Bolt on competition intercooler upgrade for the Audi RS3, DAZA and pre DAZA engine - this intercooler is capable of supporting 650HP plus, it is bar and plate construction and uses the latest square top vacuum brazed opposite cross section fin design on the frontal area of the core, and the cross section fin design inside the air tract. This intercooler has the lowest pressure drop and highest efficiency range of its kind. For use with stock turbocharger, stages software or a full blown upgraded hardware package like the EFR8474Black series turbocharger https://turbodirect.co.za/store/index.php/shop/turbochargers/12747100017-detail --- this intercooler will compliment your build perfectly and keep those temperatures under control no matter what boost you are tuned for. Use with or without water meth injection