The Mercedes GT-S is the second Mercedes-Benz vehicle fully developed by AMG, the company’s Affalterbach based performance division and long fabled engine builder. The resulting vehicle is nothing short of spectacular and the 4.0L V8 BiTurbo engine within is an incredible platform to build performance upon. RENNtech company founder, Hartmut Feyhl, is no stranger to AMG performance – having worked at their Headquarters in Germany for over 10 years and served as North American Technical Director for AMG before he branched out on his own. Feyhl and the team at RENNtech took to the challenge of making one of AMG’s best even better by developing a new tuning suite specifically for the GT-S within their R-Performance tuning line.
RENNtech’s GT-S R-Performance line begins on the software side, having developed an original engine management tune which increases performance across the entire RPM range. The R1 package couples the tuning software with performance air-filters and high flow, 200 cell sport catalytic down pipes, increasing performance by an additional 75 hp and 125 Lb/Ft over stock.
Taking performance to the next level, RENNtech shifted their focus to the twin turbos on AMG’s 4.0L V8 BiTurbo engine. Countless hours of development and real world testing were performed at both, the US and German Headquarters. This includes several test sessions on the world’s most demanding race circuit, the Nürburgring-Nordschleife. The result lead to a set of upgraded turbochargers featuring lightweight billet compressor wheels and larger impellers. RENNtech’s performance turbochargers bring race track proven performance to the streets, without sacrificing any reliability or daily driver comfort.
Ensuring all the power from RENNtech’s performance upgrades is transmitted to the road, RENNtech developed a suspension kit which allows full ride height adjustability and maximum lowering of 1.5 inches. Within the RENNtech Super-Light Wheel Series, they developed an all-new 3-piece forged variation, specifically for the GT-S. Their Super-Light Series is available in three distinct designs, the 10-spoke, 10.2-spoke and 15-spoke wheel.
RENNtech’s aerodynamic components unveiled at the 2016 SEMA Show in Las Vegas include full carbon fiber front splitter, side rocker panels, rear diffuser and adjustable DTM-Style Wing. The aerodynamic upgrades give the GT-S’s exterior a seriously aggressive aesthetic, perfectly complementing the performance upgrades. These all-around enhancements transform the GT-S into a true standout, which sets RENNtech’s product line-up above the competition.
RENNtech’ next in-house project objective is to bring the GT-S to over 850HP. For more information on their line of performance products for the GT-S, contact a member of RENNtech’s sales team, visit their website at www.RENNtechmercedes.com or click the button below.
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