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Turbosmart BOV 38mm WA/HO Alloy
Turbosmart BOV 38mm WA/HO Alloy
Turbosmart BOV 38mm WA/HO Alloy
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Turbosmart BOV 38mm WA/HO Alloy

Marsoni M251S
Sale price$23.39
Pay 4 payments of $5.85 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Turbosmart BOV 38mm WA/HO AlloySKU: TS 0205 3008 UPC: 9329677008401 Turbosmart BOV 38mm WA HO Alloy for 2004 2021 Subaru WRX STI The Turbosmart BOV 38mm WA HO Alloy delivers precise boost control for Subaru WRX STI models from 2004 to 2021 equipped with WA HO alloy compressor housings like VF39 VF48 and VF48D turbos. This direct fit blow off valve offers 50 percent greater internal flow than stock to manage high boost pressures up to 30psi and eliminate compressor surge on street
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  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 2399 reviews
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Product Reviews
A
Verified Purchase
Alan Douglas Charles Cavanaugh II
Massapequa, US
★★★★★ 5
Must have over other filters.
Size: 2" x 10" x 11"
Amazing KN never fails for cabin filter works great in my 2021 Honda Civic hatchback sport touring.Must have for the 10th Gen Civic better air flow in car and cleaner smell easy to wash and reuse.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
M
Verified Purchase
Martha Brown
Omaha, US
★★★★★ 5
Quality
Size: 2" x 10" x 11"
My brother put me onto these filters. Super easy to install. Also bought engine filter. One time expense. A bit pricey but cost covered if you were still buying paper ones in about 3 changes of paper ones. Will definitely pay for themselves. Highly recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
J
Verified Purchase
James G. Low
Pawtucket, US
★★★★★ 5
It works like a champ!!
Size: 2" x 10" x 11"
best darn filter made..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
M
Verified Purchase
mitchell
West Palm Beach, US
★★★★★ 5
Excellent Air Flow
Size: 2" x 10" x 11"
Maximum clean air flow and lifetime use. Best you can buy. Invest 💯
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
B
Verified Purchase
Bob F.
West Palm Beach, US
★★★★★ 4
Does Not Fit
Size: 2" x 10" x 11"
This does not fit the 2024 Accord Sport Hybrid. It is approximately 1/4 inch too wide on each side (1/2 inch total), will not fit in the opening. Car was entered into the system and purchase page says this is correct and will fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 22, 2026

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