BenzUnited Parts
Log Style Shorty Headers for Mercedes M113K / M113 V8 (Bolt-On)
Log Style Shorty Headers for Mercedes M113K / M113 V8 (Bolt-On)
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Log Style Shorty Headers for M113K & M113 AMG – Emissions-Friendly Power
These performance headers for the Mercedes M113 and M113K offer the perfect middle ground for owners who want improved throttle response and stronger low-end torque without removing catalytic converters or triggering a check engine light. Designed for enthusiasts who want the gains of an exhaust upgrade without going fully catless.
Perfect for: Drivers of CLK500, E500, or E55 AMG who want a cleaner bolt-on solution that respects emissions components but still wakes the car up — especially when paired with a custom ECU tune.
Get 25% off your M113/M113K custom ECU tune when purchased with these headers. Bundle now and maximize performance.
📩 Request Bundle Pricing
⚙️ Key Benefits
- Improved Low-End Torque: Makes your 500 feel closer to an NA 55
- No CEL: Won’t trigger any check engine lights
- OEM Cat Compatible: Retains stock catalytic converters
- 304 Stainless Steel: Welded for strength, built to last
- Leak-Free Flange: Thick .38" construction
- Complete Kit: Includes gaskets and studs
🛠 Installation Notes
- Direct bolt-on fitment to factory mid-pipes and cats
- No cutting, welding, or special tools required
- Professional install recommended for best results
❓ Frequently Asked Questions
- Will these trigger a CEL? No, these are designed to retain factory O2 sensor placement and will not cause a check engine light.
- Do I have to delete my catalytic converters? No. These work with the OEM catalytic converters in place.
- Will I gain power without tuning? Yes — but we recommend tuning for maximum gains and optimized air/fuel ratios.
- Will these fit my E-Class or CLS? Yes, these fit W211 and W219 chassis with the M113 or M113K engines.
⭐ What Customers Are Saying
“Throttle response is insane now. No CEL, just more torque everywhere. Installed in 2 hours.” – Alex R., Florida
📘 Learn how this fits into a full exhaust strategy →
💎 Why BenzUnited?
- 🧠 Mercedes-Benz performance experts with deep platform knowledge
- 📦 Fast shipping, complete kits, and responsive support
- 🔩 Trusted by thousands of performance-focused Mercedes owners worldwide
⚠️ Competition Use Only: This product is not street legal. Use is limited to off-road or sanctioned motorsport events only.

