• M113 5.4L NA shorty headers for Mercedes C55 CLK55 SLK55 AMG
  • Stainless steel M113 shorty headers for the Mercedes E500 and CLS500 naturally aspirated 5.0L V8
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BenzUnited Parts

M113 5.4L NA Shorty Headers – Mercedes C55 CLK55 SLK55 AMG

M113 5.4L NA Shorty Headers – Mercedes C55 CLK55 SLK55 AMG

$575.00 USD
$575.00 USD
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M113 5.4L Naturally Aspirated • OEM-Cat Compatible

Improved throttle response, stronger mid-range torque, and better exhaust flow — while retaining factory catalytic converters and OEM-style O2 sensor placement.

✅ OEM Cat Retained
Designed to work with factory catalytic converters
✅ No CEL Design
OEM-style O2 sensor placement
✅ Complete Kit
Headers, gaskets & mounting hardware

These M113 shorty headers are built for the 5.4L naturally aspirated V8 found in the NA 55 AMG models. By improving exhaust scavenging and reducing restriction, they deliver noticeably sharper throttle response and a stronger mid-range pull without compromising drivability or removing factory catalytic converters.

Ideal for daily-driven C55, CLK55 and SLK55 AMG models looking for a refined, OEM-plus performance upgrade.

Performance Benefits

Improved Mid-Range Torque
Stronger pull in everyday driving
Crisper Throttle Response
Reduced exhaust restriction improves pedal feel
OEM Emissions Friendly
Designed to retain factory emissions equipment
304 Stainless Construction
Thick flanges for long-term sealing

Vehicle Compatibility

  • [CONFIRM YEARS] Mercedes-Benz C55 AMG (W203)
  • [CONFIRM YEARS] Mercedes-Benz CLK55 AMG (W209)
  • [CONFIRM YEARS] Mercedes-Benz SLK55 AMG (R171)

Fitment is chassis-specific. Please confirm before ordering if unsure.

Installation Notes

  • Bolt-on for M113 5.4L naturally aspirated applications
  • Interfaces with factory mid-pipes and catalytic converters
  • No cutting or welding required
  • Professional installation recommended
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