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when coupled with our titanium center muffler
and braided stainless-steel brake lines
CLS550 (C218 | PFL MY2012-14 | RWD | M157 | 4
Gains: +40HP & +70 LB-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 W463 - AMG G 63 R3 Package 818 HP +176 HP 820 LB-FT +100 LB-FT
RENNtech Porsche 997 GT3 RS 3.8L ECU Upgrade (462 HP / 332 LB-FT) mercedes-benz-c-class--204-sedan---2008-2014--c-63-amg-esr4188940 when coupled with our titaniumRENNtech Porsche 997 GT3 RS 3. 8L ECU Upgrade. Up to 462HP and 332LB FT. Gains: +12HP & +15LB FT Our proprietary Porsche ECU upgrade offers rock solid performance from RENNtech, the foremost tuning authority on Bosch and Siemens engine control units. These same units are utilized in Mercedes Benz vehicles, which RENNtech has been tuning since electronic engine management started to show up in vehicles during the mid 1980's, though our proprietary
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