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2021 Mercedes-Benz CLS 450 C257 3.0T M256 Modified with GFC Catless Downpipe (Straight-Through Front Pipe)

Original price was: $503.00.Current price is: $427.00.

Discount valid for 24 hours

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SKU: 2021 Mercedes-Benz CLS 450 C257 3.0T M256 Categories: , ,

Warranty service:3 years

Production cycle:10-15DAYS

Overview

GFC Catless Downpipe (Straight-Through Front Pipe)

For Mercedes-Benz CLS 450 C257 3.0T (2021)

Catless Straight-Through Design | Maximum Exhaust Flow | Turbo Spool Optimization | Premium 304 Stainless Steel

Unleash Maximum Exhaust Flow and Turbo Response for Your 2021 Mercedes-Benz CLS 450 C257.

Engineered specifically for the 2021 Mercedes-Benz CLS 450 powered by the smooth 3.0L turbocharged M256 inline-six engine with 48V mild hybrid tech, this GFC catless downpipe completely eliminates the restrictive factory catalytic converter. By utilizing a straight-through flow design, it reduces backpressure to the absolute minimum, allowing your turbocharger to spool significantly faster and unleashing an aggressive, deep inline-six exhaust note.

Crafted for Maximum Performance and Durability Manufactured from high-grade 304 stainless steel with smooth mandrel bends, this downpipe is built to withstand extreme exhaust temperatures under high-boost conditions. Designed for track use or ECU-tuned applications, it dramatically improves mid-to-high-range power delivery and gives your luxury four-door coupe a true race-inspired personality. (Note: Professional ECU tuning or a secondary O2 sensor spacer is recommended to prevent check engine lights.)

DETAIL

🔥 Key Feature

  • Catless Straight-Through Architecture Completely removes the factory catalytic restriction to establish an unrestricted path for exhaust gases, maximizing scavenging efficiency.

  • Drastic Improvement in Turbo Spool Eliminates massive backpressure right off the turbocharger, resulting in lightning-fast boost response and sharper throttle acceleration.

  • Aggressive Exhaust Tone & Acoustic Upgrade Amplifies the natural inline-six exhaust growl of the M256 engine, bringing out a deeper, more aggressive roar under acceleration.

  • Premium 304 Stainless Steel Construction Built from heavy-duty, high-grade stainless steel to ensure exceptional thermal resistance, durability, and corrosion protection.

  • Precision TIG-Welded Finish Expertly hand-welded using TIG techniques to guarantee smooth internal gas transitions, structural strength, and a reliable, leak-free seal.

  • Direct Bolt-On Factory Fitment Engineered to match the factory turbocharger V-band flange and OEM mounting locations, ensuring a precise fit tailored specifically to the Mercedes-Benz C257 platform.

spec
Fitment: Mercedes-Benz CLS 450 C257 (2021)
Engine:3.0T
System Type:Catless Downpipe / Straight-Through Front Pipe by GFC
Warranty:3 Years
Welding:Precision TIG Welded
Material:Premium 304 Stainless Steel 
Installation:Direct Bolt-On
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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