Popular Products
Braking
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...
$570.00
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
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...
$1,050.00
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...
$1,300.00
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
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
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
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
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
The M157 W.1 Package is provides an excellent starting point for extracting more power from the M157 Biturbo engine. The package consists of our M157 ECU Upgrad...
$3,369.99
The main bolts of the M157 engine are torque to yield bolts, making them one time use bolts. When assembling an M157 engine, new main bolts must be used to ensu...
$799.99
Our forged pistons and billet rods are designed as direct replacement for the OEM pistons and rods. The pistons use a wrist pin that is stronger and of a better...
$7,999.99
Exhaust
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
Weistec Engineering offers True Downpipes for M157 AMG and M278 powered vehicles. Replacing the small and restrictive factory downpipes delivers significant gai...
$4,795.00
RADO manufactures the best downpipes that you can purchase for your car. Our downpipes, flanges and mounting brackets are made using the best qu...
$1,849.00
Weistec Engineering offers True Downpipes for M157 AMG and M278 powered vehicles. Replacing the small and restrictive factory downpipes delivers significant gai...
$5,995.00
RADO manufactures the best street-legal downpipes that you can purchase for your car. Our downpipes are made using high quality stainless steel. We ...
$2,649.00
RENNtech T-304 stainless steel (SS) sport mufflers are hand made and rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound th...
$2,680.00
Exterior
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
This 100% pre-preg carbon fiber tailgate spoiler features an innovative RENNtech design that caps over the existing OEM tailgate spoiler. Most notable des...
$1,640.00
Give your E63 an aggressive makeover with this RENNtech E63 front splitter with integrated air ducts. This unique splitter design not only looks menacing ...
$2,960.00
This RENNtech rear diffuser creates an all new aggressive and functional aesthetic for the rear of the 212 - E63 sedan. The design and engineering teams a...
$3,380.00
Suspension
As an upgraded option we offer our adjustable spring kit in combination with our RENNtech digital suspension lowering module (DLM) in place of the rear adjustab...
$2,350.00
Includes $50 in KMD Tuning Gift Card
The KW Suspension Coilover spring kit is used for lowering the vehicle in combination with the original dampers, even wh...
$832.99