Seibon MB Style Carbon Fiber Side Skirts (Pair) Subaru WRX / STI 2015-2021 | SS15SBIMP-MB Vehicle Model_STI This does create additional boost

This does create additional boost however once you set your given boost target it will deliver that number throughout the entire rev range

*** NOTE *** Oil squirter modification needed for Asymmetrical FSR

Part #: 405325

Available in silver or black intercooler with the option of wrinkle black or Rallye Red

Seibon MB Style Carbon Fiber Side Skirts (Pair) Subaru WRX / STI 2015-2021 | SS15SBIMP-MB Vehicle Model_STI This does create additional boostPart #: SS15SBIMP MB If this product is listed as sold out, a pre order typically takes about 8 12 weeks for builld time. THIS BOX IS YELLOW FOR A REASON! READ IT! Due to the size of most Seibon products they must be shipped via Pilot Freight Services. It takes approx 1. 5 2 weeks for Seibon to pack an in stock shipment. All shipments must be inspected prior to accepting the delivery, and in the rare case that they were damaged during transit, we need