Torco is the best fuel additive you can get. It actually works exactly as advertised unlike those other cheap options in part stores that don't work. I used to run it all the time in my '05 Legacy GT. Car was originally tuned on a full tank of 100 octane. Since that was a very expensive fuel to run daily I decide to run Torco all the time. I add Torco filled up with 93octane and ran the car on the 100octane map and it ran perfectly with 0 knock. I was actually able to get a bit more aggressive with the timing map when I ran it.
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| Top Speed Pro-1 CBE | R2C Back Hex Drop In Filters | CZP Silicon Post-MAF Hoses | UpRev Tuner Ed. | Aodhan AH03 (black) 19x9.5/11 rims +22 offset | TBW Aluminum Under Tray | NISMO Shift Knob |
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