Cowl Induction

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Test Expected Result

Actual Result

Simulated Passing 2 to 5% decrease in time As Expected.
(SEE DETAILS BELOW)

Noise level Minor increase at idle
Noticeable increase at full throttle
Slight increase in noise at 60 mph cruise
As Expected
(ears only used to evaluate)
Can't tell much difference
at all in sound; slightly more
growly at WOT

Water ingress No water ingress
when driving in rain As expected
Airbox dry after 40 minute
drive around town and on freeway
in high wind and heavy rain

WOT Acceleration 4000 rpm to 6250 rpm in third gear, uphill on 7% grade, temp 41F, RH 75%, 29.8 inHg, 300 feet above sea level, two people in car, stock timing, K&N drop-in air filter, times in seconds

Run Stock Intake Cowl Induction

1 9.43 8.67

2 9.40 8.81

3 9.16 8.92

4 9.27 8.99

5 9.19 8.71

Average 9.29 8.82

Decrease in passing time 5.1 %

Test	Expected Result	Actual Result
Simulated Passing	2 to 5% decrease in time	As Expected. (SEE DETAILS BELOW)
Noise level	Minor increase at idle Noticeable increase at full throttle Slight increase in noise at 60 mph cruise	As Expected (ears only used to evaluate) Can't tell much difference at all in sound; slightly more growly at WOT
Water ingress	No water ingress when driving in rain	As expected Airbox dry after 40 minute drive around town and on freeway in high wind and heavy rain

WOT Acceleration 4000 rpm to 6250 rpm in third gear, uphill on 7% grade, temp 41F, RH 75%, 29.8 inHg, 300 feet above sea level, two people in car, stock timing, K&N drop-in air filter, times in seconds
Run	Stock Intake	Cowl Induction
1	9.43	8.67
2	9.40	8.81
3	9.16	8.92
4	9.27	8.99
5	9.19	8.71
Average	9.29	8.82
Decrease in passing time	5.1 %