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2001 Subaru Outback, EJ253
540 Posts
Wider and stickier tires, like the 225/45-17s that are on STi's and lightweight rims.

Suspension to help with Traction:
-Upgraded Struts/shocks with stiffer springs or Coilovers
-Anti-lift Kit

Carbon fiber hood
Carbon fiber trunk lid (if available)

Front Splitter (Downforce)

Rear wing (Downforce)

Lightweight Flywheel, ACT Streetlite Flywheel

Clutch, Exedy or ACT

Lightweight Crank pulley and Alternator pulley

Delta Cam Regrind
Port and Polish
High Compression Pistons

ECU reflash or Piggyback Tuning

All that should improve your times, not sure if that is all, but that includes most of the things that I could think of that increases power, traction, and reduces weight.
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