vendredi 18 novembre 2011

Hirsch Performance upgrade for the Saab 9-4x Aero

The performance upgrade to 330 hp that Hirsch Performance has originally developed for the 9-5 Turbo6 is now also available in a version for installation on the 9-4x Aero. The maximum torque is increased to 430 Nm and is available over a wide rpm band, enchancing driving dynamics even further.

The upgrade is CARB-approved and comes with all nessesary documents. Of course, as with all Hirsch Performance engine upgrades, the Saab factory warranty is completely sustained. Just like with the original calibration for this car, and for all Hirsch Performance upgrades, premium high octane fuel is required to achieve full performance.

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