This manufacturer has a policy which prevents shipment to California for applications of this product that are not CARB Compliant / Exempt. Therefore,...
Comes with all necessary hardware for installation, including your specific 2018 Audi S5 wiring harness. Features Bluetooth technology. Drive-By-Wi...
This is the new and improved Black Edition version of this product! Comes with all necessary hardware for installation, including your 2018 Audi S5 sp...
Buddy Club's new Secu Timer is the very first turbo timer with a security feature. It has all the normal functions of a standard turbo timer, but adds...
Water / methanol injection is designed to allow higher boost and more advanced timing on forced induction 2018 Audi S5s, to get significantly more pow...
AEM Wideband UEGO AFR Gauges are among the best UEGO gauges on the market, and a MUST for customers who need accurate AFR (Air/Fuel Ratio) data. If yo...
This new Version 3 Racing Spec Condenser not only has a cleaner looking design, but performs better as well! Utilizing the latest racing technology...
This is new & simple 10th Generation HKS Tubo Timer! All our HKS Turbo Timers include harnesses, so you do not need to wire anything yourself, except ...
If you live outside the United States, we cannot ship this product to you. This is because we are a USA Hondata dealer, and we can only sell to USA cu...
If you live outside the United States, we cannot ship this product to you. This is because we are a USA Hondata dealer, and we can only sell to USA cu...
Have a turbo 2018 Audi S5 and need a sensor that is capable of accurately reading your boost level for use with your tuning solution? Or, do you have ...