BMW Exhaust Valve/Flap Controller

Marsoni

M251S

$149.00

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

BMW Exhaust Valve/Flap ControllerValvetronic Designs is proud to now offer our exhaust controllers for use with most BMWs. This small plug and play unit connects into the factory wiring harness and allows the driver full control of the exhaust valve whenever they want. For too long enthusiasts have had to pay too much for command of their exhaust. We solve that issue. These controllers connect to the vacuum solenoid in the trunk to provide the driver control over their exhaust flap.

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Quick Dispatch:

Your BMW Exhaust Valve/Flap Controller orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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You'll receive a tracking link by email once your BMW Exhaust Valve/Flap Controller ships.

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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]
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This hoodie is very good quality. I would say it compares to many of the Columbia or Northface type. The only problem that I encountered was that the sleeves are very long, but that might be a me problem because I am pretty short. The hoodie is very lightweight so it can even be worn on semi warm days and really is mostly used as a form of sunblock. I feel like the sizing is very true to size and if anything there’s a little extra room. The price is just right since it’s much less expensive than the big brands and it holds up after being washed several times. It’s very comfortable and breathes very nicely as well.

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Reviewed in the United States on April 27, 2026

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John Hayes

Los Angeles, US

★★★★★ 5

Nice pullover

Color: Brick Heather, Size: Medium

I really like this. Good quality, fits well and stretchy.

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Reviewed in the United States on February 11, 2026

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Michael A.

West Palm Beach, US

★★★★★ 5

Comfortable

Color: Black Grey Heather, Size: 3X-Large

Very nice lightweight solution

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Reviewed in the United States on May 26, 2026

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Los Angeles, US

★★★★★ 4

Much nicer than expected!

Color: Pink Heather, Size: Large

I kept seeing Maelreg stuff recommended to me and the reviews were great so I finally bought something. This is so nice I ordered a few more things! This looks great, fits great and the quality seems top notch. You could easily put a UA or Adidas logo on this and no one would know. The fabric is soft and stretchy and a nice mid to light weight. The only thing that wasn't as good was the zipper. It does stick and seems of lower quality, but it does work. Overall at this price point I am very impressed.

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Reviewed in the United States on January 6, 2025

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Kyle Smith

Bozeman, US

★★★★★ 5

Incredibly thin and comfy

Color: Olive Green Heather, Size: Large

Absolutely perfect combination of thin, soft, hoodie, quarter-zip and pockets. A perfect thin layer to add on top.

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Reviewed in the United States on July 14, 2025