WSTN Mercedes Benz C63/C63S AMG 3.5" Catless Downpipes M177 4.0TT V8 (W205)

Want your AMG to sound like a proper V8 should?

WSTN Performance Catless Downpipes for the Mercedes-Benz C63 and C63S AMG (W205, Sedan, Coupe and Wagon) replace the factory catalytic converters with a high-flow, unrestricted setup. Engineered from premium T304 stainless steel and wrapped in an OEM-style thermal shield, these pipes unleash raw turbo sound, reduce spool time, and drop engine bay temps, all while keeping daily drivability intact.

Why Upgrade?

✅ No restrictions – Fully catless for maximum flow and response

✅ Built to handle heat – stainless steel with OEM-style heat shielding

✅ More power, faster spool – Reduces backpressure for better throttle and turbo response

✅ Mandrel-bent piping – Smooth transitions ensure optimal flow and performance

✅ Precision-built – CNC flanges and leak-free fitment

✅ Bolt-on installation – No cutting or welding required

✅ Trusted manufacturing – Made in the same facilities as top global brands

✅ 1-Year Warranty – Peace of mind backed by performance

Fitment & Compatibility

✔️ Mercedes-Benz C63 AMG (W205, M177) — 2015–2020

✔️ Mercedes-Benz C63S AMG (W205, M177) — 2015–2020

(Coupe, Sedan, and Wagon variants)

In the Box

• 1 × WSTN Performance Catless Downpipe Set (Thermal-Wrapped)

• Full Fitting Kit (gaskets and bolts included if permitted)

Installation

🛠 Fitment: Direct bolt-on to M177 engine models

⏱ Time: ~2–3 hours

🔧 Recommendation: Professional install recommended for best alignment and torque specs

Why WSTN Performance?

✅ True T304 stainless steel — no compromises

✅ Heat-managed design with OEM-style thermal shielding

✅ Tuned for both road use and track use

✅ Backed by our no-BS 1-Year Warranty on build quality

Bring Your AMG to Life

Growls when cold. Roars when on boost.

Enjoy the convenience of worldwide shipping on all products.

If upon receiving your product you wish to return it, we offer a 30-day returns policy.

All items must be in new or resalable condition to be eligible for return.

For our in-depth returns information please follow the link below.

"WSTN Performance Shipping And Returns" 

SHIPPING INFORMATION

- We deliver Worldwide

- Most of our products are sent via express methods worldwide (FeDex, DHL, Express Post etc.)

- Full tracking free with every order.

Read more here.

Please note that WSTN Performance recommends installation by trained professionals

We highly recommend having all our products installed by a trained professional who possesses the necessary expertise and utilises the correct tools.

By entrusting the installation to an experienced professional, you can ensure optimal performance and minimise the risk of any potential damage.

WSTN Performance is not liable for any damages caused when installing our products or for potential damages

Your satisfaction and the safety of your vehicle are our top priorities.