Engine
Intake
The Weistec M133 Air Intake System is designed to remove as much restriction from the intake system as possible, while maintaining the benefits of the factory a...
$349.00
Performance
Our proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or...
$2,450.00
Our proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or...
$1,780.00
We are proud to announce our new high-performance Auxiliary Radiator upgrade for M157/M278/M133. Designed specifically for enthusiasts who demand superior cooli...
$379.99
The engineers at Premier Tuning Group designed and developed a bolt-on turbocharger upgrade for you M133 Powered AMG that is capable of 600+ HP. The heart of th...
$3,899.99
All high performance turbocharged engines require a pressure release system. A major shortcoming of AMG’s potent M133 engine is the lack of a bypass...
$349.00
Water/Methanol injection has been in use for several decades in multiple applications. Originally, it was used to reduce knock while increasing power and perfor...
$1,399.00
* Allow 2-4 weeks for orders to be shipped. Turbochargers are made to order.
Please contact [email protected] to see if a tune is available for t...
$2,199.99
+231hp & +299tq
* Allow 2-3 weeks for orders to be shipped. Turbocharger systems are made to order.
Please contact [email protected] to see if ...
$7,399.00
Software
+ 80 HORSEPOWER, + 183 TORQUE
[ POWER FIGURES REFLECT ECU TUNE PLUS DOWNPIPE | MIDPIPE ]
Weistec's Calibration Department has spent months perf...
$1,199.00
+ 64 HORSEPOWER, + 172 TORQUE
Weistec's Calibration Department has spent months perfecting the ECU Calibration for the M133 in order to offer...
$999.00
Turbocharger
As an integral part of producing high horsepower in your M133 powered AMG, our Motorsport Race Valve provides exceptional sealing against high boost while relea...
$259.99
The original M133 heat shield leaves a lot on the table in terms of function and looks. Many 45 AMG owners complain about high under hood temps, so hot that the...
$349.00