RENNtech SLR Performance Muffler porsche-911--991-1---2011-2016--gt3-esr3707851 and modifying boost mapping for

and modifying boost mapping for turbo-chargers the Mercedes-AMG M256 3

CLASS C (W 204) 280 V6 [2 Filters Required] (HP: 231 | Year: 07 > 09)

TCU Upgrade: TCU upgrade delivers faster acceleration by matching the power output of our ECU and Turbo upgrades with increased Clutch Torque Limits

RENNtech AMG GT63 Side Skirts are a perfect fit to the vehicles OEM bumper

Included in package:

RENNtech SLR Performance Muffler porsche-911--991-1---2011-2016--gt3-esr3707851 and modifying boost mapping forThe SLR McLaren Performance Exhaust consists of RENNtech Stainless Steel Sport Mufflers. Total Gains: +26HP & +33TQ. RENNtech stainless steel (SS) sport mufflers are hand made and rigorously tested to provide maximum performance, dramatically reduce weight and produce an incredible sound. Our freer flowing muffler weighs in at a scant 10 lbs per side in race configuration versus the factory mufflers which weigh in at a hefty 60 lbs per side. That is a