Purchase air to air intercooler 480*230*65 For Petrol Or Diesel Cars
Astra VXR intercooler.
This is a direct replacement with all that's needed including AC location brackets and is a great modification for the VXR engines.
It will improve throttle response massively and give you extra power through the rev range, also keeping charge temps down massively.
Universal Alloy Intercooler Bar & Plate Design (Strongest & Best Performing)
You will get:
Intercooler hard pipes
All hoses needed