997 Turbo Cab with Flash and Exhaust runs 11.3 1/4 mile VRTuned.com August 21, 2009 Company News A client of ours who was partaking in the 2009 Gumball 3000 rally had his 997 Turbo cab equipped with a ECU Flash and a Agency Power Exhaust System. 3000 miles straight across the USA and this car still was...