HKS
HKS Extension Kit 1418-RN011
The HKS GT Extension Kit increases airflow by replacing the restrictive factory O2 Housing with a Stainless Steel free flowing unit. On certain applications, this replacement O2 Housing will also...
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Create A New AccountThe HKS GT Extension Kit increases airflow by replacing the restrictive factory O2 Housing with a Stainless Steel free flowing unit. On certain applications, this replacement O2 Housing will also include an integrated downpipe for maximum performance.