RENNtech ECU Upgrade CLK 320 (W208- 225 HP / 241 LB-FT) porsche-cayenne--2017-present--po536--340ps--esr7220361 6 at 2950 rpm 553

6 at 2950 rpm  553

ECU+ Upgrade | 540HP / 705LB-FT | Gains: +66HP / +167LB-FT

731 HP +89 HP 786 LB-FT +66 LB-FT W463 - AMG G 63 R1 Package 731 HP +89 HP 786 LB-FT +66 LB-FT W463 - AMG G 63 R2 Package 741  HP +99 HP 786 LB-FT +66 LB-FT

Note: The RENNtech A1 Aero Package are designed to fit the AMG GT63 (X290 -chassis)

773 HP +92 HP 778 LB-FT +42 LB-FT W/S 213 - AMG E63 R1 Package 793 HP +112 HP 788 LB-FT +52 LB-FT W/S 213 - AMG E63 R2 Package 803 HP +122 HP 818 LB-FT +82 LB-FT W/S 213 - AMG E63 R3 Package 875 HP +194 HP 871 LB-FT +135 LB-FT W/S 213 - AMG E63 R3+ Package 1

RENNtech ECU Upgrade CLK 320 (W208- 225 HP / 241 LB-FT) porsche-cayenne--2017-present--po536--340ps--esr7220361 6 at 2950 rpm 553RENNtech ECU Upgrade for 208 CLK 320, up to 225HP, 241LB FT. Gains: +10HP & 12LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning software