Popular Products
Engine
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
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
Suspension
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