2021 BMW Z4 2.0T HKG Cat-Back Exhaust Single Muffler | Dual Valves | Dual Exit

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

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Car Model

Color

Material
304 Stainless Steel
Size
1.5mm
Exhaust tips

Clear selection

SKU: 2021 BMW Z4 2.0T Categories: BMW Series, Products

Warranty service:3 years

Production cycle:10-15DAYS

Video
Overview
Spec
Detail
Review
FAQ

Overview

HKG Cat-Back Exhaust System

For 2021 BMW Z4 2.0T (G29)

Single Muffler | Dual Valves | Dual Exit | Direct Bolt-On

Sporty Sound. Open-Top Driving.

Upgrade your BMW Z4 with this HKG cat-back exhaust system, designed to enhance exhaust flow and deliver a deeper, more engaging sound while maintaining smooth daily drivability. Perfect for the roadster experience, the system adds a sportier tone that complements open-top driving.

With dual electronic valves, you can switch between a quiet cruising mode and a more aggressive performance sound whenever desired.

DETAIL

🔥 Key Features

Dual Electronic Valves
Instantly adjust your exhaust tone — refined and quiet when closed, bold and sporty when opened.

High-Flow Single Muffler
Optimized exhaust design improves flow while maintaining balanced acoustics and minimal cabin drone.

Dual Exit Configuration
Clean and sporty rear appearance with symmetrical dual exhaust tips.

Performance-Optimized Piping
Improves exhaust efficiency for sharper throttle response and richer exhaust sound.

Premium Stainless Steel Construction
Durable, corrosion-resistant materials designed for long-term performance.

Direct Bolt-On Installation
Precision-engineered for the Z4 G29 chassis with no cutting or welding required.

spec

Fitment:	2021 BMW Z4 2.0T (G29)
System Type:	Cat-Back Exhaust
Valve System:	Dual Electronic Valves
Muffler Setup:	Single Muffler
Exit Style:	Dual Tips
Material:	Stainless Steel
Installation:	Direct Bolt-On
Warranty:	3 Years

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:

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.