Cadillac In-Line Modules

A Cadillac performance in line module will help you wring the most power possible out of today's high-priced fuel by fine-tuning your high-priced engine. These Cadillac inline modules take just moments to install and offer immediate improvements in torque, horsepower and throttle response.

Because they boost your engine performance and your fuel efficiency, AutoAnything's Cadillac in line modules are a good investment. What makes them an even better investment is the fact that each of our Cadillac performance in line modules comes with AutoAnything's 1-year lower price guarantee, meaning that you can acquire this performance-boosting device for the lowest price in town when you purchase it from AutoAnything.