Valved Stainless Exhaust System - BMW F30 340i 440i B58 3.0T

Sale price$1,999.99 USD
Will this fit your vehicle?

TÜV / ISO TESTED90-DAY WARRANTYNo Additional Taxes USA Wide
Description

The Valved Stainless Exhaust System for BMW F30 340i / 440i B58 3.0T is a high-performance exhaust upgrade designed to enhance both the sound and performance of your BMW 340i or 440i equipped with the B58 3.0L turbocharged engine. Crafted from premium stainless steel, this exhaust system offers the perfect blend of aggressive acoustics and substantial power gains while maintaining the flexibility to adjust the sound level to suit different driving environments.

Features:

  • Valved Exhaust Technology: The integrated valved exhaust system allows for dynamic sound control, providing the best of both worlds. At lower RPMs, the system maintains a refined, subtle exhaust note, ideal for daily driving or highway cruising. When you engage the valves, the exhaust opens up to produce a deep, aggressive growl that enhances the sporty character of the B58 engine, delivering a thrilling sound during spirited driving or track use.

  • Premium Stainless Steel Construction: Built to last, the system is constructed from high-quality stainless steel, ensuring durability, corrosion resistance, and long-lasting performance. This material is designed to withstand high temperatures and the stresses of performance driving, guaranteeing reliability and endurance over time.

  • Improved Exhaust Flow & Performance Gains: The design of the exhaust system enhances exhaust gas flow, reducing backpressure and allowing the B58 engine to breathe more freely. This results in increased horsepower and torque, improving acceleration, throttle response, and overall performance, especially at higher RPMs.

  • Aggressive Sound Profile: With the valves open, the exhaust system produces a more aggressive, full-bodied exhaust note that perfectly complements the sporty performance of your BMW 340i or 440i. The deeper tone amplifies the engine’s natural sound, making each drive more engaging and exciting.

  • Adjustable Sound Levels: The valved system offers the ability to control the sound output based on driving conditions. You can switch between a quieter mode for relaxed driving and a louder, more aggressive tone for performance driving. The sound can be adjusted via driving modes or an optional remote control, giving you complete flexibility to suit your preferences.

  • Precision Fitment: Specifically designed for the BMW F30 340i / 440i B58 3.0T, this exhaust system offers a direct, bolt-on fitment, ensuring a hassle-free installation process. There’s no need for additional modifications, making it a convenient upgrade for enthusiasts looking for a seamless integration with their BMW.

  • Enhanced Turbo Sound: The system helps emphasize the turbo sounds and engine growl, creating an exhilarating auditory experience as the turbocharger spools. This adds a layer of excitement to every drive, making the B58 engine’s performance more thrilling.

  • Visual Appeal: Featuring polished exhaust tips, the system adds a sophisticated, sporty look to the rear of your BMW F30 340i / 440i. The sleek design complements the vehicle’s aggressive styling and highlights the performance-oriented nature of the car.

  • Long-Lasting Performance: The stainless steel construction ensures the system is not only durable but also resistant to rust and degradation, even under the harshest driving conditions. This makes it a reliable and low-maintenance upgrade for your BMW.

  • Potential Fuel Efficiency Benefits: The enhanced exhaust flow may contribute to better fuel efficiency by reducing engine strain, allowing for more efficient combustion and smoother engine operation.

The Valved Stainless Exhaust System for BMW F30 340i / 440i B58 3.0T is the ideal performance upgrade for those looking to improve the sound, power, and appearance of their BMW. Offering an aggressive exhaust note with adjustable sound levels, increased horsepower and torque, and durable construction, it enhances your driving experience while maintaining the flexibility to adapt to various driving conditions.

Returns30-day on defects
Shipping50+ Countries
InstallmentKlarna · Afterpay
SupportMon–Fri, 10–5 PT

Why Thousands of
Enthusiasts Trust Us

The Carbon Industries delivers premium, precision-engineered parts that elevate Mercedes performance and style—backed by expert support and a true passion for the culture.


  • Vehicle-Specific Fitment
    Vehicle-Specific Fitment
    Each part is designed for a specific make, model and generation. Enter your vehicle to confirm it fits before you buy.
  • Premium Materials, Always
    Premium Materials, Always
    We use only high-quality carbon fiber construction known for lightweight strength and durability.
  • UV Protection
    UV Protection
    Finished with a UV-resistant clear coat that protects against fading and discoloration.
Why Thousands of <br>Enthusiasts Trust Us
BMW G80

Your hands will know the difference

A custom carbon fiber steering wheel isn't just a look, it's the first thing you touch every time you drive. The weave, the weight, the grip, all built around your car and your style, so the cockpit feels as dialed-in as the rest of the build.

Shop now
lamborghini huracan

The material every serious builder need

Carbon fiber isn't a trend, it's what separates a serious build from a show car. Strength without the weight, precision without the guesswork. On modern performance cars, it's stopped being an upgrade and started being the standard. We just make sure yours fits like it was born there.

Shop now

Built for the ones who notice gaps

You've seen our work. You just didn't know it.

We've seen the horror stories — panel gaps, mismatched clearcoat, parts that "should" fit. Not here. Every piece is checked against the car it's going on, not just the spec sheet. That's why the same names keep coming back.

GOT QUESTIONS?

FREQUENTLY ASKED QUESTIONS

Identify Your Vehicle

Find your exact chassis code to ensure 100% fitment.

VIN Decoder

The most accurate way is to check your 17-digit Vehicle Identification Number.