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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Our mufflers with 2 3/4 inch diameter tubing offer lighter weight than the stock exhaust and improve performance by reducing exhaust back pressure
Sportscars equipped with factory exhaust valves
With the replacement of the stock downpipes we improve performance
Crank Performance Numbers are calculated with a 12% Drivetrain loss on rear wheel drive vehicles
Increased Clutch Torque Limits
RENNtech ECU+ Upgrade | X166 | GLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 aston-martin-vantage-v12--my2017---esr8494055 Our mufflers with 2 3/4ECU+ Upgrade 540HP 705LB FT Gains: +66HP +167LB FT RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be
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