Porsche 944 Turbo 951 Carrera DME Chip Upgrade (1985-1991) Interior Cast stainless steel valve body

Cast stainless steel valve body with stiffening ribs for ultimate durability and to reject extreme heat

2 headers have primary catalytic converters in teh headers from the factory

The 991 Turbo requires an "adaptation" period that can be fully realized with either a series of hard pulls on the dyno or a series of spirited driving sessions

Get a deep tone and aggressive pops on downshift in sport mode as well as turbo spool sounds

If they reply they did NOT buy HJS catalytic converters from Fabspeed Motorsports USA

Porsche 944 Turbo 951 Carrera DME Chip Upgrade (1985-1991) Interior Cast stainless steel valve bodyPerformance DME chip upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air fuel ratios, and boost pressure (if applicable). Not just another 'one size fits all' performance chip. Hundreds of hours of code revisions and road and dyno testing on over a hundred 944 Turbo's. With a wide matrix of chip programs available to suit a variety of engine performance modifications and owner preferences, the