Popular Products
Braking
Our brake upgrade kit includes:
14.2” two piece rear rotors
4 piston rear brake calipers
Rear stainless steel brake lines
Rear high performanc...
$4,995.00
Our performance brake package 4 is the ultimate upgrade for your braking system, allowing for maximum stopping power and improved safety.
Our upgrade in...
$7,995.00
Need new rings for your Girodisc 2pc rotors? We got them. Rings come complete with all new hardware and full instructions for re-assembly; but if you choose you...
$700.00
Need new rings for your Girodisc 2pc rotors? We got them. Rings come complete with all new hardware and full instructions for re-assembly; but if you choose you...
$800.00
The Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The disc will bolt directly to the car and work with OE calipers pe...
$1,200.00
The Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The disc will bolt directly to the car and work with OE calipers pe...
$1,200.00
Drivetrain
The Weistec 722.9 Transmission Pan provides improvement to the performance of the 7 speed 722.9 transmission in a few ways. Primarily is the increased flu...
$599.99
$509.99
While slippage in the torque converter is important under acceleration, this slippage becomes a liability once cruising speed is achieved. The lock-up clutch co...
$1,395.00
The Weistec Engineering 722.9 Bulletproof Build Package is a complete set of parts needed for building the 7 speed 722.9 transmission. The most important ...
$3,649.99
$3,102.49
Simply explained, a differential is the last point between the engine and the wheels where power is transferred. The differential functions as a system to direc...
$4,480.00
The Weistec Engineering 722.9 Bulletproof Build Package is a complete set of parts needed for building the 7 speed 722.9 transmission. The most important ...
$3,599.99
$3,059.99
Simply explained, a differential is the last point between the engine and the wheels where power is transferred. The differential functions as a system to direc...
$3,580.00
Engine
Weistec M157 / M278 spark plugs are designed and manufactured for not only high power applications but also factory replacement. The factory iridium plugs do no...
$274.99
$233.74
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
These Weistec filters are compatible with the 5.5 Biturbo and the 4.7 Biturbo (M157 and M278 engines). When analyzing the factory airbox and flow characteristic...
$245.00
$208.25
Weistec Engineering is proud to introduce the trunk mounted water tank upgrade for all M156 Supercharged, and M113 Supercharged vehicles. The use of this water ...
$999.99
$849.99
Our forged pistons and billet 4340 rods add a great degree of strength and resilience to the M156 engine. The pistons benefit from an improved wrist pin design ...
$5,499.99
$4,674.99
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 ...
$549.99
$467.49
Exhaust
Weistec Engineering offers Downpipes for M275 AMG powered vehicles. Replacing the small and restrictive factory downpipes delivers gains in power, throttle resp...
$4,999.99
$4,249.99
The biggest restriction to making high power with the M156 engine is the limited flow of the factory exhaust manifolds. Whether you want to make as much power a...
$4,495.00
$3,820.75
RENNtech stainless steel (SS) sport mufflers are hand made and rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound that kee...
$2,680.00
Our performance down pipes replace the restrictive stock exhaust with high flow, 200 cell sport catalytics for improved performance, reduced back pressure, grea...
$4,940.00
Our performance down pipes replace the restrictive stock exhaust with high flow, 200 cell sport catalytics for improved performance, reduced back pressure, grea...
$4,780.00
RENNtech stainless steel (SS) sport mufflers are hand made and rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound that kee...
$2,995.00
Exterior
Offering aggressive styling and functional performance; our fully adjustable DTM style rear wing is designed to be mounted to the OEM trunk lid and improves rea...
$3,350.00
Offering aggressive styling and functional performance; our fully adjustable DTM style rear wing is designed to work in conjunction with our carbon fiber rear d...
$3,900.00
RENNtech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz CL-class. This highly integrated prepreg carbon fiber spoiler ...
$1,680.00
RENNtech is proud to introduce this sporty yet elegant rear deck lid spoiler for the S-Class.
The rear spoiler integrates seamlessly into the rear of the veh...
$1,680.00
Our full carbon fiber rear spoiler for the 218 CLS is the proverbial “cherry on top” and a stunning addition to the rear of the CLS exteri...
$1,480.00
RENNtech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz E-class. This highly integrated pre-preg carbon fiber spoiler ...
$1,480.00
Suspension
The RENNtech V3 Digital Lowering Module (DLM) is designed to work with all available Mercedes Airmatic or ABC (Hydraulic) Suspensions.The unit allows the user t...
$1,395.00
The KW V3 coilovers offer a track worthy package for the street with its dual dampening technology. The separate and independently adjustable reb...
$3,000.49
$2,850.47
This is the second generation of the RENNtech G-Wagon performance shock system. As any G-Wagon owner knows, the vehicle is an incredible off-road machine, but s...
$4,880.00
Includes $200 in KMD Tuning Gift Card
The KW V3 coilovers offer a track worthy package for the street with its dual dampening technology. The ...
$2,422.49
$2,301.37
Electronic lowering modules for a more attractive vehicle appearance and increased driving dynamics - to be used with KW App for iPhone, iPod touch and iPad&nbs...
$1,699.99
$1,614.99
Includes $100 in KMD Tuning Gift Card
This KW V1 is the ideal system for customers wishing to rely on the experience of KW’s engineers to set the dampe...
$1,580.99
$1,501.94