I have a Harding performance cooler. With these cars the induced lag of the intercooler is basically nil because with the dsg, the ecu sends the ignition cut signal to retard spark, that's the dsg 'fart' everyone talks about. This is good because it means there is no lag between gear changes because the intake butterfly doesn't close on accelerative gear changes so the blower and turbo don't have to rebuild boost pressure in the intercooler. The killer thorough with aftermarket is flow. You can whack a HG motorsports fence in the front of your car with a 150% increase in volume but if the thing doesn't match the flow or better still, increase it then it's pointless, your just going to strain the engine so it will just suck hot air through the path of least resistance and that whopping great intercooler is doing squat. This is why I think personally that for this engine the Harding performance cooler is the best. Bigger surface area without restricting radiator surface area, 60% greater volume with 6% greater airflow than stock. The end tanks are fabricated but so what, the performance speaks for itself and besides, they're covered in beautiful TIG welds.
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