Skip to product information
1 of 12

BenzUnited Parts

2015–2023 Mercedes C43 AMG Catless Downpipes C450 / E43 / E450

2015–2023 Mercedes C43 AMG Catless Downpipes C450 / E43 / E450

Regular price $529.00 USD
Regular price $595.00 USD Sale price $529.00 USD
Sale Sold out
Shipping calculated at checkout.

Catless Downpipes for Mercedes M276 3.0L Bi-Turbo V6
C43 AMG, E43 AMG, C450, C400, E450, E400

⚠️ OFF-ROAD / RACE USE ONLY • Not street legal • Not emissions compliant

Want coated or heat-managed versions?
→ Ceramic-Coated Downpipes    •   → Heat-Shielded Downpipes

What You’ll Actually Feel on the Road

  • Quicker turbo spool & sharper throttle response — reduced backpressure you notice immediately
  • Deeper, richer AMG exhaust tone — aggressive but refined (no rasp or drone)
  • Noticeable mid-range power & better flow — transforms daily driving and track runs
  • Direct bolt-on fitment — C43, C450, C400, E43, E450, E400 (W205 / W213)
  • Premium 304 stainless steel • TIG-welded — built to last with perfect fit

Installation: Direct bolt-on. Professional installation recommended for best results.

✅ 12-Month Structural Warranty
✅ Guaranteed Fitment
✅ U.S.-Based Support
BEST VALUE BUNDLE

M276 Bi-Turbo ECU Calibration

Pair your new downpipes with our custom tune and unlock the full potential.

  • ✓ Optimized boost & torque targets
  • ✓ Refined ignition & fueling strategies
  • ✓ Sharper throttle mapping
  • ✓ Adjustable exhaust burbles & crackles
  • ✓ Eliminates check engine lights from catless downpipes
  • ✓ Retains OEM safety & drivability

Tuning is highly recommended for optimal performance and to prevent fault codes.

⚙️ Full Vehicle Compatibility

Model Years Body Style Chassis
C400 2015 Sedan W205
C450 AMG 2016 Sedan W205
C43 AMG 2017–2023 Sedan / Coupe / Cabriolet W205 / C205 / A205
E400 2016–2017 Sedan / Coupe / Cabriolet W213 / C238 / A238
E450 2017–2020 Sedan / Coupe / Cabriolet W213 / C238 / A238
E43 AMG 2017–2020 Sedan W213

If your model is listed, these bolt on with zero fabrication required.

❓ Frequently Asked Questions

Will this trigger a CEL?
Yes — without ECU calibration. Tuning is highly recommended.

Is tuning required?
Highly recommended for optimal performance, drivability, and to clear fault codes.

Is this street legal?
No. These are off-road and track-use components only.

Is there a warranty?
Yes — full 12-month structural warranty with guaranteed fitment on listed M276 models.

© 2026 BenzUnited Parts — Mercedes-AMG Performance Specialists
View full details