RENNtech | Stainless Steel Sport Mufflers | S 65 AMG Coupe | C217 | 6.0L BiTurbo V12 | M275 mercedes-benz-clk-class--209---2004-2010--clk-500-esr5978939 ECU+ Upgrade | Up to

ECU+ Upgrade | Up to 669HP / 734TQ | Gains: +65 HP / +55TQ

SL (R230) 350 V6 [2 Filters Required] (HP: 245 | Year: 03 > 06)

though our proprietary tuning software and approach for Bentley is completely unique and independent from our Mercedes tuning program

and to return to factory settings by pressing Button 2

583 LB-FT @ 2

RENNtech | Stainless Steel Sport Mufflers | S 65 AMG Coupe | C217 | 6.0L BiTurbo V12 | M275 mercedes-benz-clk-class--209---2004-2010--clk-500-esr5978939 ECU+ Upgrade | Up toRENNtech Stainless Steel Sport Mufflers w Electronic Valves for the W217 S 65 AMG Coupe 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