BenzUnited Parts
Mercedes W213 E63 AMG E63S Downpipes – M177 Catless Performance Exhaust
Mercedes W213 E63 AMG E63S Downpipes – M177 Catless Performance Exhaust
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🔊 Real Exhaust Sound
⚙️ Key Benefits
- +120 HP / +150 lb-ft with ECU tune
- Quicker spool & reduced lag
- Lower EGTs from reduced backpressure
- OEM-fit bolt-on with stock hardware
- No drone — refined cruise, aggressive WOT
🔧 Compatible Models
- 2017+ Mercedes-AMG E63 (W213)
- 2017+ Mercedes-AMG E63S (W213)
📊 Specifications
- Material: 304 Stainless Steel
- Welds: Back-purged TIG
- Flanges: CNC-machined
- Design: Mandrel-bent, OEM-compatible
- Connections: V-band where appropriate — single-clamp speed, repeatable alignment, and leak-resistant radial seal (great for heat cycles & future service)
🧰 Installation Gallery
- Lift car & safely support transmission
- Remove undertrays & loosen crossmember
- Unplug O₂ sensors, remove factory pipes
- Fit catless pipes; verify O₂ routing & V-band seating
- Torque, reassemble, leak check
Time: ~4–6 hours with a lift. Pro install recommended.
🧩 Recommended Add-Ons
💎 Why BenzUnited
- Mercedes-focused: OEM+ & AMG performance specialists
- Proven materials: built for heat & spirited use
- Enthusiast support: platform-savvy help when you need it
💬 FAQ
Will this trigger a CEL? Yes, unless spaced or tuned out.
Do I need a tune? Not required, recommended for full gains & no CEL.
⚠️ Important Notice
For Off-Road Use Only: Not legal for public roads; closed-course competition use only.
