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...
$800.00
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...
$1,200.00
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
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
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
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
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
RADO manufactures the best downpipes that you can purchase for your car. Our downpipes are made using high quality stainless steel. We use stainless...
$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
Our full carbon fiber front splitter for the E 63 Biturbo is the end result of countless hours of in-house design, engineering and development work. The unique ...
$2,850.00
Suspension
The RENNtech adjustable suspension spring kit lowers your vehicle with the OEM dampers via adjustable spring perches and sport lowering springs on the front and...
$1,050.00
Includes $50 in KMD Tuning Gift Card
W/Airmatic Rear Suspension
The KW Suspension Coilover spring kit is used for lowering the vehicle in combination with...
$869.99
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