
RENNtech Stainless Steel Downpipes with Catalytic Bypass for 216 - CL & 221 - S 63 AMG Biturbo M157-Series
Gains: +10HP & +20TQ
Our performance down pipes replace the restrictive stock exhaust for improved performance, reduced back pressure, greater exhaust gas volume and better sound.
Combined with RENNTECH's ECU software our downpipes create an incredible sound with performance to match.
Our down pipes mate perfectly with the stock Mercedes-Benz AMG exhaust system and include all necessary mounting hardware and clamps. High-strength 304 stainless steel construction ensures lasting quality and a rich, consistent sound.
- Note: This product will require a RENNtech ECU upgrade to avoid a CEL
Gains:
- + 10 HP & 20 LB-FT
Fittment:
- 216 - CL 63 AMG BiTurbo
- 221 - S 63 AMG BiTurbo


