Limitless Motorsports - Looking for Subaru Extra-S? Subaru has discontinued the 5 gallon pails of Extra-S gear oil and has now provided 1 quart bottles of their new High Performance Gear Oil (
Amazon.com: Subaru 75W90 Extra S Gear & Transmission Fluid - 5 quart Bottles Sti Wrx Genuine SOA427V1700 X5 : Automotive