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The Mercedes X290 - GT 63 (S) AMG 4-Door Coupe comes with the newest engine fully developed by AMG
Stainless Steel Downpipes Fuel System Upgrade and Stage II Turbocharger Upgrade | Gains: +228 HP
450 rpm Note: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory
Gains: +18HP & +17TQ
RENNtech ECU Upgrade X5 E70 (2008-2011- N73N2 35d Steptronic Diesel):
RENNtech Stainless Steel Headers for CLK 55 (C208) mercedes-benz-s-class--221---2007-2013--s-65-amg-esr2920699 The Mercedes X290 - GTRENNtech Stainless Steel Exhaust Headers for M113 55 AMG Engines. Gaines: +15HP & 20TQ RENNTECH stainless steel and ceramic coated exhaust headers offer true bolt on installation, mounting directly to the OE down pipes and all RENNTECH headers are hand built from mandrel bent, seamless tubing and CNC machined stainless flanges. Advanced computer aided design (CAD) and flow analysis software allows RENNTECH headers to deliver substantial gains across
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