BenzUnited Parts
12-18 Mercedes E63, CLS63, E550, CLS550 Catless Downpipes M157 M278
12-18 Mercedes E63, CLS63, E550, CLS550 Catless Downpipes M157 M278
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Mercedes E63 / CLS63 / E550 / CLS550 Downpipes – M157 / M278 (2012–2018)
Gain up to +100 HP and +140 lb-ft of torque with tuning.
Upgrade your Mercedes E-Class or CLS-Class with high-performance M157/M278 Downpipes & Bridge Pipes. Designed to enhance exhaust flow, reduce back pressure, and unleash a deep, aggressive exhaust tone. Compatible with both AMG 63 and non-AMG 550 4MATIC models.
🔥 Key Benefits:
- Increased Power & Torque: Optimized exhaust flow for maximum performance gains.
- Enhanced Exhaust Note: Deep, race-inspired sound that turns heads.
- Reduced Back Pressure: Improves engine efficiency and fuel economy.
- Lightweight & Durable: High-quality materials for performance & longevity.
- Direct Fit Design: No major modifications required for E63, CLS63, E550, CLS550 (2012-2018).
🔧 Technical Specifications:
- Material: High-grade stainless steel
- Weight Reduction: Approx. 10–15 lbs compared to OEM
- Diameter: 3-inch piping for maximum airflow
- Finish: Brushed or polished (depending on availability)
- Welding: TIG-welded for durability
- Installation Time: ~2–3 hours (professional installation recommended)
📌 Compatibility Chart:
| Year | Model | Engine |
|---|---|---|
| 2012–2018 | Mercedes E63 AMG (RWD / 4MATIC) | M157 |
| 2012–2018 | Mercedes CLS63 AMG (RWD / 4MATIC) | M157 |
| 2012–2018 | Mercedes E550 (RWD / 4MATIC) | M278 |
| 2012–2018 | Mercedes CLS550 (RWD / 4MATIC) | M278 |
❓ Frequently Asked Questions
Q: Will these downpipes work with stock tuning?
A: Yes, but for maximum performance gains, we recommend ECU tuning.
Q: Do these downpipes trigger a check engine light?
A: They may trigger a CEL. A tune or O2 spacers can help mitigate this.
Q: How long does installation take?
A: Approximately 2–3 hours with professional installation recommended.
🏆 Why Choose BenzUnited Parts?
- Mercedes Experts: Specializing in performance parts for Mercedes platforms.
- Quality Assurance: All parts are tested and inspected before shipping.
- Fast Shipping: Orders ship within 1–2 business days.
- Secure Transactions: Your payment is protected with SSL encryption.
- Customer Support: Reach out with any questions—we’re here to help!
⚠️ Important Installation Notice:
🚨 Requires minor modification: Due to tight fitment, some trimming of the engine bracket may be necessary for proper installation.
💡 Recommended: Professional installation for best results.
Looking for more performance upgrades? Check out our Exhaust Systems and ECU Tuning for even more power!
✔ 100% Satisfaction Guarantee | ✔ 1-Year Warranty | ✔ Secure Checkout
🔥 Limited-Time Offer: Get 20% Off Tuning with Downpipes Purchase! 🔥
🚀 Upgrade Now – Limited Stock Available! 🔥