Engine
Stage 1
+136HP +145TQ
Through rigorous testing, on both the street and dyno, the Weistec M177 ECU Upgrade reliably extracts massive gains...
$1,999.00
+ 149 HORSE POWER + 181 TORQUE
The hand built M178 V8 Biturbo engine from AMG is a powerful motor from the factory proving it is very capable on and off the ...
$2,499.00
Stage 1
+166HP, +246TQ
As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU tune for the bi...
$1,899.00
Stage 2
+198HP +163TQ
Through rigorous testing, on both the street and dyno, the Weistec M177 ECU Upgrade reliably extracts massive gains...
$2,199.00
WEISTEC HORSEPOWER
785
WEISTEC TORQUE
852
ENGINE FAMILY
...
$2,699.00
+ 192 HORSE POWER + 287 TORQUE
The hand built M178 V8 Biturbo engine from AMG is a powerful motor from the factory proving it is very capable on and off the ...
$2,699.00