Engine
Cooling
Our latest second generation intercooler pump out performs any other unit on the market; flowing over twice as much coolant as the problematic OEM pump and sign...
$1,395.00
Drive Belts
Weistec Engineering will now be offering the same CNC machined aluminum belt idlers that are used with our supercharger systems. The factory Mercedes parts are ...
$649.00
Emissions
Weistec's Oil / Air Separator system is a must have for completely stock vehicles, to those upgraded with the Weistec Supercharger. The separator system vas...
$699.00
Weistec's Oil / Air Separator system is a must have for completely stock vehicles, to those upgraded with the Weistec Supercharger. The separator system vas...
$699.00
Weistec's Oil / Air Separator system is a must have for completely stock vehicles, to those upgraded with the Weistec Supercharger. The separator system vas...
$699.00
Weistec's Oil / Air Separator system is a must have for completely stock vehicles, to those upgraded with the Weistec Supercharger. The separator system vas...
$699.00
Ignition
For those who will be making in excess of 450 WHP, these uniquely designed spark plugs are a must have. Vehicles that are running increased boost levels are str...
$329.00
Intake
Constructed with 100% polyurethane on all four sides, this high flow "oil-free" OE replacement performance filter will outflow stock paper filter for ...
$182.70
Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved hors...
$182.70
Our 82 mm throttle body and carbon fiber airbox upgrade is the perfect combination to maximize your 55's performance.
This combination allows for a great...
$4,640.00
Our proprietary 82mm Performance Throttle body package offers a 22% increase of incoming air volume. This translates into a noticeable gain in both overall perf...
$3,945.00
By optimizing the path and increasing the volume of incoming airflow, our carbon air box is able to offer gains up to +10 hp and + 5 lb/ft of torque, in additio...
$2,460.00
Our latest second generation intercooler pump out performs any other unit on the market; flowing over twice as much coolant as the problematic OEM pump and sign...
$2,980.00
Our latest second generation intercooler pump out performs any other unit on the market; flowing over twice as much coolant as the problematic OEM pump and sign...
$3,480.00
The Weistec M113K High Flow Air Filters are made with our very own high flow element that significantly outflows the factory air filters. The filters are a drop...
$179.00
The Weistec M156 High Flow Air Filters are made with our very own high flow element that significantly outflows the factory air filters. The filters are a drop ...
$199.00
Mechanical
Weistec has exclusively partnered with ARP, the top name in performance engine hardware. Head studs are used to fasten the heads to the block in place of the fa...
$799.00
Performance
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$1,490.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$2,450.00
The R2 performance package for the Mercedes 600 V12 engines is the next step up in performance from our R1 package.
The R2 Performance package includes all t...
$8,940.00
The R1 performance package for the Mercedes 600 V12 engines includes our proprietary ECU upgrade, upgrade in addition to our higher efficiency intercooler pump....
$3,640.00
Performance package R3 is the ultimate upgrade for your Mercedes 55 series AMG Kompressor!
The R3 performance package includes everything found in package R1...
$15,950.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$2,250.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
The R1 performance package includes our proprietary ECU tune and higher efficiency intercooler pump for increased, power, performance and throttle response...
$3,990.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$2,950.00
Performance package R2 takes performance to the next level and is a step up from our R1 tuning package. The R2 performance package includes the same components ...
$7,820.00
The R2 performance package for the Mercedes 600 V12 engines is the next step up in performance from our R1 package.
The R2 Performance package includes all t...
$8,940.00
The R1 performance package for the Mercedes 600 V12 engines includes our proprietary ECU upgrade, TCU (transmission control unit) upgrade in addition to our hig...
$3,640.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$2,950.00
The R1 performance package includes our proprietary ECU tune and higher efficiency intercooler pump for increased, power, performance and throttle response...
$3,990.00
The R3 performance package is the ultimate performance upgrade for your 600 series Mercedes!
Our package 3 includes everything found in our performance packa...
$18,650.00
Our performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +78 HP and +52 TQ over stock.
...
$3,860.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$1,195.00
The R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade whic...
$2,680.00
Performance package R1 includes our proprietary ECU tune and crankshaft pulley in addition to our higher efficiency intercooler pump for increased, power, ...
$4,380.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless...
$10,960.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$1,490.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$1,490.00
The R3 performance package is the ultimate performance upgrade for your 600 series Mercedes!
Our package 3 includes everything found in our performance packa...
$18,650.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$1,490.00
The R1 performance package for the Mercedes 550 includes our proprietary ECU upgrade in addition to our stainless steel shorty headers designed specifically for...
$5,290.00
The R2 performance package is the next step up from our R1 performance package and includes our proprietary ECU tune, our higher efficiency intercooler pump kit...
$13,930.00
The R1 performance package for the Mercedes 550 includes our proprietary ECU upgrade in addition to our stainless steel shorty headers designed specifically for...
$5,290.00
The R3 performance package is the ultimate performance upgrade for your 65 series Mercedes!
Our package 3 includes everything found in our performance packag...
$22,250.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$2,450.00
The R3 performance package is the ultimate performance upgrade for your 65 series Mercedes!
Our package 3 includes everything found in our performance packag...
$22,250.00
The R2 performance package is the next step up from our R1 performance package and includes our proprietary ECU tune, our higher efficiency intercooler pump kit...
$13,930.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$1,490.00
RENNtech performance package 3 is the ultimate upgrade for your 63 AMG!
Our package 3 includes everything found in our performance package 2 plus our transmi...
$15,480.00
RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless...
$10,960.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$1,490.00
Our performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +42 HP and +30 TQ over stock.
...
$3,860.00
The R1 performance package for the Mercedes 550 includes our proprietary ECU upgrade in addition to our stainless steel shorty headers designed specifically for...
$5,290.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$2,250.00
RENNtech performance package 3 is the ultimate upgrade for your 63 AMG!
Our package 3 includes everything found in our performance package 2 plus our stainle...
$22,690.00
RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless...
$10,960.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$2,250.00
Our performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +42 HP and +30 TQ over stock.
...
$3,860.00
Our RENNtech R4 Performance Package features our proprietary ECU upgrade, stainless steel headers, performance sound pipe, 82mm throttle bodies and carbon fiber...
$15,090.00
RENNtech performance package 3 is the ultimate upgrade for your 63 AMG!
Our package 3 includes everything found in our performance package 2 plus our 100% lo...
$19,180.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
The R1 performance package for the Mercedes 550 includes our proprietary ECU upgrade in addition to our stainless steel shorty headers designed specifically for...
$5,290.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$2,950.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$1,490.00
Our performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +31 HP and +30 TQ over stock.
...
$3,860.00
RENNtech performance package 3 is the ultimate upgrade for your 63 AMG!
Our package 3 includes everything found in our performance package 2 plus our stainle...
$22,690.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$1,490.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$2,250.00
RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless...
$10,960.00
Our performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +31 HP and +30 TQ over stock.
...
$3,880.00
RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless...
$10,960.00
The R1 performance package for the Mercedes 550 includes our proprietary ECU upgrade in addition to our stainless steel shorty headers designed specifically for...
$5,290.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$2,250.00
Our performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +31 HP and +30 TQ over stock.
...
$3,860.00
RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless...
$10,960.00
RENNtech performance package 3 is the ultimate upgrade for your 63 AMG!
Our package 3 includes everything found in our performance package 2 plus our stainle...
$22,690.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
Everything was important when developing this system. Its unique design pays homage to the builders at Mercedes AMG allowing clients to install their engin...
$14,999.99
The Weistec Engineering M113K Forged Pistons were designed and manufactured to address the weaknesses of the OEM M113K pistons.
Our 2618-T61 forged pistons f...
$2,599.00
As a leader in tuning and calibration, Weistec Engineering is proud to offer tuning packages for M113K, stock Mercedes Kompressor powered vehicles.
We offer ...
$499.00
+47 WHEEL HORSEPOWER, +32 WHEEL TORQUE
As a leader in tuning and calibration, Weistec Engineering is proud to release tuning packages for the naturally aspir...
$899.00
The Mercedes M275 and M279 Biturbo V12 engines found in the AMG 65 models feature plastic bypass valves that are installed the the compressor covers of each tur...
$799.00
Upgrade your Stage 1 or Stage 2 Weistec Supercharger system to our Stage 3 system with ease. Upgrading is made easy with all the parts needed to convert you to ...
$7,899.00
637 HORSEPOWER, 560 FT-LB OF TORQUE
FOR COMPLETELY STOCK VEHICLES
The Weistec Stage 1 Supercharger System features the all new ultra efficient Weistec dir...
$11,999.00
The M156 Stage 1 to Stage 2 Upgrade is for those looking to upgrade their exhaust and get more power out of their M156 Stage 1 Supercharger equipped vehicle.&nb...
$649.00
672 HORSEPOWER, 662 FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST
The Weistec Stage 2 Supercharger System is specifically designed for vehicles with high flo...
$11,999.00
740+ HORSEPOWER, 630+ FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST, REMOVAL OF SECONDARY AIR INJECTION VALVES, ROW AIRBOXES, AND SPARK PLUGS. BUILT T...
$15,599.00
Software
416 HORSEPOWER, 420 FT-LBS TORQUE
The Weistec M273 ECU upgrade For the naturally aspirated 5.5 liter V8 engine provides substatial gains across the entire po...
$899.00
Supercharger
For customers that currently have our M113K Supercharger system installed using the factory 74mm throttle body, we offer the 82mm Throttle Body Upgrade package....
$539.00
637 HORSEPOWER, 560 FT-LB OF TORQUE
FOR COMPLETELY STOCK VEHICLES
The Weistec Stage 1 Supercharger System features the all new ultra efficient Weistec dir...
$11,999.00
637 HORSEPOWER, 560 FT-LB OF TORQUE
FOR COMPLETELY STOCK VEHICLES
The Weistec Stage 1 Supercharger System features the all new ultra efficient Weistec dir...
$11,999.00
637 HORSEPOWER, 560 FT-LB OF TORQUE
FOR COMPLETELY STOCK VEHICLES
The Weistec Stage 1 Supercharger System features the all new ultra efficient Weistec dir...
$11,999.00
637 HORSEPOWER, 560 FT-LB OF TORQUE
FOR COMPLETELY STOCK VEHICLES
The Weistec Stage 1 Supercharger System features the all new ultra efficient Weistec dir...
$11,999.00
637 HORSEPOWER, 560 FT-LB OF TORQUE
FOR COMPLETELY STOCK VEHICLES
The Weistec Stage 1 Supercharger System features the all new ultra efficient Weistec dir...
$11,999.00
672 HORSEPOWER, 662 FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST
The Weistec Stage 2 Supercharger System is specifically designed for vehicles with high flo...
$11,999.00
672 HORSEPOWER, 662 FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST
The Weistec Stage 2 Supercharger System is specifically designed for vehicles with high flo...
$11,999.00
672 HORSEPOWER, 662 FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST
The Weistec Stage 2 Supercharger System is specifically designed for vehicles with high flo...
$11,999.00
672 HORSEPOWER, 662 FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST
The Weistec Stage 2 Supercharger System is specifically designed for vehicles with high flo...
$11,999.00
672 HORSEPOWER, 662 FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST
The Weistec Stage 2 Supercharger System is specifically designed for vehicles with high flo...
$11,999.00
740+ HORSEPOWER, 630+ FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST, REMOVAL OF SECONDARY AIR INJECTION VALVES, ROW AIRBOXES, AND SPARK PLUGS. BUILT T...
$15,599.00
740+ HORSEPOWER, 630+ FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST, REMOVAL OF SECONDARY AIR INJECTION VALVES, ROW AIRBOXES, AND SPARK PLUGS. BUILT T...
$15,599.00
740+ HORSEPOWER, 630+ FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST, REMOVAL OF SECONDARY AIR INJECTION VALVES, ROW AIRBOXES, AND SPARK PLUGS. BUILT T...
$15,599.00
740+ HORSEPOWER, 630+ FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST, REMOVAL OF SECONDARY AIR INJECTION VALVES, ROW AIRBOXES, AND SPARK PLUGS. BUILT T...
$15,599.00
740+ HORSEPOWER, 630+ FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST, REMOVAL OF SECONDARY AIR INJECTION VALVES, ROW AIRBOXES, AND SPARK PLUGS. BUILT T...
$15,599.00