Upgrade from older s300 to the new s300 V3 Model-1-Civic-88-91(EF) • 62mm inducer compressor wheel

• 62mm inducer compressor wheel

If you're unsure if these will work in your application

Additional analog inputs and double the datalogging memory now available with the K-Pro V3

Our design keeps the oxygen sensor as close to the original position as possible to help ensure consistent readings

H22a4 Balance Shaft Eliminator Kit: Click Here for Installation Instructions

Upgrade from older s300 to the new s300 V3 Model-1-Civic-88-91(EF) • 62mm inducer compressor wheelIf you have an older version of Hondata's s300 and would like to Upgrade to the Version 3 all you need to do is fill out this form , Print it and send it to Hondata along with your ECU containing your older S300. We will send Hondata your Purchase order and your S300 will be upgraded to V3. (S300's must be in working order or they will be returned) *PRICE INCLUDES OVERNIGHT RETURN SHIPPING FROM HONDATA Hondata s300V3 Upgrade Form Click Here