The 3.5-inch CTS Turbo race downpipe is designed for Mercedes-Benz AMG vehicles with the 2.0-litre four-cylinder M133 engine. The factory downpipe restricts exhaust gas flow, especially on vehicles with software upgrades, so this version enables smoother exhaust gas flow.
Stage 2 software is required to prevent the engine warning light from appearing.
Product details
- 3.5-inch T304 stainless steel pipe
- Heat shield in the style of the original design
- 100% TIG-welded, with protection against oxidation inside the pipe
- T304 stainless steel lambda sensor connection
- More pronounced sound even with the original exhaust system, without intrusive resonance
- Direct fitment for easy installation
The product is intended exclusively for 2.0 M133 engines in the A45 AMG, CLA45 AMG and GLA45 AMG models.
Suitable for: Mercedes-Benz A45 Amg I (W176), Mercedes-Benz Cla I (C117), Mercedes-Benz Gla Class I (X156).
Approval
This part has no TÜV certification (ABE, TTG or Teilegutachten).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Mercedes-Benz A45 | — | 2014–2019 | — |
| Mercedes-Benz CLA45 | — | 2014–2019 | — |
| Mercedes-Benz GLA45 | — | 2014–2019 | — |
Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.

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