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The IAG 750 Cylinder Heads are the most popular head specification in IAG's EJ lineup for a reason -- they hit the performance sweet spot for the majority of serious WRX and STI builds
3-way damping adjustment for rebound
The result is a system that sounds intentional rather than arbitrary: louder and more purposeful than stock without the drone that comes from a muffler delete or an inadequately designed resonator section
Cold air intakes are typically one of the more popular first modification you can do to the turbocharged vehicle because for most makes and models
0-50% reduction in shift throw
Remark R1 Spec Single-Exit Stainless Catback Exhaust (Resonated) - 2015-2021 Subaru WRX / STI (VA) Subaru-STI-2013 The IAG 750 Cylinder HeadsRemark 15 21 Subaru WRX STI (VA) R1 Spec Single Exit Stainless Catback Exhaust (Resonated)
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