[moneymanager]

The brake cooling hoses (only 2.5") on my early 911 are always a problem...limiting the car's turning radius in tight quarters, getting caught on something, etc. Seeking a solution without routing the hoses thru the trunk, I wonder if the following would work. Bear with me a minute.
The cross-sectional area of a 2.5" hose is (a = pi r squared) about 5 sq inches. Could I run the hose to some point under the car, transition to a square "pipe" 5" x 1", thus getting the right area, then transition back to 2.5" hose? My thought is this would preserve the airflow and open up (2/5" - 1") 1.5" of space in a tight spot. Anyone know if my theory is sound? Or would the transition cause so many strange effects the air wouldn't flow properly? Any thoughts welcome.