Quote:
Originally Posted by 86TOYO2k17
At 100mph+ it’s beyond noticeable the difference.
Take a car with zero aero,
Add only a real functional front splitter. And prepare to hate driving at 100mph+.
Then add a diffuser to the above to rebalance it and prepare to love driving at 100mph+ the feeing is night and day.
From a drag reduction stand point you won’t really feel that. IIRC the drag reduction at 100mph for everything combined was the equivalent to about 10whp or 2.5whp at 50mph, I calculated it out once. Which i guess adds up but 10whp isn’t that noticeable.
From a downforce / reducing lift stand point though, It’s huge. Below 80 you dont really feel it, at 80 you start to feel it by 100 it’s very noticeable and by 120 you couldn’t imagine driving without it.
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I can believe it. When my BRZ was stock I was regularly doing 80-90 mph on my commute on 287 in NJ. On a windy day the car could wander a bit. I put on cheap abs front lip, side skirts and the stock rear diffuser. I can tell you the car felt more planted on those windy days. It made me a believer. Obviously I don’t regularly get to 100+ mph on local roads, but if cheap aero works, I am sure parts engineered and tested work. Since then I have upgraded to a nice Seibon carbon front lip and the verus engineering carbon side skirts. I can say they look so much sweeter, not to sure I see a benefit in feel from the cheaper abs, but the car looks great.
And yes I know butt dyno is not the most accurate, but as a scientist I try to be very skeptical and this one I could feel. Have to admit I did for looks not feel.