Porsche 993 Turbo ECU Software Upgrade Select:Select Year=OTP Flash (1996-1997.5 See Description) A direct bolt-on replacement catalytic

A direct bolt-on replacement catalytic converter for the bulky & restrictive factory catalytic converter that might have failed

When it comes to a high performance vehicle like the 970 Panamera V6

Fits all Porsche 970 Panamera S vehicles (2010-2013)

One piece CNC mandrel-bent primary tubes provide maximum scavenging and flow

and our simplified two-bolt mounting system makes installing easier than ever

Porsche 993 Turbo ECU Software Upgrade Select:Select Year=OTP Flash (1996-1997.5 See Description) A direct bolt-on replacement catalyticPerformance 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.