Rear DiffuserBuilt to Order please select the correct diffuser on the drop down menu Description: This rear diffuser will add a functional aerodynamic improvement for your Porsche. It securely attaches to both the chassis and rear bumper, and adds valuable downforce at speed. Unlike a wing, a diffuser tends to efficiently add significant down force relative to any drag that it may add. Constructed with fiberglass and finished in black jell coat, it can be used as

All new hardware is included with kit

Each kit comes complete with:

Drop link and swaybar sold separately

2 kg less than factory exhaust components (14

000 PSI tensile strength

and will provide the reliability and performance improvement that comes with it

Tarett Engineering has put this kit together to upgrade the springs on your GT4 to 448 front and 560 rear rates

and the main/tender spacer

Double adjustable damping

Longer life

making nitrogen pressure adjustments easy

These pulls have a 2" opening as required by most organized race events and screw directly into the factory bumper pull location