Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 17 - Jun 22
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Description
Swift Spec-R Lowering Springs for 2017-2020 Honda Civic Si (FC1/FC3)The Swift Spec R Lowering Springs for the 2017 2020 Honda Civic Si (FC1 FC3) give the 10th gen Si a sportier stance and sharper handling that the turbocharged 1. 5L platform is more than capable of using. These FC1 FC3 Civic Si lowering springs deliver an approximate 1. 1" front and 1. 1" rear drop with spring rates of 4. 1 Kg mm front and 5. 7 Kg mm rear, engineered to work with the Si's adaptive dampers. Built in Japan from Swift's proprietary H5S.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 976 reviews
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Product Reviews
★★★★★ 1
Garbage quality
Style: 30 pcs
Absolutely no rigidity/stiffness. Basically just a piece of foam. Not even close to a good quality sound deadening product. Whole box of 30 pieces weighs less then 1 piece of what i usually use. If you want quality sound deadening, do not waste your time and money on this product
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Reviewed in the United States on June 8, 2026
★★★★★ 5
Great adhesive and easy to separate
Style: 30 pcs
The first thing I noticed was the quality of the adhesive. It’s incredibly tacky, which is exactly what you want—once it’s pressed down, it isn't going anywhere.It was easy to trim with a standard pair of scissors. Definitely makes a huge difference in rattles and quality of music inside the cabin. highly recommend and great quality for the money. The back comes off with ease and super easy to cut and place.
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Reviewed in the United States on May 15, 2026
★★★★★ 4
It’s not bad read my review
Style: 30 pcs
It wasn’t too bad as a finisher on top of actual sound deadening. However, be sure you apply it where you want it as it does not come off. If you try to pull it off, it leaves a nasty residue and some of the foam sticks to said residue
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Reviewed in the United States on June 8, 2026
★★★★★ 5
Not top grade
Style: 30 pcs
I didn't have a chance to install although I've would been very excited.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Worth the buy
Style: 30 pcs, Style: 30 pcs
Put in my 1991 f250 super cab and it did the whole bottom and then some. Works spectacularly
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Reviewed in the United States on May 21, 2026
