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larger tube diameters-measuring not 55 but 60 mm-and reduced power-consuming back pressure
The maximum power number reached with the RENNtech ECU Upgrade for the S63 AMG S 4MATIC+ is 740 HP and 806 LB-FT
CLASS S LONG (W 221) 500 [ONLY USA] [2 Filters Required] (HP: 387 | Year: 05 >)
this special package includes the RENNtech T-304 stainless steel (SS) sport mufflers which are 100% hand made in the USA
the AMG GT 55/SL 55 AMG is delivered with 489 HP and 582 TQ
Akrapovic Evolution Line (Titanium) for BMW M3 (E90) 2013 land-rover-range-rover-sport---l320---2009-2013--5-0-supercharged-v8--aj133--esr2912296 larger tube diameters-measuring not 55Akrapovic Evolution Line (Titanium) for BMW M3 (E90) 2013 The Evolution performance exhaust system for the BMW M3 consists of dual outlet mufflers, flow optimized link pipes, and an X pipe that incorporates high flow 100 cpsi sports catalytic convertors and resonators. The power and torque gains of the BMW M3 with the Evolution system are just amazing. A substantial increase is detected over a very wide rpm range, and so it increases responsiveness