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Hey guys! Our L15CA Built Shortblock is available for pre-order! We ran our first built L15CA in our TSP FE1 for testing and it's been performing great. It is now available to the public. We do have a block that will be ready in about 4-6 weeks, should anyone be interested.

ATTENTION 2025 Honda Civic Si owners! KTuner has been working hard behind the scenes to make tuning possible for you guys. With Honda’s 2025 updates, the usual tune reflash method needed another step, and KTuner developed the Connectivity Device as the solution. Tuning support is finally here...

Hey guys, We are in need of another FBO 2022+ Si to test a tune for us. The upgrade requirements are as follows: - Intake - Downpipe - Intercooler - Flex Fuel Kit - Clutch - KTuner V2 - Access to 91 octane If you meet these requirements and are interested in street testing, please let us know!