RENNtech Stainless Steel Sound and Performance Pipe for CLK 63 (C209) mercedes-benz-gle-class-coupe--292---2016-2020--gle-43-amg-esr8804745 RENNtech ECU Upgrade for 221

RENNtech ECU Upgrade for 221 - S 550

636 LB-FT @ 3

RENNtech ECU HHT (HandHeldTuner) for the 209 - CLK 500

69 HP and 66 LB/FT Torque

While slippage in the torque converter is important under acceleration

RENNtech Stainless Steel Sound and Performance Pipe for CLK 63 (C209) mercedes-benz-gle-class-coupe--292---2016-2020--gle-43-amg-esr8804745 RENNtech ECU Upgrade for 221RENNtech Stainless Steel Exhaust Performance and Sound Pipe for 209 CLK 63 AMG. Gaines: +11HP & 15TQ Our performance and sound pipes bypass the stock Mercedes resonators for more volume and a better sound. Combined with RENNTECH's ECU software and stainless steel headers, the sound pipe produces more power in the mid to high rpm range. High strength 304 stainless steel construction ensures lasting quality and a rich, consistent sound. Gains: + 10 HP &