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2017 BMW 340i F30 B58 3.0T GFC Cat-Back Exhaust Single Muffler | Dual Valves | Dual 89mm Carbon Fiber Tips | 76mm Piping

Original price was: $1,399.00.Current price is: $1,199.00.

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SKU: 2017 BMW 340i F30 B58 3.0T-Catback Categories: ,

Warranty service:3 years

Production cycle:10-15DAYS

Overview

GFC Cat‑Back Exhaust System

For 2017 BMW 340i F30

Single Muffler | Dual Valves | Dual 89mm Carbon Fiber Tips | 76mm Piping | Direct Bolt‑On


Sporty Sound. Everyday Comfort.

Transform your B58‑powered 340i with this GFC valved cat‑back exhaust system — engineered to deliver a deeper, richer tone while maintaining smooth daily drivability. Dual electronic valves let you customize your sound at the push of a button: quiet and refined for cruising, or bold and expressive when opened.

DETAIL

🔥 Key Features

Dual Electronic Valves
Instant control over exhaust character — refined and comfortable with valves closed, bold and engaging when opened.

Single High‑Flow Muffler
Optimized for improved flow and balanced tone with minimal cabin drone.

Dual 89mm Carbon Fiber Tips
Premium carbon fiber finish with performance styling and a motorsport‑inspired aesthetic.

76mm Piping Diameter
Oversized piping enhances exhaust flow, reduces back‑pressure, and contributes to a deeper, stronger exhaust note.

Performance‑Tuned Design
Improved exhaust efficiency sharpens throttle response and enriches sound character at all RPM ranges.

Premium Stainless Steel Construction
Heat‑resistant and corrosion‑resistant materials built for long‑term durability.

Direct Bolt‑On Installation
No cutting or welding required — designed for precise fitment on the F30 chassis.

spec
Fitment: 2017 BMW 340i F30 (B58 3.0T)
System Type: Cat‑Back Exhaust
Valve System: Dual Electronic Valves
Muffler Setup: Single Muffler
Exit Style: Dual 89mm Carbon Fiber Tips
Piping Diameter: 76mm
Material: Stainless Steel
Installation: Direct Bolt‑On
Warranty: 3 Years
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We are a 15-year-old factory specializing in manufacturing high-quality automobile exhaust systems and accessories. Our product range includes exhaust manifolds, downpipes, cat-back exhausts, mufflers, electronic valves, exhaust tips, and other auto parts.

Why Choose Our Exhaust Systems?

Perfect Fit: Manufactured according to the original car’s mounting holes, ensuring 100% installation compatibility.
Experience & Expertise: With over 13 years in exhaust production and sales, we have molds for the most popular models, widely praised by our customers.
Advanced Mufflers: Our factory-developed mufflers provide a silencing effect close to the original exhaust, delivering a comfortable driving experience.
Electronic Valve Control: Equipped with our latest electronically controlled valves, allowing you to adjust the exhaust sound freely.
Reliable Production & Delivery: Independently produced in our factory, with 100% order fulfillment and guaranteed delivery times.
Customized Services: We offer tailored exhaust solutions for various car models according to your needs.

Our Expertise

For 15 years, we have specialized in manufacturing, producing, and selling automobile exhaust systems, with thousands of original exhaust models in our database. Our coverage includes brands such as:

Porsche | BMW | Mercedes-Benz | Audi | McLaren | Ferrari | Mitsubishi | Lamborghini | Bentley | Subaru | Aston Martin | Toyota | Volkswagen | Cadillac | Camaro | Dodge | Jaguar | Nissan | Alfa Romeo | Maserati

If you have a specific model and custom requirements, click here to inquire and contact us. We will provide professional solutions tailored to your vehicle.

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faq

  • What vehicles is this catback exhaust system compatible with?

    This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.

  • What does “catback” mean, and how is it different from other exhaust systems?

    This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.

  • What performance benefits will I gain from installing this catback exhaust?

    This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.

  • Is this exhaust system street-legal? Does it comply with emissions laws?

    This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.

  • Can I install this exhaust myself, or do I need a professional?

    This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.