![APR Throttle Body Inlet System | 8V RS3 · MK3 TT RS E85 · E86 Z4 30Si 3.0L I6 [N52] IE's performance EA837 ECU calibrations](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/APRThrottleBodyInletSystem8VRS3_MK3TTRS.png?v=1686681076)
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IE's performance EA837 ECU calibrations for the Audi B8/B8
VW Golf ED30
IE Zinc plated girdle plate
5L engines with the electric power steering system
Decreases the reaction time between driver inputs and vehicle response
APR Throttle Body Inlet System | 8V RS3 · MK3 TT RS E85 · E86 Z4 30Si 3.0L I6 [N52] IE's performance EA837 ECU calibrationsThe APR Throttle Body Inlet System is a comprehensive upgrade to the factory charge pipe system from the intercooler outlet to the throttle body. We replace all components and provide a new, larger, free flowing system that flows roughly 34% more than stock! This was achieved by increasing the cross sectional area of the system and by reducing the tight radius bend directly in front of the throttle body. Our system does away with two potential boost
