Reviewed By Stephen P (Raleigh, NC) Reviewed for a 2017 Toyota Land Cruiser —9/22/2018 11:19 AM
Improvement in gas mileage. Modest improvement in sound when you punch it. Don't know about horsepower.
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Reviewed By Brad S (NOVATO, CA) Reviewed for a 1996 Toyota 4Runner —3/2/2020 9:09 PM
It will and should take more time to install correctly. It adds 1 and 1/8 of an inch to the cable length needed. So to install you will need to lengthen the bracket the exact amount of spacer, again this is to do it right! This is the cable mount bracket.FYI. Closer to factory design is always best.