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A tune is recommended to optimize the performance out of this intake system
Ideal for both aluminum heads to cast iron blocks and aluminum heads to aluminum blocks
Peak Horsepower gain: 25 HP @ 4200 RPM *NOT CARB Compliant* Shipping to California is restricted due to not being CARB compliant
2008-2014 WRX / 2008-2021 STI)
High Temp Performance
Cusco Rear Differential Mount Collar - Subaru WRX/STI 2008-2021 Subaru-Outback-2007 A tune is recommended toWith reducing declination of rear differential mount bush, it will improve response of up shifting and acceleration performance. CUSCO added product on its line up for latest model of Subaru Impreza WRX STI. As motorsports expert, during products developing for GRB Impreza, CUSCO has found that the rear member collar and differential mount collars would give you massive effect and decided to add them on production line up. With this part, you can feel