R1 Performance Package | W220 | S 500 | 325 HP / 365 LB-FT | 5.0L NA V8 | M113 audi-rs4--b7---2006-2008--4-2-v8-fsi-esr4648829 Rated by Mercedes-Benz: 577 HP

Rated by Mercedes-Benz:      577 HP @ 5

3 Series COUPE' (E92) 335 i 3

Our SLS Black Series performance package 1 features our proprietary ECU tuning software combined with our long tube headers unbelivable sound with performace to match

CLASS G (W 463) 320 V6 SW LONG [2 Filters Required] (HP: 215 | Year: 00 > 05)

R1 Performance Package | W220 | S 500 | 325 HP / 365 LB-FT | 5.0L NA V8 | M113 audi-rs4--b7---2006-2008--4-2-v8-fsi-esr4648829 Rated by Mercedes-Benz: 577 HPR1 Performance Package for 2220 S 500. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 325HP and 365 LB FT. The R1 performance package for the Mercedes 500 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offers a larger volume of incoming air for better engine breathing and improved cylinder filling. This combination that provides noticeable increases horsepower, torque and throttle