Soloontario

I notice that GM offers a brake duct for C6 cars part # 15829067 for the Left side. Has anyone used this on a C5Z ? Am I better just to rig up something myself from the front air dam?

Personally I find the large OE duct that just dumps air into the wheel well is pretty useless.

I have installed the Quantum ducts but then don't seal into the Z06 duct well and the tubing is too big and gets damaged by any oversize tires. ( I do like the plates that seal the airflow to the hub area of the rotor.)

Last C5

Lot of people have used the C6 Duct extension cut and added to the C5's ducts to vent our brakes. The photo shows about where to cut each to make them mate together.

Soloontario

Thanks for the pics.

It looks like you left the stock duct in place and just cut the end to allow the air to angle towards the inner wheel well but in the pics of the parts, it looks like you cut in a different place.

BTW did you find that larger tires rub the flattened part of the duct?

Is it 3" hose?

Also how well did the ducts work?

Certainly it looks like the seal is much better than I can get with the Quantum set up.

Last C5

ARGGG! You're right I put the tape marker on the wrong side when I measured from the little tabs. Running 295/30/18s on 10.5" wheels I just rub at full lock. But then again 275/40/17s on 9.5" wheels just rubbed on one side at full lock. The ducts work very well and the tubing is 2.5". Obviously 3" would be better but the stock C6 ducts neck down to 2.5 so going back up to 3" with the tubing wouldn't work well.

skyavonee

Thanks for posting. This seems a lot easier than hacking up my car to make the DRM ducts fit.