Turbosmart BOV 34mm Hose Adapter

Marsoni

M251S

$25.19

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

Turbosmart BOV 34mm Hose AdapterSKU: TS 0205 2009 UPC: 9329677008371 Turbosmart BOV 34mm Hose Adapter Kit for 02 21 Subaru WRX STI Evo This hose adapter kit connects Turbosmart 34mm blow off valves to 19mm, 22mm or 25mm turbo compressor outlet hoses on Subaru WRX STI 2002 2021, Impreza WRX, Forester XT and Mitsubishi Lancer Evolution models. It ensures a secure, leak free seal under high boost pressure for reliable venting performance. Australian made for lasting durability in

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Bonded to services well, completely removed panel reverberation in my tacoma. Also really made the doors so much quieter even when closing. Very happy with the result. Used only one set on my 01 tacoma 4 door. Installed inside doors on exterior skin panel, over interior door panel access holes (sealing the door to provide backpressure to door speakers (left drains open)), roof panel, and back wall of cab. Achieved about 70% coverage and am very happy. 2 8in SKAR SVR8 at 1oh on walmart power acustic 2500 (only rated to ~800rms at 2oh, forum showed testing at 1oh worked about 1kw) in 6th order with blow through into cab. With cab gain, im over 130db between ~30 and ~50hz. This was a necessary addition!

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Reviewed in the United States on April 13, 2026

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Rob Chapman

Fort Morgan, US

★★★★★ 5

Nice and sticky

Works as it should. No complaints.

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Reviewed in the United States on May 8, 2026

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Nick Wilson

Cuba, US

★★★★★ 5

Mak sure area is clean before you install

This works amazing, easy to use, great quality. Sticks down great, I will be ordering more for sure.

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Reviewed in the United States on April 29, 2026

Sam

Waukegan, US

★★★★★ 3

Looks good so far, will update once installed

Have not installed this yet, so this is only a first impression review. I bought it to use in the wheel well area on my truck, so I’ll update later once I actually get it on and see if it makes a real difference. So far it looks good out of the box and seems straightforward enough. One thing I’d recommend is making sure you have a sound deadening roller for install, because I would not try putting this on without one. Too early for me to say how well it works for road noise since it is not installed yet, but I wanted to post my initial thoughts for now and will update later.

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Reviewed in the United States on April 2, 2026

Verified Purchase

Phil Cobb

Phoenix, US

★★★★★ 5

Great product, very impressed

Looks good, adhesive grabs well, forms well to floor pans. Price is great will be ordering more again. It definitely deadened the tin can sound you can get.

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Reviewed in the United States on March 29, 2026