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      08-11-2012, 08:34 PM   #41
Porschefile's Avatar

Drives: E92 M3
Join Date: Jul 2008
Location: Tennessee

iTrader: (7)

Originally Posted by adc View Post
Do you have any pics?
Here are a few. I don't have any of the undertray in detail, but I did it just like Junior did. I have ran the ducts for about 3 months off and on. I take the hoses off when I'm not going to the track and just leave the hole there. It rubs past 1 turn either way. Not an issue on track, but is annoying in city driving. I used them at Barber and VIR and had no issues with pinching or tearing etc. I don't have data on how much they helped cooling, but can't hurt. Probably won't run them with my ST60's now because I doubt I can fade those even without ducts. Everyone that has seen the car thinks they're aftermarket from some tuner or OEM (now that I painted the rivets black anyway ).


2.5" hose 3.5" inlet flanges here for under $8 each

2.5" SCEET hosing from aircraft spruce (bought 8 feet but only needed like 6)

2.5" 2 sided flanges from aircraft spruce

Rivet gun

Total cost was around $120 + 4-5 hours
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