2013-2016 Porsche GT3 991.1 Tune
Performance Tunes for the 2013-2016 Porsche GT3
Your car has pedigree. Unleash the power of your 991.1 GT3 with our tunes!
Gain 10-30 WHP with our simple flash tuning!
This tune REQUIRES the use of a Shinji Tuned flash device.
Existing customers who already have this item in their possession may choose the option to exclude the purchase of another device.
New Customers should select the "Add Flash Device". Once a tune and device are purchased, the flash device will be shipped to your mailing address. Upon receiving the device, please save a back up copy of your ECU's ROM and email it to us as an attachment, please include your order number, name, car make and model in both the file name and email title.
Once the file is received, we will send you the tuned file within 48 working hours, then simply flash the tune to your car and enjoy your newly unlocked power!