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Bilstein B8 2015-2017 Subaru WRX - STI Front Left Monotube Strut Assembly

Marsoni M251S
Sale price$167.50
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Bilstein B8 2015-2017 Subaru WRX - STI Front Left Monotube Strut AssemblyBilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved
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4.5 ★★★★★
Based on 2014 reviews
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Robert
West Palm Beach, US
★★★★★ 5
Fit my Subaru Forester perfectly!
This fit my 2024 Subaru Forester perfectly. The filters exhibited a high quality construction and was packaged well. Installation was easy and saved me a lot of $ vs. having my dealer install an OEM filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2025
J
Verified Purchase
Jeremiah
Birmingham, US
★★★★★ 5
Good Fit
I don’t expect this filter to last as long as the original filter but that’s okay because it is about half the cost. It looks well made. I didn’t see any flaws. I chose this filter because it had some of the fewest complaints regarding the fit and it worked well for my ‘23 Subaru Forester. I may go back to an OEM filter next time but it’s nice to know that this one will work for me.
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Reviewed in the United States on April 30, 2026
J
Verified Purchase
John Appleseed
Boise, US
★★★★★ 5
Fits as advertised
Good item
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Reviewed in the United States on May 11, 2026
J
Verified Purchase
Just Joe
Massapequa, US
★★★★★ 4
Don't spend $50 at the shop, do it yourself.
Filter fits as it should. Good price for what feels line a quality part.
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Reviewed in the United States on January 4, 2026
S
Verified Purchase
Shane605
West Palm Beach, US
★★★★★ 5
DIY
Good price and fit my 2018 subaru crosstrek. Saved money switching it out myself. Super easy to do it yourself
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Reviewed in the United States on February 15, 2026

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