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a pair of worm clamps
this particular key came issued with your new Project KICS Lug Nuts
Heat shield prevents idle surge
removing the primary restriction in the 4G63T's post-turbo exhaust path
HKS Cold Air Intake Full Kit - 2015-2021 Subaru STI (VA / 4D EJ257) PDM_air-intake-filter-replacements a pair of worm clampsHKS Cold Air Intake Full Kit 2015 2021 Subaru STI (VA 4D EJ257) Replacing the Factory Intake Restriction HKS intake systems replace the restrictive factory airbox and intake tube with a larger, smoother flow path designed specifically for each engine and turbo configuration. On turbocharged applications the intake feeds the compressor inlet restriction here reduces available air volume and limits the turbocharger's ability to build boost efficiently.
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