ridgey seriously ditch the pace. No deflector will help you.
I have nothing infront of my cooler no bumper pure air flow and on sunday was seeing 65+degree chasing the touring cars. The only reason I could keep it that low was due to the water mist jets on the front of cooler. I have a genuine 500 cooler I couldnt fit in time. But this will be best for the value for money factor for my own car. Like you if I could lose £900 in a cooler I would but sadly I cant. A pace 100 quid cooler has way hit its limits.
For a non race car just to abuse on track days it will do.