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2015 Audi A8 (D4/4H) 4.0T TFSI Cat-Back Exhaust System – Dual Mufflers, Retains OEM Valve Motors, Dual Rear Exit

Price range: $1,275.00 through $1,955.00

LIMITED TIME OFFER: DISCOUNT VALID FOR 24 HOURS

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SKU: 2015 Audi A8 (D4/4H) 4.0T TFSI Categories: , ,

Warranty service:3 years

Production cycle:10-15DAYS

 

Overview

2015 Audi A8 4.0T TFSI GFC Mid & Rear Section Cat-Back Exhaust System (Dual Mufflers, Dual Electronic Valves, Dual Exit)

For 2015 Audi A8 / A8L (D4) 4.0T TFSI V8

Cat-Back Exhaust | Dual-Muffler Dual-Valve Design | Symmetrical Dual-Exit Outlets | Plug-and-Play OEM Valve Compatibility

Upgrade Your 2015 Audi A8 4.0T TFSI with the GFC High-Performance Cat-Back Exhaust System, Featuring a Dual-Muffler / Dual-Valve Layout and a Symmetrical Dual-Exit Rear Setup.

Engineered specifically for the Audi A8 (D4) platform powered by the 4.0L TFSI Twin-Turbo V8 engine, this high-flow GFC exhaust system replaces factory mid-pipe and rear mufflers with precision-tuned piping and active valves. Designed to plug seamlessly into factory electronic valve actuators, it reduces backpressure, increases exhaust flow velocity, and unlocks a refined, aggressive V8 exhaust note on demand.

DETAIL

🔥 Key Feature

  • Custom Fitment: Precision-engineered specifically for 2015 Audi A8 / A8L 4.0T TFSI V8 models for direct-fit installation.

  • OEM Valve Motor Compatibility: Retains factory electronic valve control functionality for effortless switching between quiet luxury mode and aggressive V8 sport sound.

  • Dual-Muffler Tuning: High-flow dual rear mufflers optimize twin-turbo V8 gas flow and acoustics, significantly reducing backpressure and drone.

  • Symmetrical Dual Exit: Elevates the aggressive yet elegant rear styling of the A8 with a clean dual-exit exhaust finish.

  • Premium Construction: Crafted from high-grade, corrosion-resistant SUS304 Stainless Steel with precision TIG welding for maximum strength and long-lasting durability.

spec
Fitment: Audi A8
Engine:4.0T
System Type:Cat-Back Exhaust System (Mid & Rear Section)
Warranty:3 Years
Welding:Precision TIG Welded
Material:SUS304 Stainless Stee & Lightweight Titanium Alloy
Installation:Direct Bolt-On / Professional Installation Recommended
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.

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