM integration, while the full system (cat-back + downpipe) includes the exclusive ARMYNATOR and a fault-code clearing mechanism that helps prevent check engine lights due to OPF or catalytic upgrades.

Fitment:

• Model: BMW M440i Coupé

• Chassis: G22

• Years: 2021–Present

• Engine: B58B30 3.0L Turbocharged Inline-6 (OPF-equipped)

• Drive Orientation: Left-Hand Drive & Right-Hand Drive Compatible

• VIN Verification: Strongly recommended before purchase due to system variations

Key Features:

• OE Valvetronic Integration:
  Full compatibility with your BMW’s factory drive mode selector—valves open and close based on your car’s built-in controls

• Pipework:
  Free-flowing 3.5” stainless steel main piping, expertly TIG-welded for strength, tone, and maximum performance

• Exhaust Tips:

• Quad 3.5” tips with a motorsport-inspired design and premium finishes for a bold rear presence

• CEL-Prevention (Full System Only):
  The full system includes Armytrix’s exclusive fault-code clearing mechanism, designed to reduce the risk of check engine lights caused by OPF or cat-related upgrades

• Direct Bolt-On Installation:
  Precision-fit to OEM mounting points—no cutting, no welding required

• Armynator Included (Full System Only):
  Unlock full exhaust intelligence with the Armynator, included with the purchase of a complete system (cat-back + downpipe)

Valvetronic Sound Modes (via OE Controls):

• Comfort Mode: Valves closed – subtle, composed tone for daily driving

• Sport / Sport+ Mode: Valves open – deep, aggressive growl with race-bred character

• Adaptive Control: Valves respond dynamically based on engine load and throttle input

What’s Included:

• ARMYTRIX Valvetronic Cat-Back Exhaust System

• Quad 3.5” Exhaust Tips

• Mounting Hardware & Install Guide

• Armynator Module (Included only with purchase of full system – catback + downpipe)

Important Notes:

• Designed for OPF-equipped BMW G22 M440i with B58B30 engine

• Factory valvetronic system integration – no external remote required

• VIN check required prior to ordering to ensure exact fitment

• CEL-prevention and Armynator are included with full system (cat-back + downpipe) only

Where Factory Refinement Meets Unrestrained Power

Upgrade your G22 M440i with the ARMYTRIX Valvetronic Exhaust System—a premium blend of OEM-level integration and track-inspired performance. With quad tips, seamless valve control, and CEL-safe tuning, this is more than an exhaust—it’s your gateway to a more exhilarating drive.