R2 Performance Package for SL 65 Black (R230- 810 HP / 1000 LB-FT) ferrari-f430--2004-2009--esr1983839 The RENNtech Sport Muffler System

The RENNtech Sport Muffler System for the C217 - S 65 AMG Coupe comes with an integrated valve system and utilizes the electronic OEM actuators

Entire cartridge is fine balanced as an assembly

This perfectly precision-crafted titanium system increases the power of the Aventador even further

up to 225HP and 240LB-FT

R2 Performance Package for SL 65 Black (R230- 810 HP / 1000 LB-FT) ferrari-f430--2004-2009--esr1983839 The RENNtech Sport Muffler SystemR2 Performance Package for 230 SL 65 AMG. Includes ECU Upgrade, High Efficiency Dual Intercooler Pump and Stainless Steel Sport Muffler. Up to 810HP and 1000LB FT. Gains: +140HP & +262LB FT The R2 performance package is the next step up from our R1 performance package and includes our proprietary ECU tune, our higher efficiency dual intercooler pump kit, proprietary ram air intake and stainless steel performance mufflers for increased, power,