Haltech NEXUS Ti4L Transmission Interface Kit HF8-4F61 a ring that runs around

a ring that runs around the circumference of the wheel lip and is CNC Machined with our signature Turbo Vanes

(Creates a smooth transition from your 3" downpipe to your OEM midpipe)

This cover mounts securely in place of your plastic factory covers and its asymmetric design compliments the BRZ/FR-S engine bay nicely

This filter is built to endure the most extreme conditions

Haltech NEXUS Ti4L Transmission Interface Kit HF8-4F61 a ring that runs aroundHaltech NEXUS Ti4L Transmission Interface Kit The Ti4L unit allows easy control for GM's popular 4L series of automatic transmissions. Designed as an expansion module for the NEXUS ECU and VCU range the Ti4L will be programmed via our NSP software, or Rebel LS users will be able to follow the simple set up wizard in the Haltech Connect App. Easy set up is not the only feature! We've also developed smart long term learning strategies via closed loop