COVID-19 Update: There will be some delays, but we are still working! Orders typically ship in about 1 week from their order date. *Read kit fitment below* After months of R&D we have finally released the world’s first B58 HPFP upgrade! Our Stage 2...

There may be delays with this product. We appreciate your patience and understanding. *Check fitment notes below* Our Stage 2 kit is a bigger, better version of our Stage 1 kit for some of the more extreme applications. This is a complete plug-and-play kit...

There may be some delays with this product. We appreciate your patience and understanding *Check fitment notes below* This is a complete plug-and-play kit to support up to 550whp (this number can vary quite a bit depending on tuning strategy and the blend of...

COVID-19 Update: There will be some delays, but we are still working! Orders typically ship in about 1 week from their order date. *Read kit fitment below* After months of R&D we have finally released the world’s first B58 HPFP upgrade! This is a...

Now that Gen1 B58 tuning software supports true CAN-based Flex Fuel tuning, we are offering our own plug and play ECA solution! With MHD and BM3’s new features, there is no longer much of a need for Bluetooth ethanol sensors. A CAN-based ethanol sensor,...

Genuine SplitSecond AIC1-6 supplemental fuel injector controller with EV6 (USCAR) connectors for use in 6 cylinder applications. This product is designed for close course racing and may never be used on public roads. The AIC1-6 is a laptop programmable additional injector controller. It is programmed with the Split Second R4...

These are the OEM injectors for the BMW M5 (S63 Engine) and the highest flowing injectors of this family from Bosch. In terms of mechanical fitment, they will drop into any S55 and N55 engine that we currently support with our HPFP systems.  We...

The AIC2 additional injector controller is ideally suited to turbo and supercharged engines. It provides additional fuel without changes to the stock injectors or ECU programming. This preserves the characteristics of the stock engine under light load while providing all the necessary fuel in...