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RENNtech Stainless Steel Downpipes with 200 Cell Sport Catalytic Converters for AMG GT Black Series
RENNtech ECU Upgrade 335i/iX E90/E92/E93 (2007-2010 Manual & Steptronic N54B30)
ECU+ Upgrade | 523HP / 583TQ | Gains: +102 HP / +128 TQ
479 LB-FT @ 1
RENNtech ECU Upgrade for CL 65 (C216- 670 HP / 840 LB-FT) jaguar-f-pace-svr-esr9838905 RENNtech Stainless Steel Downpipes withRENNtech ECU Upgrade for 216 CL 65 AMG. Up to 670HP and 840 LB FT. Gains: +49HP & +102 LB 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
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