R2 Performance Package for SLR McLaren (C199- 750 HP / 735 LB/FT) bentley-continental-gtc--2019-present--4-0l-v8-tfsi-esr4309533 CLASS S (W 221) 63

CLASS S (W 221) 63 AMG [2 Filters Required] (HP: 525 | Year: 06 > 10)

377 whp @ 6

The RENNtech Exhaust Valve Module is made in Germany

Fits 176 - A 45 AMG

S560 Maybach

R2 Performance Package for SLR McLaren (C199- 750 HP / 735 LB/FT) bentley-continental-gtc--2019-present--4-0l-v8-tfsi-esr4309533 CLASS S (W 221) 63R2 Performance Package for 199 SLR McLaser. Includes ECU Upgrade, upgraded pulley, Dual Intercooler Pump Kit, Stainless Steel Headers and Sport Mufflers with 200 Cell Catalytic COnverters. Up to 722HP and 715TQ. Gains: +98HP & +140TQ RENNtech SLR package 2 contains our proprietary ECU, pulley, dual intercooler pump upgrade, stainless steel headers and sport catalytic exhaust upgrade for the ultimate in performance and sound. SLR Stock Performance: 626