Quote:
Originally Posted by gizzardgulpe
I would sure like to get a hold of the hybrid diffuser though. Maybe drop that .29 drag coefficient to .28  |
.29? Do you have a coupe? Sedans are .30 (hybrid is .29) and coupes are .29
Here is the part number for the rear diffuser: 74550-SFY-000 It is called "COVER, RR. (LOWER)" and is part number 22 in this diagram:
Honda Automotive Parts
You would not believe how long it took me to figure out which part it was. The name does not suggest rear diffuser at all, and the diagram shows the underside of the diffuser, so it doesn't really look like that's what it is. Don't bother buying the bolts, they won't work. What you need is two long bolts/screws and two nuts to go onto them. Installation will require you to drill two holes into the spare tire area of the trunk. The sheet metal is way too thin to tap threads in, so you need to use nuts.
Do not get this diffuser because you expect it to pay for itself. (I noticed no improvement in coasting nor stability. However, I have no doubt it vastly reduced bumper parachuting and reduced rear end lift.) Get it because it looks cool, it certainly won't make things worse, and it is relatively cheap ($45).