Cusco Rear Differential Cover Blue Increased Capacity Subaru Impreza WRX STi (R180 End)

Cusco Rear Differential Cover Blue Increased Capacity Subaru Impreza WRX STi (R180 End)

Marsoni

M251S

$447.75

Get it in 3 business days with 1 day shipping. Friday, May 29

Cusco Rear Differential Cover Blue Increased Capacity Subaru Impreza WRX STi (R180 End)SKU: 692 008 AL UPC: 4996338003492 Cusco Rear Differential Cover Blue Increased Capacity Subaru Impreza WRX STI 1996 2021 (R180) This Cusco billet aluminum rear differential cover fits Subaru Impreza WRX STI models with R180 differential. It increases oil capacity to 1. 2 1. 3L for better lubrication and heat management during track days or aggressive driving. Engineered in Japan with heat sink fins and baffling, it protects your LSD and final drive

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I picked this up mainly for the value factor. Getting 360 tablets in one bottle means I don't have to think about reordering for a very long time, which is convenient. The "fast dissolve" claim holds up well. You don't need water to take them; they break down quickly in your mouth without leaving a gritty residue. The berry flavor is decent—since it is naturally sweetened, it doesn't have that harsh chemical aftertaste that some sugar-free brands have, though it is slightly chalky compared to a gummy. The main thing to be aware of is the dosage. 10mg is a heavy dose if you are accustomed to the standard 3mg or 5mg tablets. It definitely works to put you out quickly, but I found that 10mg can be a bit overkill for a standard night. The nice thing about the tablet form (vs. a capsule) is that they are easy to snap in half if you want to taper down to a 5mg dose to avoid feeling groggy the next morning. If you have a high tolerance, this is a great bulk buy, but beginners should probably start with half.

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Reviewed in the United States on December 16, 2025