Fabspeed Porsche 993 Turbo ECU Software Upgrade (FS.POR.993T.ECUOTP) 1642 or just casually driving

or just casually driving

Direct bolt on billet aluminum end

(1) muffler (Part Number M-PO970R)

our Lightweight Competition Exhaust System allows you topush 375 whp out of your GT4 or 450HP at the crankshaft

Designed for use on closed top air filters only

Fabspeed Porsche 993 Turbo ECU Software Upgrade (FS.POR.993T.ECUOTP) 1642 or just casually drivingPerformance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air fuel ratios, and boost pressure (if applicable). NOTE: ECU upgrades are available for all 993 Turbo models, but you must specify which style of ECU your vehicle requires. Early model 993 Turbo (1995) use an ECU EProm Flash, while the later cars equipped with the "drive block" feature (1996 1997. 5) use an OTP style ECU.