Welcome to Racing Trenz of Denver! Colorado's automotive performance parts and service specialist.  Performance enhancements and upgrades available for most makes and models of automobiles.  Over twenty years of experience in the aftermarket performance industry. In house tuning using our 2WD/AWD eddy-current Dynomite chassis dyno.

Apexi NEO's # 401-A917 back in stock. Fine tune your air fuel ratios with this piggy-back computer.

HKS SSQV4 blow off valves are here! In stock for Subaru WRX/STI and Mitsubishi Eclipse/Evolution.

Defi Blue, White, and Red Racer gauges in stock and ready to install.

AEM digital & analog wideband air/fuel gauges in stock and ready to install.

Vans bue, orange, red, smoked, and yellow lens paint always in stock. One of Racing Trenz's best sellers. Great for painting tail lights, head lights, fog lights, signal lights, and marker lights.