New Arrivals and Package Deals

Contact us via email at sales@jst-performance.com for custom tune and/or dyno tune options! Introducing the Accessport for your 2023-2024 Honda Ci...

WHP Potential on Gasoline: 710 WHP @ 24 MPa WHP Potential on E85: 525 WHP @ 24 MPa Tune requirement: Yes Recommended Tuning Suite: COBB - Focus ST...

Introducing the Clayton Performance stock placement turbo kit for the Focus ST! All of our kits are build per order and build time is approximately...

Introducing the Clayton Performance stock placement turbo kit for the Focus ST! All of our kits are build per order and build time is approximately...

Introducing the Clayton Performance stock placement turbo kit for the Focus ST! All of our kits are build per order and build time is approximately...

Introducing the Clayton Performance stock placement turbo kit for the Focus ST! All of our kits are build per order and build time is approximately...

Introducing the Clayton Performance stock placement turbo kit for the Focus ST! All of our kits are build per order and build time is approximately...

Contact us via email at sales@jst-performance.com for custom tune and/or dyno tune options! Simple ECU flashing with gauge package! The in-cabin m...

WHP Potential on Gasoline: 770 WHP* WHP Potential on E85: 570 WHP* Tune requirement: Yes Recommended Tuning Suite: COBB, HPtuners, SCT Flow Rat...

FREE JSTUNED Decal, JSTUNED Colorblock Decal, Team JST Printed Decal, Team JST Decal, or JSTUNED Keychain with Custom Tune Purchase! Discount will ...

Fits all 2017-2021 Honda Civic Type-R FK8Fits all variant models including RHD, International Models, Etc.Fits factory charge piping or pair with P...

Fits all 2017-2021 Civic Type-R FK8Fits all variant models including RHD, International Models, Etc. OverviewImportant Notes:NO ECU CALIBRATION REQ...

Fits all 2017-2021 Honda Civic Type-R FK8Fits all variant models including RHD, International Models, Etc.Fits Factory Turbocharger Inlet Pipe ONLY...

Fits all 2017-2021 Honda Civic Type-R FK8Fits all variant models including RHD, International Models, Etc.  Important Notes:PAIR WITH PRL HIGH VOLU...

Fits all 2017-2021 Honda Civic Type-R FK8Fits all variant models including RHD, International Models, Etc. Important Notes:NO ECU CALIBRATION REQUI...

Fits all 2017-2021 Honda Civic Type-R FK8Fits all variant models including RHD, International Models, Etc. OverviewImportant Notes:Honda Part Numbe...

Fits all 2017-2021 Civic Type-R FK8Fits all variant models including RHD, International Models, Etc. Important Notes:NO ECU CALIBRATION REQUIRED*IN...

Fits 2017-2025 Honda Civic Type R 2.0T (FK8 and FL5 Chassis')Fits 2024+ Acura Integra Type S 2.0TFits 2016-21 Honda Civic 1.5T Technical Notes:Over...

Fits all 2017-2021 Honda Civic Type-R FK8Fits all variant models including RHD, International Models, Etc.Fits all Factory Fitment TurbochargersOnl...