Fabspeed Porsche 996 GT3 Sport Cat X-Pipe (1999-2005) - FS.POR.996GT3.SCX CSF Supra A90/A91 High-Performance Heat Exchanger We chose high-flow catalytic converters

We chose high-flow catalytic converters of an appropriate size to encourage maximum power gains

For use with or without Engine Appearance Package (ZZ3)

Mounting to the strongest forward most point on the front suspension with a red powder coated finish to provide visibility and easy of access when you need to transport your vehicle

resulting in more horsepower and improved throttle response

and top end HP that you'll feel on the track

Fabspeed Porsche 996 GT3 Sport Cat X-Pipe (1999-2005) - FS.POR.996GT3.SCX CSF Supra A90/A91 High-Performance Heat Exchanger We chose high-flow catalytic convertersIncrease horsepower, torque, and sports car sound by replacing the factory catalytic converters with high flowing 200 cell HJS cats. SOUND: Replacing the factory catalytic converters with high flowing cats and our cast X Pipe will provide a mild increase in volume while also revealing a more defined exhaust note. POWER: We saw curve gains as much as 15 whp with this system thanks to much better flowing 200 cell cats and the knife edged cast X Pipe.