High Performance Exhaust Downpipe for Mercedes Benz CLS63 AMG W218 M157 5.5T 2Matic 2013-2017 Twin-turbo SS304

DESCRIPTION

This performance downpipe set is purpose‑built for Mercedes‑Benz CLS63 AMG W218 equipped with M157 5.5T twin‑turbo 2Matic engine, model years 2013‑2017.

Manufactured from heavy‑gauge T304 stainless steel with mandrel bent tubing, it optimizes exhaust gas flow, reduces factory‑generated backpressure and unlocks sharper throttle response together with richer V8 twin‑turbo exhaust tone. Precision TIG welding delivers robust high‑temperature performance for street and spirited driving scenarios. All flanges, mounting brackets and sensor bungs match OEM positioning for straightforward bolt‑on installation with no cutting or vehicle modification required.

VEHICLE FITMENT

• For Mercedes‑Benz CLS63 AMG W218 (Sedan) — 2013‑2017, M157 5.5T Twin‑Turbo 2Matic Engine

KEY FEATURES

• T304 Stainless Steel Heavy‑Duty Build: Thick‑wall T304 stainless steel construction brings outstanding heat resistance, rust‑proof and anti‑oxidation properties to cope with high‑output V8 twin‑turbo working conditions.
• Mandrel Bent High‑Flow Tubing: Smooth mandrel bent pipework minimizes internal flow turbulence, improves exhaust gas evacuation efficiency and enhances power response.
• Precision TIG Argon‑Arc Welding: Professional hand‑TIG welded joints with uniform dense welds, lowering exhaust leakage risk and securing structural stability under repeated thermal cycling.
• OEM‑Identical Mounting Geometry: Flange faces, mounting lugs and sensor threaded ports strictly follow original factory dimensions, perfect alignment with stock rear exhaust system.
  
• Direct Bolt‑On Fitment: Designed for plug‑and‑play installation, no cutting, grinding or custom fabrication needed during fitting work.

TECH SPECIFICATIONS

• Main Material: T304 stainless steel
• Surface Treatment: Raw stainless steel finish
• Welding Process: TIG argon‑arc welding
• Fitment Type: Direct OEM replacement fit
• Sensor Ports: Pre‑drilled O2 sensor bungs
• Engine: M157 5.5T Twin‑Turbo 2Matic
• Chassis Code: W218
• Applicable Years: 2013‑2017
• Body Type: Sedan

WHAT'S IN THE BOX

• 2 x Performance Downpipe Assembly (Left & Right)
• Full Set OEM Matching Installation Clamps & Hardware Kit