another DIY brake duct
 

cut out the fake ducts up front and plastic-welded in some modified funnels. 2" silicone duct from there, around the radiator to the inside, then out the side to the outboards. i cut the stock brake dust cover and welded on a 2" steel pipe and repainted it. worked out pretty well i think. it could be improved in a few ways... better / more open incoming duct... and a better end piece that blows it more directly on the center instead of right now its slightly off. but it should be better than nothing. cost was a couple bucks for the funnels, 80$ for the silicone ducting, and like ... i donno, 50c for the steel tube maybe? oh and the hose clamps... those must have been at least $1.


https://i.imgur.com/2NGMyra.jpg

https://i.imgur.com/bLA95K4.jpg

https://i.imgur.com/Qgb93Yq.jpg

https://i.imgur.com/stXrv6k.jpg

https://i.imgur.com/AyD7TTs.png

https://i.imgur.com/WORE8ui.jpg

That's pretty neat, interested to see how they perform.

My only gripe is that the plastic vent looks a bit tough, but nothing that 20 minutes and some sandpaper or a file couldnt fix

yeah, i really should have just used a hot knife and done it myself. my brother went to town opening them up with a scalpel. it's not super noticeable in person unless you look for it. once i stop being lazy i'll print some molds and make a new set of the scoops in carbon fiber and make it look nicer. i just have to fix my printer first, which is kinda a pain in the ass.

Very nice man! Where did you buy the hose and stuff?

the silicone duct hose is from amazon. there was only one seller with prime and the hose looked nicer than the others. and then there was like a ton of weird other brands that didn't look as nice. so i paid the premium price of $80. oohhh la, la. I picked up the funnels from harbor freight while i was getting a little belt sander for my brother who started making knives. (guess what he was using to cut the backing off the fake vents? lol) i had the steel tube and other shit laying around.

nice job!

Why not just take of the disk shroud?

If you remove it you have to fabricate something else to attach the outlet from the hose to. The OEM shield is convenient since it's already the right shape/size, and is already drilled to mount behind the hub.

i looked through probably thousands of photos online and i came to the conclusion that it looks better in silver. please excuse my shit welds

https://i.imgur.com/C65RqZY.png

Nice setup man. That hole in the fender liner is already there, right? Any pics of how the hose was routed around the radiator?

No, my point was that if you want to improve heat loss from the disks then why not remove the shrouds?

That doesn't actually help as much as you would think. Vented rotors are cooled much better by directing air into the center and letting it flow out through the vanes.

no you gotta cut the hole but it's pretty easy and they have spots for you to cut out that make it look like its factory. and its not the fender liner, its the one right above the lower control arm. i'll try to grab some pics of the inner routing later today

i'm sure there is plenty of airflow on the surface with or without the shrouds. they have little vents in them as well. the rotor itself with the little vanes inside acts like a pump, when they spin the air around because the rotor is spinning, it pumps air through the center of the rotor. getting positive pressure going into that pump makes the pump vastly more efficient. more pump == more heat go bye bye.