


Turbosmart Kompact Plumb Back Valve (Diverter Valve) Suit 34mm Fittings
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Turbosmart Kompact Plumb Back Valve (Diverter Valve) Suit 34mm FittingsFull recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be noticed but wanting the performance and reliability benefits of a quality BOV. APPLICATION: Fits most cars using the factory BOSCH or DENSO bypass valves. Suits: Most cars using the factory BOSCH or DENSO bypass valves, also Mitsubishi Evo, Colt Lancer Ralliart, and the 3000GT GTO, as well as the Subaru
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Your Turbosmart Kompact Plumb Back Valve (Diverter Valve) Suit 34mm Fittings orders ship within 1-2 business days.
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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.
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4.8 ★★★★★
Based on 2336 reviews
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Product Reviews
★★★★★ 5
Decent product!
Color: Camouflage, Color: Camouflage
Just put it on today. Put my phone and wallet in the top pockets. Took a ride up through the back of my property and didn't lose anything. Can't complain but time will tell. You guy's are lucky I didn't give you 1 star for the annoying reminders of a review before I used the product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
★★★★★ 5
Solidly Built
Solidly built. Easy install. Haven't used them on the trail yet but if they work like they look I don't expect any issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
★★★★★ 5
Good storage for your ATV four wheeler.
Works great. Fits on my 2023 Canam 850 Outlander. I needed a storage compartment where I could put a few tools, gloves, flashlight and straps to seccure my cargo when not in use. It is well built and attaches firmly to the back of my front wheel well body molding. It does not interfer with my driving or leg movement. The only down side when you unzip the lid it doesn't fold back easily but it still excessable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2025
★★★★★ 1
MEH. Not worth $40
Meh. Not sure about durability for 39.99. Seems a bit steep for what showed up at my door, hence the one star.
Opening the top is clumsy and can barely open if mounted against something flat. The cheap strap setup might work in a specific ATV application, but don't buy this bag (especially for 40 bucks) if you plan to try it in any other way. The chintzy sticky velcro pads plus dumb strap and buckle design pretty much rules out clicking the bottom and top straps together for a tidy wrap-around installation.
This should've been a $20 item at most.
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Reviewed in the United States on June 10, 2025
★★★★★ 5
Fantastic 😍
Fantastic storage, bought 2.
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Reviewed in the United States on October 22, 2025
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