RENNtech | RPS 10.2 | 20'' x 9.5'' - 20'' x 12.0'' | SLR McLaren carbon-fiber-airbox The maximum power number reached

The maximum power number reached with the RENNtech ECU Upgrade for the E63 AMG S 4MATIC+ is 773 HP and 778 LB-FT

saving money

Our mufflers offer lighter weight than the stock exhaust and improve performance by reducing exhaust back pressure and improving exhaust gas flow

our carbon air box is able to offer gains up to +10 hp and + 10 lb/ft of torque

0" | Rear: 19" x 10

RENNtech | RPS 10.2 | 20'' x 9.5'' - 20'' x 12.0'' | SLR McLaren carbon-fiber-airbox The maximum power number reachedRENNtech Performance Series Forged Wheels Set of 2 Front and 2 Rear Front: 20" x 9. 5" Rear: 20" x 12. 0" RENNtech PERFORMANCE SERIES The RENNtech brand has featured several highly successful wheel designs throughout its 28+ years in the aftermarket industry. The Performance Series is the culmination of this extensive knowledge, an evolution of its predecessors. After countless hours of design development, we can confidently say that the RPS is a