Mercedes-AMG GLC43 X253 Downpipes — Catless, 200-Cell & 400-Cell | M276 3.0L BiTurbo V6 | 2017–2022
YPG Motorsport downpipes for the Mercedes-AMG GLC43 (X253) replace the restrictive factory catalytic converters on the M276 3.0L BiTurbo V6. The GLC43 shares the same M276 engine as the C43 and E43 — and the same tuning potential. Removing the factory cats unlocks faster spool, sharper throttle response, reduced exhaust gas temperatures, and a significantly more aggressive V6 exhaust note.
When paired with a YPG Stage 2 ECU calibration, the GLC43 delivers approximately 440–460 HP and 500–520 lb-ft of torque — a gain of +55–75 HP over the stock 385 HP. The all-wheel-drive system hooks everything, making the GLC43 one of the fastest SUVs in its segment with the full Stage 2 package.
Compatibility
- 2017–2022 Mercedes-AMG GLC43 SUV (X253)
- 2017–2022 Mercedes-AMG GLC43 Coupé (C253)
- M276 3.0L BiTurbo V6 — 385 HP / 520 Nm
Key Specifications
- Material: Low-carbon 304 stainless steel
- Construction: TIG welded, hand finished
- Flanges: CNC-machined 304 stainless — OEM mounting points
- Fitment: Direct OEM replacement — bolt-on, no fabrication
- Origin: Made in Germany
- Warranty: Lifetime
What's Included
- 1× pair stainless steel downpipes (catless, 200-cell, or 400-cell per selection)
- All necessary bolts, gaskets, and clamps
Installation
Professional installation recommended. 2–3 hours with lift access. Stage 2 ECU calibration required for CEL elimination and full gains. YPG offers remote ECU flashing worldwide — OBD2 tool shipped to your door, 30–45 minute guided session, fully reversible.
Related M276 Downpipes
⚠ MOTORSPORT USE ONLY — LEGAL DISCLAIMER
This product is sold for motorsport, off-road, and competition use only. It is not legal for use on vehicles operated on public highways in jurisdictions where emissions equipment removal is prohibited. The buyer assumes full responsibility for compliance with all applicable local, state, and federal laws.
These downpipes are the hardware prerequisite for Stage 2 power. Pair them with the matching ECU tune to extract the full gains.
View Stage 2 Tune →
