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The Mercedes X290 - GT 63 (S) AMG 4-Door Coupe comes with the newest engine fully developed by AMG
modifying ignition timing
R172 - SLC 43 AMG
450 rpm Note: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory
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
US$ 549.50
US$ 1339.79