• M177 catless downpipes set with integrated heat shielding for Mercedes-AMG E63 and GT 63
  • M177 catless downpipes with heat shielding for Mercedes W213 E63 and X290 AMG GT 63 4-Door
  • M177 catless downpipes Y-section and mid pipes for Mercedes W213 E63 and X290 AMG GT 63 4-Door
  • V-band clamps and hardware included with Heat Shielded Catless Downpipes for E63 E63S W213
  • Heat Shielded Catless Downpipes for Mercedes-AMG E63 E63S W213 M177 – Full Set with Hardware
  • Flange and O2 sensor bung detail on Heat Shielded Catless Downpipes for Mercedes E63 E63S M177
  • M177 catless downpipes mid-pipe sections for Mercedes W213 E63 and X290 AMG GT 63 4-Door
  • Close-up of premium heat shield braiding on Mercedes W213 E63 E63S M177 downpipes
  • Close-up of heat-shielded tubing on M177 catless downpipes for Mercedes W213 E63 and X290 AMG GT 63 4-Door
  • Factory OEM cats removed from Mercedes W213 E63S AMG M177
  • Mercedes-AMG W213 E63S transmission removed during catless downpipe installation
  • W213 E63 AMG bellhousing and flywheel exposed with turbo outlets visible
  • Installed catless downpipes on Mercedes-AMG M177 with correct O2 sensor orientation
  • W213 E63 AMG mid-pipe section showing bracket support and V-band clamp connection
  • Close-up of V-band clamp securing stainless catless downpipe on W213 E63 AMG
  • Mercedes-AMG M177 4.0L V8 engine bay showing factory twin-turbo layout, used for custom ECU tuning on W213 E63 and E63S models
  • Rear three-quarter view of Mercedes-AMG E63 W213, commonly paired with ECU tuning, downpipes, and cooling upgrades for the M177 V8
  • Mercedes-AMG E63S W213 performance sedan representing custom ECU tuning for the M177 twin-turbo V8 platform
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BenzUnited Parts

M177 Catless Downpipes - Heat Shielded 304 Stainless for AMG GT 63 & E63

M177 Catless Downpipes - Heat Shielded 304 Stainless for AMG GT 63 & E63

$749.00 USD
$999.00 USD $749.00 USD
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Precision-engineered 304 stainless steel catless downpipes with integrated heat shielding for the M177 BiTurbo V8. Designed for dramatically improved exhaust flow, faster turbo spool, sharper throttle response, and a deeper, richer exhaust note.

Key Features & Benefits

  • Reduced exhaust backpressure → faster turbo spool and sharper throttle response
  • Integrated high-temperature thermal shielding to protect surrounding components
  • Back-purged TIG welds and precision-machined flanges for perfect fit and leak-free performance
  • Bolt-on design with V-band clamps — installs in 2–3 hours
  • Heavy-wall 304 stainless steel construction built to last

Compatibility

Chassis Years Models
X290 2019–2023 AMG GT 63 4-Door Coupe
X290 2019–2023 AMG GT 63 S 4-Door Coupe
W213 2017–2023 E63 AMG S
W213 2016–2020 E63 AMG

W213 E63s with Tune + BenzUnited Parts Downpipes

 

W213 E63s with BenzUnited Parts Downpipes Only (Stock Tune)

Frequently Asked Questions

Do these require a tune?

They deliver noticeable gains on stock cars. A tune is highly recommended for maximum performance.

Are they catless?

Yes — fully catless. Intended for off-road, track, and racing use only.

Will they fit my exact vehicle?

Direct bolt-on fitment for all listed M177-powered models above.

How long does installation take?

Professional shops typically complete the install in 2–3 hours.

BenzUnited Parts • Premium M177 Downpipes • Ships Fast

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