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For BMW X3 X4 G01 G02 M40i B58 3.0t Exhaust Pipe 304 Stainless Steel Car Exhaust System

Price range: $1,432.00 through $2,282.00

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SKU: BMW X3 X4 G01 G02 M40i B58 3.0t Categories: , ,

Warranty service:3 years

Production cycle:10-15DAYS

Overview

GFC High-Performance Cat-Back / Axle-Back Exhaust System

For BMW X3 / X4 G01 G02 M40i (B58 3.0T)

Valved | Dual Mufflers | Quad Exit | Direct Bolt-On


Unleash Enhanced B58 Turbo Performance & Tailored Exhaust Flow.

Designed specifically for the BMW X3 M40i (G01) and X4 M40i (G02) equipped with the powerful B58 3.0T engine, this GFC high-performance exhaust system combines precision-engineered mandrel-bent piping, integrated electronic control valves, and high-flow mufflers. It allows you to optimize your exhaust gas scavenging while delivering a deep, aggressive straight-six acoustic roar and a much sharper throttle response.

Open the valves for a bold, track-ready exhaust note that highlights the signature B58 rumble. Close them for a refined, drone-free daily driving experience. Crafted from Premium SUS304 Stainless Steel, this custom-engineered system gives your BMW performance SUV the aggressive sound, improved power delivery, and long-lasting durability it truly deserves.

DETAIL

🔥 Key Feature

  • Electronic Valves & Remote Control

    • Switch effortlessly between an aggressive, head-turning performance roar and a quiet, drone-free daily driving experience in a matter of seconds.

  • B58 3.0T Exhaust Tone Enhancement

    • Unleashes a deeper, more aggressive, and resonant acoustic profile that accentuates the signature performance sound of the turbocharged 3.0L inline-six engine.

  • Performance-Optimized Flow

    • Precision mandrel-bent piping significantly reduces backpressure and improves exhaust gas scavenging, delivering a noticeable boost in horsepower and instant throttle response.

  • Precision Fitment for G01 & G02

    • Engineered specifically as a direct-fit replacement for the BMW X3 M40i and X4 M40i platforms, aligning perfectly with factory mounting points.

  • Premium SUS304 Stainless Steel Construction

    • Built entirely from high-grade SUS304 stainless steel for exceptional corrosion resistance, structural integrity, and long-term durability under high heat.

  • Direct Bolt-On Installation

    • Utilizes factory mounting locations and hanger positions, ensuring a precise installation without requiring custom cutting or welding.

spec
Fitment: BMW X3 M40i (G01) / X4 M40i (G02)
Year:2018-2024
Engine:3.0L B58 Turbocharged Inline-6
System Type:Cat-Back / Performance Exhaust System
Valve System:Electronic Control Valves
Material:SUS304 Stainless Steel/Full Titanium Alloy
Installation: Direct Bolt-On
Warranty: 3 Years
COMPANY VIDEO

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.