RENNtech Stage II Turbo Upgrade | M256 | 3.0L I6 Turbo EQ Boost | 540HP/515LB-FT | MY2018+ mercedes-benz-slk-class--171---2004-2010--slk-55-amg-esr5743216

RENNtech Stage II Turbo Upgrade | M256 | 3.0L I6 Turbo EQ Boost | 540HP/515LB-FT | MY2018+ mercedes-benz-slk-class--171---2004-2010--slk-55-amg-esr5743216Includes Turbo Upgrade, and ECU Upgrade. Gains: Up to +104HP +105LB FT RENNtech Stage II Turbo upgrade for the AMG 53 M256 AMG 3. 0L Inline 6 engine. RENNtech has been at the forefront of ECU tuning for over 30 years. Through our experience, countless hours of in house Research & Development, and extensive testing we ensure that all RENNtech Performance upgrades offer incredible performance gains as well as rock solid reliability. The RENNtech Stage

RENNtech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz CLS Coupe

increase initial turbo spooling and enhance sound output

These four-piece side skirts are 100% pre-preg carbon fiber components

6 (HP: 300 | Year: 11 >)

TCU Upgrade

CLASS E COUPE' (C 207) 500 V8 [2 Filters Required] (HP: 388 | Year: 09 > )

621 HP @ 4800 RPM

549wtq @ 3

These splitter is designed to fit the 2018 - 2022 AMG GT and GT S

All hose ends covered by black heatshrink

CLASS S LONG (V 220) 500 V8 [5 gear] [2 Filters Required] (HP: 306 | Year: 98 > 03)

You get to keep the adaptive damping features of your factory shock while improving the spring rate and gaining adjustability