Saab 9-4X (2011)


Hirsch - Stage 1 Tune

Upgrade your 9-4X Aero's engine performance to 330hp/345-lb.ft with a Hirsch Performance tune.

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MapTun - Stage 1 Tune

Upgrade your 9-4X Aero's engine performance to 330 hp/347-lb.ft with a Stage 1 tune from MapTun.

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