Seibon CW Carbon Fiber Front Lip Subaru WRX / STI 2018-2021 | FL18SBIMP-CW Forester_2019-2021 Alternator Underdrive : 16

Alternator Underdrive : 16

* Configurable for both actuator-style and external wastegate types

Rear down force can be increased further by installing the optional GT wing

Dyno Testing Results (Back-to-Back):

Seibon CW Carbon Fiber Front Lip Subaru WRX / STI 2018-2021 | FL18SBIMP-CW Forester_2019-2021 Alternator Underdrive : 16Part #: FL18SBIMP CW 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