BenzUnited Parts

Mercedes E500 & CLS500 AMG Long Tube Headers – M113 Stainless Exhaust

Name: Mercedes E500 & CLS500 AMG Long Tube Headers – M113 Stainless Exhaust
Brand: BenzUnited Parts
Price: 1200.00 USD
Availability: InStock

$1,200.00 USD

~~$1,375.00 USD~~ $1,200.00 USD

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Long Tube Headers for Mercedes E500 & CLS500 AMG (M113 RWD)

Performance Exhaust Upgrade | TIG-Welded 304 Stainless Steel | Dyno-Proven Gains

Transform your M113-powered Mercedes with BenzUnited Long Tube Headers — engineered for maximum power, torque, and sound. Replacing the restrictive factory manifolds, these headers unlock up to 35% more exhaust flow, resulting in sharper throttle response, improved scavenging, and significant top-end gains.

⚙️ Key Features & Specifications

High-Flow Design: 1.9” OD primaries and 2.9” ID collectors maximize exhaust velocity
Dyno Proven: Gains of +25–30whp with ECU tune and supporting mods
Premium Build: SUS-T304 stainless steel, dual TIG welds, and 3/8” CNC flanges
OEM-Grade Fitment: 4 O₂ bungs included for seamless sensor integration
Complete Kit: Includes gaskets and hardware for a leak-free installation
Adaptability: Weld-in midpipes required for non-AMG catback systems

📊 Compatibility Chart

Model	Chassis	Years
Mercedes-Benz E500 AMG (5.0L RWD)	W211	2003–2006
Mercedes-Benz CLS500 AMG (5.0L RWD)	W219	2003–2006

⚠️ For non-AMG catback systems, welding is required to connect included midpipes.

💡 Recommended Upgrades

Pair these headers with our Custom ECU Tune for M113 to maximize horsepower gains and throttle response. Ideal combo for E500 and CLS500 AMG performance builds.