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ECU calibration recommended
considerably lighter than the factory system as well as its stainless steel counterpart
The single conical design enhances valve control and reliability during spirited driving
The Perrin Single Exit Catback Exhaust for the 2022-2026 Subaru WRX is a precision-engineered performance exhaust system designed to unlock your WRX’s full potential
Both configurations include 3
Boomslang Fabrication Plug And Play Harness For Use w/ Emtron SL4 ECU Many Subaru Models w/ Manual Tranmission YMM_2022_2026_Subaru_Crosstrek_GU ECU calibration recommendedBoomslang plug and play adapter harnesses are a pre wired extension that sits between your cars factory ECU and wiring, allowing you to easily connect aftermarket engine management systems, piggyback controllers, or datalogging devices without cutting or splicing factory wires. The Emtron KV units offer full engine control. In some instances, the factory ECU remains in parallel to communicate on the OEM CAN bus or control automatic transmissions.
