981 GT4/Spyder



Video doesn't do it justice you need to hear it in person holy crap does it sound good! I thought my center bypass sounded good but these race headers blows it out of the water in every way. In my opinion these headers are 30% louder than previous setup and the best part zero drone. Listen to the high pitch... read more

Derek, Taiwan
991 GT3RS Race Headers

GT4 Reinforced 3rd Gear

GT4 Reinforced 3rd Gear


Click on a photo to enlarge.

We've been searching for a quality 3rd  gear replacement for the GT4 and found it in Holinger, the manufacturer of gears for Porsche Racing!


A replacement to the weak and poorly designed factory 3rd gear in the GT4.  Synchro dog-rings are splined to the gear - this prevents the ring-detachment failure that has been known to occur in standard GT4 gearboxes (see close-up image below).  Holinger delivers again!

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