Seems simple enough thanks to the clear instructions. But forgive my ignorance...benefit? Is this just small-change legal weight reduction?

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'88 CRX Si - ITA/PS2 road racer: Handles like it's on jack stands
'98 ITR #0231 - DS autocrosser: Handles like I sold it
'02 Jeep Grand Cherokee - daily driver/tow vehicle: Handles like a jumping castle