Local Dealer rep told me they were fuctional and helps the engine performance.
Find a different sales rep. It is nonfunctional, but I love the look.
GT Premium, 3.73's, Brembo's, HID, Security, Black Leather int. Jon Lund 93 octane Tune, Stainless Works X pipe, GT 500 exhaust, K&N airfilter, Roush Cue Ball shift knob, Roush lower control arms, Nitto NT05's 275/35ZR19's on rear, Nitto NT555 275/35ZR19's up front. Kicker 6X8 speakers, Escort Solo Radar Detector