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Featured Products

   AMG 63 long tube headers (SL)
MERCEDES R230 SL 63 AMG V8 '08-UP. Description: 100% Stainless steel complete system 2 x GSP Price:
$3999.00

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  GOODSPEED Package one- AMG55 call 480-747-6150
AMG 55 software and supercharger crank pully kit. Includes the 5.5L Kompressor crank pulley kit. Kit Includes: 172mm Crank Pulley Version 2 Water Pump Pulley New Supercharger Belt OEM Crank Bolt stock = 493 HP @ 6100 RPM; 516 LB-FT @ 2650-4800 RPM performance = 538 HP @ 5900 RPM; 566 LB-FT @ 2650-4500 RPM Fuel dependent. GSP Price:
$3995.00

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  Quaife ATB Differential - SL55/600/63/65 call 480-747-6150
The Quaife ATB Differentials The Quaife Automatic Torque Biasing (ATB) differential enables your car to accelerate quicker and corner faster. In drag-race style, straight-line acceleration runs. This results in a close to ideal 50/50 power split to both drive wheels, resulting in essentially twice the grip of an ordinary differential. In cornering, while accelerating out of a turn, the Quaife biases power to the outside wheel, reducing inside-wheel spin. This allows the driver to begin accelerating earlier, exiting the corner at a higher speed. The Quaife also controls loss of traction when the front wheels are on slippery surfaces such as ice and snow or mud, providing the appropria...GSP Price:
$1495.00

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  GOODSPEED SL 550 stage1 ECU flash and filters
Unbelievable power and torque, without any sacrifice. Ecu timing, air fuel and throttle maps are all tuned to optimal levels while remaining safe. Under peak torque, the OEM air filter creates a loss of optimal flow (restriction at high CFM loads). The BMC air filter set allows optimal breathability for maximum torque. The combination has been dyno proven, to make over 400hp and 400 Ft-Tq, on premium 93 Oct, and more on custom race fuel configurations. the filters are serviceable high flow filters for years of performance use. stage one includes Goodspeed custom tune flash one set of BMC air filtersGSP Price:
$1395.00

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