2013 Audi S8 D4 4.0L GFC Valved Cat-Back Exhaust Dual Mufflers | Dual Valves | Quad Exit

Original price was: $1,699.00.Current price is: $1,499.00.

Discount valid for 24 hours

Car Model

Color

Material
304 Stainless Steel
Size
1.5mm
Exhaust tips

Clear selection

SKU: 2013 Audi S8 D4 4.0L GFC Valved Cat-Back Categories: Audi Series, Products

Warranty service:3 years

Production cycle:10-15DAYS

Video
Overview
Spec
Detail
Review
FAQ

Overview

GFC Valved Cat-Back Exhaust System

For 2013 Audi S8 D4 4.0L

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

Executive Luxury. Unleashed V8 Power.

Built for the twin-turbo 4.0L V8 S8 D4, this GFC Valved Cat-Back system transforms the factory sound into a deeper, more commanding performance tone — while preserving the comfort expected from a flagship sedan.

Open the dual valves to release a bold V8 growl with aggressive character. Close them for refined, near-OEM cruising suitable for daily driving or long-distance travel.

DETAIL

Key Features

Dual Electronic Valves
Instant control over volume and tone with the push of a button.

Dual Muffler Configuration
Balanced acoustics with minimized cabin drone.

Quad Exit Design
Sport-inspired rear styling that enhances presence without compromising luxury aesthetics.

Performance-Optimized Flow
Improved exhaust efficiency for sharper throttle response and stronger V8 sound.

Premium Stainless Steel Construction
Heat-resistant, corrosion-resistant, and built for long-term durability.

Direct Bolt-On Installation
Engineered specifically for the S8 D4 platform — no cutting or welding required.

spec

Fitment:	2013 Audi S8 D4 4.0L
System Type:	Valved Cat-Back
Valve System:	Dual Electronic Valves
Muffler Setup:	Dual Mufflers
Exit Style:	Quad Tips
Material:	Stainless Steel
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:

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.

logistics

Review (0)

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.