RENNtech | Stainless Steel Sport Mufflers w/Electronic Valves | S63 AMG | W222 | 5.5L BiTurbo V8 | M157 mercedes-benz-s-class-coupe--217---2015-2017--s-550-esr1614210 CLASS S (W 221) 350

CLASS S (W 221) 350 V6 Blue Efficiency (HP: 306 | Year: 11 > )

The lip spoiler features two highly integral stanchions which serve as both the connection to the upper wing element and the location of adjustable carbon fiber struts

RENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band

The end result is nothing short of spectacular with the RENNtech turbo package creating up to 818 hp and 820 lb-ft

628 whp @ 6

RENNtech | Stainless Steel Sport Mufflers w/Electronic Valves | S63 AMG | W222 | 5.5L BiTurbo V8 | M157 mercedes-benz-s-class-coupe--217---2015-2017--s-550-esr1614210 CLASS S (W 221) 350RENNtech Stainless Steel Sport Mufflers w Electronic Valves for the W222 S63 AMG BiTurbo. Gains: up to 10 HP & 15 TQ. RENNtech Sport Mufflers are made out of T 304 stainless steel (SS) and 100% hand crafted in the USA. This exhaust system is rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound that keeps with the character of a luxury performance vehicle. Our mufflers with 2 3 4 inch diameter tubing offer lighter