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The HDPE rotomolded air box utilizes the factory air duct
The shift knob is available in two versions: short and long
Analog input 2 (blue wire - can read any 0-5 volt linear output sensor)
Fully forged Tomei 87mm pistons
These gaskets feature durable multi-layer stainless steel construction to provide you with an optimal seal
Injen SP Short Ram Air Intake System - Wrinkle Red - 2018-2021 Subaru STI PDM_aftermarket-mirrors The HDPE rotomolded air boxKEY FEATURES: Direct Fit for: 2018 2021 Subaru WRX STI H4 2. 5L Turbo Dyno Proven Gains: Up to 26 hp and 24 lb ft. of torque Intake Design: Short Ram Air Intake Design Injen's Patented MegaRam (MR) Technology: Ensures substantial power gains while preserving A F ratios No Additional Tuning Required: No check engine lights Mandrel Bent Aluminum Tubing: Utilizes a large 3. 250in mandrel bent 6061 T6 aluminum intake tubing Custom Heat Shield: Comes with
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