• Stainless steel downpipes set for Mercedes AMG C43 C450 and E43 with M276 engine
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BenzUnited Parts

C43 AMG Stage 2 Bundle | Catless Downpipes + ECU Calibration (W205)

C43 AMG Stage 2 Bundle | Catless Downpipes + ECU Calibration (W205)

$2,000.00 USD
$2,000.00 USD
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Shipping calculated at checkout.
Downpipe Type

Take your W205 C43 AMG to the next level with this complete Stage 2 package. It combines high-flow catless downpipes with our custom remote ECU calibration, delivering strong power gains, sharper throttle response, and a deeper AMG exhaust note while keeping the car refined and reliable for daily driving.

What’s Included

  • ✓ Catless Downpipes in T304 stainless steel (direct bolt-on)
  • ✓ Custom Remote ECU Calibration with full CEL resolution and multi-map support
  • ✓ Premium OBD2 Interface for easy home flashing
  • ✓ Detailed installation guide + dedicated post-tune support

Performance

  • Stage 2 Output: Up to 485 hp / 530 lb-ft on premium pump gas
  • Significantly faster turbo spool and sharper throttle response
  • Deeper, more aggressive AMG exhaust note under load
  • Proven reliability on both street and track use

Watch our Stage 2 C43 go head-to-head with a modified Nissan GT-R:

Choose Your Downpipe Finish

Ceramic Coated
Best heat management. Reduces under-hood temps by 100–200°F and gives a premium finished look.
Heat Shielded
Maximum thermal protection + fastest turbo spool. Ideal for track or hot climate use.
Raw Stainless
Classic raw look with excellent durability. Great value and easy to maintain.

Use the variant selector above to choose your preferred downpipe finish.

Vehicle Compatibility

Model Chassis Years
C43 AMG W205 2015–2021
C400 / C450 W205 2015–2016
E43 AMG W213 2016–2018
E400 / E450 W213 / C238 / A238 2016–2020

Common Questions

  • How does the remote calibration work?
    We guide you through the process step-by-step. You connect the interface and we remotely flash the car (usually under 45 minutes).
  • Will it throw a check engine light?
    No. Our custom calibration is specifically written to eliminate CELs with catless downpipes.
  • Is daily drivability affected?
    No — the car retains its refined character with improved performance and response.
  • Is this street legal?
    No. This package is intended for off-road and competition use only.

12-month warranty • Same-day U.S. shipping • Dedicated post-purchase support

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