What vehicles does the Fi Exhaust W205 C63 system fit?

It's built for the Mercedes-AMG W205 C 63 and C 63 S, 2014-2021, both with the 4.0L twin-turbo V8.

What's the difference between the stainless and titanium versions?

Every component, including the valves, clamps, and screws, is crafted from titanium on that version, cutting approximately 46% of the weight versus stainless while holding the same strength and sound quality.

Can I use the Fi Pro App Remote with the factory electric valve?

No. The Fi Pro App Remote is not compatible with the OEM electric valve; you'll need to choose one or the other when configuring your system.

How much does this exhaust cost?

Pricing ranges from $3,300 to $7,800 depending on material (stainless or titanium), downpipe choice, ceramic coating, and remote selection.

Are downpipes available, and will they increase horsepower?

Yes. Race Downpipes (in stainless or titanium) and Sport Downpipes are available as separate options, with an optional gold ceramic coating on the Race downpipe. Fi Exhaust reports an average horsepower increase of 5-10% when running the full system with a downpipe.

Description

Additional Info

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BP PRICING DIFFERENCE

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Description

Fi Exhaust Valvetronic Exhaust System for W205 Mercedes-AMG C 63 / S

Fi Exhaust W205 C63 system is a direct bolt-on valvetronic exhaust for the Mercedes-AMG W205 C 63 and C 63 S, available in T304 stainless steel or ultra-lightweight titanium. The titanium version cuts approximately 46% of the weight versus stainless while holding a strong strength-to-weight ratio; every component, including the valves, clamps, and screws, is made from titanium, and 1.6mm-thick pipe walls, polished inside and out, improve sound quality, durability, and airflow. A full setup, including a valvetronic catback and ultra-high-flow downpipe, can boost horsepower by approximately 5-10%. With the valves closed, exhaust gases route through the muffler for a refined and comfortable drive, while fully open valves produce an intense and exotic soundtrack.

Valve

Fi Exhaust systems universally incorporate valvetronic technology, enabling precise sound control while boosting vehicle performance. Prior to this innovation, achieving both high torque at low RPMs and greater horsepower at high RPMs was challenging. Valvetronic technology resolves this contradiction, allowing sports cars to excel in both areas and delivering a balanced yet dynamic exhaust performance.

Fi Exhaust Pro Control System

The Fi Exhaust Pro Control System includes an intelligent control box, a two-button remote, and a mobile app. The app prevents check engine lights, monitors valve status, and enables Auto Mode based on RPM, speed, or boost. The remote allows precise valve control, with a customizable aluminum or forged carbon design.

Features

Valvetronic technology for precise sound control
Available in high-grade T304 stainless steel or titanium
Titanium version is approximately 46% lighter than stainless
Increases horsepower by 5-10% when run with the complete system
Retains OEM valve settings, or available with the optional Fi Pro App Remote
Race and Sport downpipes available as separate options, including a titanium Race downpipe, with optional gold ceramic coating

What’s Included

Front pipe
Mid X-pipe
Valvetronic muffler

Applications

Mercedes-AMG C 63: W205 | 2014-2021 | 4.0L Twin-Turbo V8
Mercedes-AMG C 63 S: W205 | 2014-2021 | 4.0L Twin-Turbo V8

Notes

The Fi Pro App Remote is not compatible with the OEM electric valve

Frequently Asked Questions

What vehicles does the Fi Exhaust W205 C63 system fit? It’s built for the Mercedes-AMG W205 C 63 and C 63 S, 2014-2021, both with the 4.0L twin-turbo V8.
What’s the difference between the stainless and titanium versions? Every component, including the valves, clamps, and screws, is crafted from titanium on that version, cutting approximately 46% of the weight versus stainless while holding the same strength and sound quality.
Can I use the Fi Pro App Remote with the factory electric valve? No. The Fi Pro App Remote is not compatible with the OEM electric valve; you’ll need to choose one or the other when configuring your system.
How much does this exhaust cost? Pricing ranges from $3,300 to $7,800 depending on material (stainless or titanium), downpipe choice, ceramic coating, and remote selection.
Are downpipes available, and will they increase horsepower? Yes. Race Downpipes (in stainless or titanium) and Sport Downpipes are available as separate options, with an optional gold ceramic coating on the Race downpipe. Fi Exhaust reports an average horsepower increase of 5-10% when running the full system with a downpipe.

About Fi Exhaust

Fi Exhaust is a premier aftermarket automotive exhaust brand specializing in high-performance systems for supercars, sports cars, and luxury vehicles. Serving renowned marques such as Lamborghini, Ferrari, McLaren, Porsche, Mercedes-AMG, BMW M, Audi, and Nissan, Fi Exhaust is dedicated to delivering superior sound and performance. The brand’s research and development team consistently engineers exhaust systems designed to perform flawlessly under all conditions, catering to enthusiasts who demand both exceptional sound and optimized performance. Each exhaust system is meticulously crafted to produce a distinctive tone, ranging from deep bass to an exotic, high-pitched, motorsport-inspired sound tailored to each vehicle model. Every system undergoes extensive testing and precise sound tuning to achieve peak performance and integrate seamlessly with the intelligent control system.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Fi EXHAUST Valvetronic Exhaust System for W205 Mercedes-AMG C 63 / S

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Fi Exhaust Valvetronic Exhaust System for W205 Mercedes-AMG C 63 / S

Valve

Fi Exhaust Pro Control System

Features

What’s Included

Applications

Notes

Frequently Asked Questions

About Fi Exhaust

Reviews