The Prokits are supposed to drop around 1.3.. But after they settle, they'll be at around 1.6..
The sportline drops more.. Obviously. They'Re supposed to do 1.8, but will settle at a little more than 2.0..
The Prokits are more comfy, and can run with oem shocks.. But while you're down there, you might as well replace the shocks.
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Catral: I dont have them on my car.. yet.. BUt I've tried them in many Accords.. You'll love them. Its not for nothing that this particular setup is so favored amongst Accord owners.
Congrats on the purchase. You'll truely enjoy them.